Species Search Results

4872 Records

Parameters:
  • Group Type: Plants
Scientific Name Common Name
Abies fraseri Fraser fir
Abies guatemalensis Guatemalan Fir (=pinabete)
Abronia alpina Ramshaw Meadows sand-verbena
Abronia ammophila Yellowstone Sand Verbena
Abronia ammophila var. No common name
Abronia ammphila [Unnamed] sand-verbena
Abronia bigelovii [Unnamed] sand-verbena
Abronia macrocarpa Large-fruited sand-verbena
Abronia turbinata [Unnamed] sand-verbena
Abronia umbellata acutalata Rose-purple sand-verbena
Abronia umbellata breviflora Pink sand-verbena
Abutilon eremitopetalum No common name
Abutilon hulseanum Terciopelo
Abutilon menziesii Ko`oloa`ula
Abutilon parishii No common name
Abutilon sandwicense No common name
Abutilon virginianum No common name
Acacia koaia Koai`e
Acaena exigua Liliwai
Acanthomintha ilicifolia San Diego thornmint
Acanthomintha obovata obovata San Benito thornmint
Acanthomintha obovata ssp. duttonii San Mateo thornmint
acarospora clauzadeana No common name
Acer grandidentatum sinuosum [Unnamed] maple
Achnatherum contractum No common name
Achnatherum curvifolium No common name
Achnatherum swallenii No common name
Achyranthes atollensis No common name
Achyranthes mutica No common name
Achyranthes splendens splendens No common name
Achyranthes splendens var. rotundata Round-leaved chaff-flower
Acleisanthes crassifolia Texas trumpets
Acmispon dendroideus var. traskiae (=Lotus d. ssp. traskiae) San Clemente Island lotus (=broom)
Aconitum noveboracense Northern wild monkshood
Actinostachys pennula Curly-grass fern
Adenophorus periens Pendant kihi fern
Adiantum vivesii No common name
Adolphia californica California adolphia
Aerva sericea No common name
Aeschynomene pratensis Meadow joint-vetch
Aeschynomene virginica Sensitive joint-vetch
Agalinis acuta Sandplain gerardia
Agalinis auriculata Auriculate false-foxglove
Agalinis navasotensis Navasota False Foxglove
Agalinis purpurea carteri No common name
Agalinis setacea [Unnamed] false foxglove
Agastache cusickii No common name
Agastache parvifolia Small-leaved agastache
Agave arizonica Arizona agave
Agave eggersiana No common name
Agave glomeruliflora Chisos agave
Agave mckelveyana No common name
Agave murpheyi No common name
Agave parviflora parviflora Santa Cruz striped agave
Agave schottii treleasei No common name
Agave shawii Shaw's agave
Agave sp. Sp. nov. ined. (Tonto Basin) agave
Agave toumeyana bella No common name
Agave utahensis eborispina Ivory-spined agave
Agave utahensis kaibabensis No common name
Agave utahensis nevadensis Clark Mountains agave
Ageratina luciae-brauniae No common name
Ageratina shastensis Shasta eupatorium
Agrimonia incisa Incised groovebur
Agrostis blasdalei blasdalei Blasdale's bentgrass
Agrostis blasdalei marinensis Marin bentgrass
Agrostis clivicola clivicola Coastal bluff bentgrass
Agrostis clivicola punta-reyesensis Point Reyes bentgrass
Agrostis hendersonii Henderson's bentgrass
Agrostis howellii Howell's bentgrass
Agrostis microphylla Awned bentgrass
Agrostis rossiae Ross bentgrass
Alectryon macrococcus Mahoe
Aletes filifolius No common name
Aletes humilis No common name
Aliciella caespitosa Wonderland Alice-flower
Aliciella formosa Beautiful gilia
Allionia cristata No common name
Allium aaseae Aase's onion
Allium constrictum [Unnamed] onion
Allium dictuon Blue Mountain onion
Allium gooddingii Goodding's onion
allium haematochiton Yucaipa onion
Allium hickmanii Hickman's onion
Allium hoffmanii Beegum onion
Allium jepsonii Jepson's onion
Allium madidum [Unnamed] onion
Allium munzii Munz's onion
Allium oxyphilum [Unnamed] onion
Allium passeyi Passey's onion
Allium perdulce sperryi [Unnamed] onion
Allium pleianthum Howell's onion
Allium robinsonii [Unnamed] onion
Allium scilloides [Unnamed] onion
Allium shevockii Spanish needle onion
Allium speculae [Unnamed] onion
Allium tolmiei persimile [Unnamed] onion
Allium tribracteatum Siskiyou onion
Allium tuolumnense Rawhide Hill onion
Allium yosemitense Yosemite onion
Allowissadula holosericea No common name
Alnus maritima Seaside alder
Alopecurus aequalis var. sonomensis Sonoma alopecurus
Alphitonia ponderosa Kauila
Alsophila brooksii No common name
Amaranthus brownii No common name
Amaranthus pumilus Seabeach amaranth
Ambrosia cheiranthifolia South Texas ambrosia
Ambrosia linearis [Unnamed] ambrosia
Ambrosia pumila San Diego ambrosia
Amelanchier nantucketensis [Unnamed] service-berry
Amoreuxia gonzalezii Saiya
Amoreuxia wrightii Wright's yellowshow
Amorpha canescens No common name
Amorpha crenulata Crenulate lead-plant
Amorpha georgiana confusa Carolina lead-plant
Amorpha georgiana georgiana Georgia lead-plant
Amorpha ouachitensis [Unnamed] false indigo
Amorpha roemeriana Texas amorpha
Amphianthus pusillus Little amphianthus
Amsinckia carinata Malheur Valley fiddleneck
Amsinckia grandiflora Large-flowered fiddleneck
Amsinckia vernicosa Green fiddleneck
Amsinckia vernicosa furcata Forked fiddleneck
Amsonia fugatei No common name
Amsonia glaberrima Smooth blue-star
Amsonia grandiflora [Unnamed] blue-star
Amsonia kearneyana Kearney's blue-star
Amsonia ludoviciana Louisiana blue-star
Amsonia palmeri [Unnamed] blue-star
Amsonia peeblesii [Unnamed] blue-star
Amsonia repens [Unnamed] blue-star
Amsonia tabernaemontana gattingeri No common name
Amsonia tharpii Tharp blue-star
anacolia menziesii Menzies' anacolia moss
Andropogon arctatus [Unnamed] beard grass
Anemone edwardsiana edwardsiana [Unnamed] anemone
Anemone edwardsiana petraea Edge Falls anemone
Anemone minima [Unnamed] anemone
Anemone oregana felix [Unnamed] anemone
Angelica callii Call's angelica
Angelica scabrida No common name
Angelica wheeleri No common name
Anisocarpus scabridus Scabrid railardella
Anoda abutiloides False indian-mallow
Antennaria arcuata Meadow pussytoes
Antennaria aromatica No common name
Antennaria soliceps No common name
Antennaria suffrutescens Evergreen everlasting
Antirhea portoricensis Quina
anulocaulis leiosolenus Sticky ringstem
Apacheria chiricahuensis No common name
Aphanisma blitoides Aphanisma
Apios priceana Price's potato-bean
Apocynum X floribundum Jones' dogbane
Aquilegia barnebyi No common name
Aquilegia caerulea daileyae No common name
Aquilegia canadensis australis Canadian, columbine
Aquilegia chrysantha chaplinei [Unnamed] columbine
Aquilegia chrysantha hinckleyana Hinckley's columbine
Aquilegia chrysantha rydbergii [Unnamed] columbine
Aquilegia desertorum No common name
Aquilegia grahamii Graham's Columbine
Aquilegia jonesii Jones' columbine
Aquilegia laramiensis Laramie columbine
Aquilegia longissima Long spur columbine
Aquilegia micrantha mancosana Mancos columbine
Aquilegia saximontana No common name
Arabis aculeolata Waldo rock-cress
Arabis blepharophylla Coast rock-cress
Arabis bodiensis Bodie Hills rock-cress
Arabis breweri austinae Chico Creek rock-cress
Arabis breweri pecuniaria San Bernardino rock-cress
Arabis constancei Constance's rock-cress
Arabis crandallii [Unnamed] rock-cress
Arabis demissa languida Daggett, rock-cress
Arabis demissa russeola Daggett, rock-cress
Arabis dispar [Unnamed] rock-cress
Arabis falcatoria [Unnamed] rock-cress
Arabis falcifructa [Unnamed] rock-cress
Arabis fecunda Sapphire Mt. rock-cress
Arabis fructicosa Fruit rock-cress
Arabis georgiana Georgia rockcress
Arabis gracilipes [Unnamed] rock-cress
Arabis gunnisoniana [Unnamed] rock-cress
Arabis hoffmannii Hoffmann's rock-cress
Arabis johnstonii Johnston's rock-cress
Arabis koehleri koehleri Koehler's rock-cress
Arabis koehleri stipitata [Unnamed] rock-cress
Arabis macdonaldiana McDonald's rock-cress
Arabis mcdonaldiana Preston Peak rock-cress
Arabis missouriensis deamii No common name
Arabis modesta Modest rock-cress
Arabis ophira [Unnamed] rock-cress
Arabis oregana Oregon rock-cress
Arabis oxylobula Schreiber's manzanita
Arabis parishii Parish's rock-cress
Arabis perstellata Braun's rock-cress
Arabis petiolaris [Unnamed] rock-cress
Arabis pygmaea Pygmy rock-cress
Arabis rigidissima demota Galena Creek rock-cress
Arabis serotina Shale barren rock cress
Arabis shockleyi Shockley's rock-cress
Arabis sp. Sp. nov. ined. (Del Norte) rock-cress
Arabis sp. Sp. nov. ined. (Gray Knolls) rock-cress
Arabis suffrutescens horizontalis No common name
Arabis tiehmii Tiehm's rock-cress
Arabis vivariensis Park rock-cress
Arabis williamsii [Unnamed] rock-cress
Arceuthobium apachense No common name
Arctomecon californica [Unnamed] desert-poppy
Arctomecon humilis Dwarf Bear-poppy
Arctomecon merriamii White bear desert-poppy
Arctostaphylos andersonii Santa Cruz manzanita
Arctostaphylos auriculata Mt. Diablo manzanita
Arctostaphylos bakeri bakeri Baker's manzanita
Arctostaphylos catalinae Santa Catalina Island manzanita
Arctostaphylos confertiflora Santa Rosa Island manzanita
Arctostaphylos cruzensis Arroyo de la Cruz manzanita
Arctostaphylos densiflora Vine Hill manzanita
Arctostaphylos edmundsii Little Sur manzanita
Arctostaphylos franciscana Franciscan manzanita
Arctostaphylos gabrielensis San Gabriel manzanita
Arctostaphylos glandulosa ssp. crassifolia Del Mar manzanita
Arctostaphylos glutinosa Schreiber's manzanita
Arctostaphylos hispidula [Unnamed] manzanita
Arctostaphylos hookeri hearstiorum Hearsts' manzanita
Arctostaphylos hookeri montana Tamalpais manzanita
arctostaphylos hookeri ssp. hookeri Hooker's manzanita
Arctostaphylos hookeri var. ravenii Presidio Manzanita
Arctostaphylos imbricata San Bruno Mountain manzanita
Arctostaphylos intricata oblongifolia [Unnamed] manzanita
Arctostaphylos klamathensis Klamath manzanita
Arctostaphylos luciana Santa Lucia manzanita
Arctostaphylos montaraensis Montara manzanita
Arctostaphylos montereyensis Monterrey manzanita
Arctostaphylos morroensis Morro manzanita
Arctostaphylos myrtifolia Ione manzanita
Arctostaphylos nissenana Nissenan manzanita
Arctostaphylos nortensis Del Norte manzanita
Arctostaphylos osoensis Oso manzanita
Arctostaphylos otayensis Otay manzanita
Arctostaphylos pacifica Pacific manzanita
Arctostaphylos pajaroensis Pajaroensis manzanita
Arctostaphylos pallida Pallid manzanita
Arctostaphylos pechoensis Pecho manzanita
Arctostaphylos pilosula pilosula Santa Margarita manzanita
Arctostaphylos pumila Sandmat manzanita
arctostaphylos rainbowensis Rainbow manzanita
Arctostaphylos refugioensis Refugio manzanita
Arctostaphylos rudis Sand mesa manzanita
Arctostaphylos silvicola Bonny Doon manzanita
Arctostaphylos stanfordiana raichei Raiches manzanita
Arctostaphylos tomentosa daciticola Dacite manzanita
Arctostaphylos uva-ursi leobreweri Leo Brewer's manzanita
Arctostaphylos uva-ursi marinensis Point Reyes manzanita
Arctostaphylos uva-ursi monoensis Mono manzanita
Arctostaphylos uva-ursi suborbiculata Kamchatka Point manzanita
Arctostaphylos virgata Marin manzanita
Arenaria alabamensis Alabama sandwort
Arenaria cumberlandensis Cumberland sandwort
Arenaria franklinii thompsonii No common name
Arenaria kingii rosea No common name
Arenaria livermorensis Livermore sandwort
Arenaria macradenia kuschei Forest Camp sandwort
Arenaria paludicola Marsh Sandwort
Arenaria stenomeres No common name
Arenaria ursina Bear Valley sandwort
Argemone arizonica Arizona prickle-poppy
Argemone glauca inermis No common name
Argemone munita robusta Robust prickly-poppy
Argemone pleiacantha ssp. pinnatisecta Sacramento prickly poppy
Argyroxiphium caliginis Eke silversword
Argyroxiphium kauense Mauna Loa (=Ka'u) silversword
Argyroxiphium sandwicense ssp. macrocephalum `Ahinahina
Argyroxiphium sandwicense ssp. sandwicense `Ahinahina
Argyroxiphium virescens Greensword
Argythamnia aphoroides Wild, Hill Country mercury
Argythamnia argyraea Wild, silvery mercury
Argythamnia blodgettii Blodgett's silverbush
Arida arizonica No common name
Arida arizonica Desert tansyaster
arida mattturneri No common name
Aristida chaseae No common name
Aristida floridana [Unnamed] three-awned grass
Aristida portoricensis Pelos del diablo
Aristida simpliciflora Southern three-awned grass
Aristocapsa insignis Indian Valley spineflower
Arnica amplexicaulis piperi No common name
Arnica cordifolia No common name
Arnica lonchophylla No common name
Arnica venosa No common name
Arnica viscosa Shasta arnica
Arnoglossum diversifolium Variable leaf Indian plaintain
Artemisia Sp. nov. ined. artemisia
Artemisia aleutica Aleutian wormwood
Artemisia argilosa Coaltown sagebrush
Artemisia biennis diffusa No common name
Artemisia campestris var. wormskioldii Northern Wormwood
Artemisia cana bolanderi Bolander's sagebrush
Artemisia globularia lutea [Unnamed] wormwood
Artemisia glomerata subglabra [Unnamed] wormwood
Artemisia ludoviciana estesii No common name
artemisia palmeri San Diego sagewort
Artemisia papposa No common name
Artemisia porteri Porter sagebrush
Artemisia senjavinensis Arctic sage
Artemisia unalaskensis aleutica No common name
Arthonia cupressina Golden spruce dots
Arthonia kermesina Hot dots
Arthopyrenia betulicola Old birch spots
Aschisma kansanum Kansas aschisma moss
Asclepias cutleri Cutler milkweed
Asclepias eastwoodiana Eastwood's milkweed
Asclepias meadii Mead's milkweed
Asclepias prostrata [Unnamed] milkweed
Asclepias ruthiae Ruth milkweed
Asclepias sanjuanensis San Juan milkweed
Asclepias uncialis [Unnamed] milkweed
Asclepias viridula [Unnamed] milkweed
Asclepias welshii Welsh's milkweed
Asimina tetramera Four-petal pawpaw
Aspiromitus appalachianus A Hornwort
Asplenium adiantum-nigrum [Unnamed] spleenwort
Asplenium dielerectum Asplenium-leaved diellia
Asplenium dielfalcatum No common name
Asplenium diellaciniatum No common name
Asplenium dielmannii No common name
Asplenium dielpallidum No common name
Asplenium ebenoides Scott's spleenwort
Asplenium heteroresiliens [Unnamed] spleenwort
Asplenium kentuckiense [Unnamed] spleenwort
Asplenium leucostegioides [Unnamed] spleenwort
Asplenium peruvianum var. insulare No common name
Asplenium plenum [Unnamed] spleenwort
Asplenium schizophyllum No common name
Asplenium scolopendrium var. americanum American hart's-tongue fern
Asplenium unisorum No common name
Astelia veratroides gracilis Pa`iniu
Astelia veratroides macrosperma Pa`iniu
Astelia veratroides veratroides Pa`iniu
Astelia waialealae Pa`iniu
Aster chilensis lentus Suisun aster
Aster greatai [Unnamed] aster
Aster kingii barnebyana No common name
Aster kingii kingii [Unnamed] aster
Aster laevis guadalupensis Guadalupe smooth aster
Aster paludicola Western bog aster
Aster sandwicensis Hawaiian aster
Astilbe crenatiloba Roan Mountain false goats beard
Astragalus accumbens [Unnamed] milk-vetch
Astragalus ackermanii [Unnamed] milk-vetch
Astragalus aequalis [Unnamed] milk-vetch
Astragalus agnicidus Humboldt milk-vetch
Astragalus albens Cushenbury milk-vetch
Astragalus altus [Unnamed] milk-vetch
Astragalus alvordensis [Unnamed] milk-vetch
Astragalus amnis-amissi [Unnamed] milk-vetch
Astragalus amphioxys musimonum No common name
Astragalus ampullarioides Shivwits milk-vetch
Astragalus ampullarius Gumbo milk-vetch
Astragalus anisus Gunnison milk-vetch
Astragalus anserinus Goose Creek milkvetch
Astragalus applegatei Applegate's milk-vetch
Astragalus atratus inseptus [Unnamed] milk-vetch
Astragalus barnebyi Barneby milk-vetch
Astragalus barrii [Unnamed] milk-vetch
Astragalus beathii Beath milk-vetch
Astragalus beatleyae Beatley milk-vetch
Astragalus bibullatus Guthrie's (=Pyne's) ground-plum
Astragalus brandegeei [Unnamed] milk-vetch
Astragalus brauntonii Braunton's milk-vetch
Astragalus callithrix Calloway milk-vetch
Astragalus calycosus monophyllidius [Unnamed] milk-vetch
Astragalus camptopus [Unnamed] milk-vetch
Astragalus castetteri Castetter milk-vetch
Astragalus ceramicus apus [Unnamed] milk-vetch
Astragalus chloodes Grass milk-vetch
Astragalus cimae cimae Cima rattleweed
Astragalus cimae sufflatus [Unnamed] milk-vetch
Astragalus clarianus Clara Hunt's milk-vetch
Astragalus cobrensis maguirei Coppermine milk-vetch
Astragalus collinus laurentii No common name
Astragalus columbianus Columbia milk-vetch
Astragalus consobrinus [Unnamed] milk-vetch
Astragalus convallarius finitimus [Unnamed] milk-vetch
Astragalus cottamii Cottam milk-vetch
Astragalus cottonii Cotton's milk-vetch
Astragalus cremnophylax myriorrhaphis Cliff milk-vetch
Astragalus cremnophylax var. cremnophylax Sentry milk-vetch
Astragalus cronquistii Cronquist milk-vetch
Astragalus cusickii var. packardiae Packard's milkvetch
Astragalus deanei Deane's milk-vetch
Astragalus debequaeus Debeque milk-vetch
Astragalus desereticus Deseret milkvetch
Astragalus deterior Cliff-palace milk-vetch
Astragalus detritalis Debris milk-vetch
Astragalus diaphanus diurnus No common name
Astragalus douglasii perstrictus Jacumba milk-vetch
Astragalus drabelliformis [Unnamed] milk-vetch
Astragalus duchesnensis Duchesne milk-vetch
Astragalus ensiformis [Unnamed] milk-vetch
Astragalus equisolensis Horseshoe milk-vetch
Astragalus ertterae Ertter's milk-vetch
Astragalus eurylobus [Unnamed] milk-vetch
Astragalus funereus Black wooly-pod
Astragalus geyeri triquetrus No common name
Astragalus gilmanii [Unnamed] milk-vetch
Astragalus gilviflorus var. purpureus No common name
Astragalus gypsodes Gypsum milk-vetch
Astragalus hamiltonii Hamilton milk-vetch
Astragalus harrisonii [Unnamed] milk-vetch
Astragalus henrimontanensis [Unnamed] milk-vetch
Astragalus holmgreniorum Holmgren milk-vetch
Astragalus hoodianus [Unnamed] milk-vetch
Astragalus howellii [Unnamed] milk-vetch
Astragalus humillimus Mancos milk-vetch
Astragalus hypoxylus Huachuca milk-vetch
Astragalus iodanthus pseudoiodanthus Tonopah milk-vetch
Astragalus iselyi Isely milk-vetch
Astragalus jaegerianus Lane Mountain milk-vetch
Astragalus jejunus articulatus No common name
Astragalus johannis-howellii Long Valley milk-vetch
Astragalus kentrophyta douglasii Thistle, Douglas' milk-vetch
Astragalus kerrii Kerr's milk-vetch
Astragalus knightii [Unnamed] milk-vetch
Astragalus lancearius [Unnamed] milk-vetch
Astragalus lentiformis [Unnamed] milk-vetch
Astragalus lentiginosus ambiguus No common name
Astragalus lentiginosus antonius No common name
Astragalus lentiginosus chartaceus San Pitch Valley milk-vetch
Astragalus lentiginosus latus [Unnamed] milk-vetch
Astragalus lentiginosus maricopae [Unnamed] milk-vetch
Astragalus lentiginosus micans Shining milk-vetch
Astragalus lentiginosus pohlii [Unnamed] milk-vetch
Astragalus lentiginosus scorpionis [Unnamed] milk-vetch
Astragalus lentiginosus sesquimetralis Sodaville milk-vetch
Astragalus lentiginosus sierrae Big Bear milk-vetch
Astragalus lentiginosus ursinus Bear Valley milk-vetch
Astragalus lentiginosus var. coachellae Coachella Valley milk-vetch
Astragalus lentiginosus var. piscinensis Fish Slough milk-vetch
Astragalus leucolobus Bear Valley wooly-pod
Astragalus limnocharis limnocharis No common name
Astragalus limnocharis tabulaeus No common name
Astragalus linifolius Grand Junction milk-vetch
Astragalus loanus [Unnamed] milk-vetch
Astragalus lutosus [Unnamed] milk-vetch
Astragalus magdalenae var. peirsonii Peirson's milk-vetch
Astragalus malacoides Kaiparowits milk-vetch
Astragalus michauxii Sandhills milk-vetch
Astragalus microcymbus Skiff milkvetch
Astragalus minthorniae gracilior [Unnamed] milk-vetch
Astragalus misellus pauper Pauper milk-vetch
Astragalus mohavensis hemigyrus Curve-podded Mojave milk-vetch
Astragalus mollissimus marcidus Withered wooly milk-vetch
Astragalus molybdenus [Unnamed] milk-vetch
Astragalus monoensis monoensis Mono milk-vetch
Astragalus monoensis ravenii Raven's milk-vetch
Astragalus montii Heliotrope milk-vetch
Astragalus monumentalis [Unnamed] milk-vetch
Astragalus mulfordiae Mulford's milk-vetch
Astragalus naturitensis Naturita milk-vetch
Astragalus neglectus [Unnamed] milk-vetch
Astragalus nevinii San Clemente Island milk-vetch
Astragalus nidularius [Unnamed] milk-vetch
Astragalus nutriosensis Nutriosa milk-vetch
Astragalus nyensis [Unnamed] milk-vetch
Astragalus oniciformis [Unnamed] milk-vetch
Astragalus oocalycis [Unnamed] milk-vetch
Astragalus oocarpus Descanso milk-vetch
Astragalus oophorus clokeyanus Clokey's egg-vetch
Astragalus oophorus lavinii Lavin's milk-vetch
Astragalus oophorus lonchocalyx No common name
Astragalus osterhoutii Osterhout milkvetch
Astragalus pachypus jaegeri Jaeger's bush milk-vetch
Astragalus panamintensis [Unnamed] milk-vetch
Astragalus pardalinus [Unnamed] milk-vetch
Astragalus pauperculus [Unnamed] milk-vetch
Astragalus paysonii [Unnamed] milk-vetch
Astragalus peckii [Unnamed] milk-vetch
Astragalus perianus Rydberg milk-vetch
Astragalus phoenix Ash meadows milk-vetch
Astragalus porrectus [Unnamed] milk-vetch
Astragalus preussii cutleri [Unnamed] milk-vetch
Astragalus proimanthus [Unnamed] milk-vetch
Astragalus proximus [Unnamed] milk-vetch
Astragalus pterocarpus [Unnamed] milk-vetch
Astragalus pulsiferae suksdorfii No common name
Astragalus puniceus gertrudis [Unnamed] milk-vetch
Astragalus purshii ophiogenes [Unnamed] milk-vetch
Astragalus pycnostachyus var. lanosissimus Ventura Marsh Milk-vetch
Astragalus rafaelensis San Rafael milk-vetch
Astragalus remotus Spring Mountain milk-vetch
Astragalus ripleyi Ripley milk-vetch
Astragalus robbinsii alpiniformis Robbins, milk-vetch
Astragalus robbinsii occidentalis Robbins, western ssp. milk-vetch
Astragalus robbinsii robbinsii Robbins, milk-vetch
Astragalus robbinsii var. jesupi Jesup's milk-vetch
Astragalus sabulosus [Cisco] milkvetch
Astragalus saurinus Dinosaur milk-vetch
Astragalus scaphoides [Unnamed] milk-vetch
Astragalus schmolliae Chapin Mesa milkvetch
Astragalus serenoi sordescens [Unnamed] milk-vetch
Astragalus serpens [Unnamed] milk-vetch
Astragalus shevockii Shevock's milk-vetch
Astragalus shultziorum [Unnamed] milk-vetch
Astragalus siliceus [Unnamed] milk-vetch
Astragalus sinuatus Whited milk-vetch
Astragalus solitarius Weak milk-vetch
Astragalus sterilis Sterile milk-vetch
Astragalus striatiflorus Escarpment milk-vetch
Astragalus subcinereus basalticus No common name
Astragalus subvestitus [Unnamed] milk-vetch
Astragalus tegetarioides [Unnamed] milk-vetch
Astragalus tener var. ferrisae Ferris' milk-vetch
Astragalus tener var. tener Alkali milk-vetch
Astragalus tener var. titi Coastal dunes milk-vetch
Astragalus tennesseensis [Unnamed] milk-vetch
Astragalus tiehmii Tiehm's milk-vetch
Astragalus titanophilus [Unnamed] milk-vetch
Astragalus toquimanus [Unnamed] milk-vetch
Astragalus tortipes Sleeping Ute milkvetch
Astragalus traskiae Trask's milk-vetch
Astragalus tricarinatus Triple-ribbed milk-vetch
Astragalus troglodytus [Unnamed] milk-vetch
Astragalus tweedyi [Unnamed] milk-vetch
Astragalus tyghensis [Unnamed] milk-vetch
Astragalus uncialis [Unnamed] milk-vetch
Astragalus vexilliflexus nubilus No common name
Astragalus webberi Webber's milk-vetch
Astragalus wetherillii Wetherill milk-vetch
Astragalus wittmannii [Unnamed] milk-vetch
Astragalus woodruffii [Unnamed] milk-vetch
Astragalus xiphoides Gladiator milk-vetch
Astragalus yoder-williamsii Osgood Mountains milk-vetch
Astranthium robustum No common name
Astrophytum asterias Star cactus
Atriplex canescens gigantea No common name
Atriplex cordulata Heartscale
Atriplex coronata var. notatior San Jacinto Valley crownscale
Atriplex coulteri Coulter's saltbush
Atriplex depressa Brittlescale
Atriplex griffithsii Griffith's saltbush
Atriplex joaquiniana Valley spearscale
Atriplex klebergorum Kleberg's saltbush
atriplex minuscula Lesser saltbrush
Atriplex pacifica South coast saltbush
Atriplex parishii Parrish's brittlescale
Atriplex persistens Sacramento saltbush
atriplex serenana var. davidsonii Davidson's saltscale
Atriplex tularensis Bakersfield saltbush
Atriplex vallicola Lost Hills saltbush
Atriplex welshii No common name
Auerodendron pauciflorum No common name
Aureolaria patula No common name
Ayenia limitaris Texas ayenia
Baccharis plummerae glabrata Hoover's coyot bush
Baccharis vanessae Encinitas baccharis
Bacopa innominata Mat-forming water-hyssop
Bacopa rotundifolia Chickahominy water-hyssop
Bahia bigelovii No common name
Balduina atropurpurea Purpledisk honeycombhead
balsamorhiza macrolepis var. macrolepis Big scale balsamroot
Balsamorhiza rosea No common name
Balsamorhiza sericea No common name
Banara vanderbiltii Palo de ramon
Baptisia arachnifera Hairy rattleweed
Baptisia calycosa calycosa No common name
Baptisia calycosa villosa Hairy wild indigo
Baptisia megacarpa [Unnamed] wild indigo
Baptisia megacarpa Apalachicola wild indigo
Baptisia simplicifolia No common name
Bartonia texana Texas screwstem
Basiphyllaea corallicola No common name
Batesimalva violacea Purple gay-mallow
Bazzania nudicaulis No common name
Benitoa occidentalis Western benitoa
Bensoniella oregona Bensoniella
Berberis harrisoniana Kofa barberry
Berberis higginsiae Higgin's barberry
Berberis (=Mahonia) sonnei Truckee Barberry
Berberis nervosa mendocinensis Hardy Creek barberry
Berberis nevinii Nevin's barberry
Berberis pinnata ssp. insularis Island Barberry
Berberis swaseyi [Unnamed] barberry
Besseya bullii No common name
Betula murrayana [Unnamed] birch
Betula uber Virginia round-leaf birch
Bidens amplectens Ko`oko`olau
Bidens bidentoides bidentoides [Unnamed] bur-marigold
Bidens bidentoides mariana Maryland bur-marigold
Bidens campylotheca campylotheca Campylotheca bidens
Bidens campylotheca ssp. campylotheca Ko`oko`olau
Bidens campylotheca ssp. pentamera Ko`oko`olau
Bidens campylotheca ssp. waihoiensis Ko`oko`olau
Bidens cervicata Ko`oko`olau
Bidens coarctata Manoa bidens
Bidens conjuncta Ko`oko`olau
Bidens cuneata Cuneate bidens
Bidens degeneri Ko`oko`olau
Bidens forbesii Forbes bidens
Bidens graciloides Maunalua bidens
Bidens hawaiensis Ko`oko`olau
Bidens hillebrandiana ssp. hillebrandiana kookoolau
Bidens macrocarpa ovatifolia Ko`oko`olau
Bidens mauiensis Ko`oko`olau
Bidens menziesii leptodonta Ko`oko`olau
Bidens micrantha caduca Ko`oko`olau
Bidens micrantha kaalana Ko`oko`olau
Bidens micrantha laciniata Ko`oko`olau
Bidens micrantha ssp. ctenophylla Ko`oko`olau
Bidens micrantha ssp. kalealaha Ko`oko`olau
Bidens molokaiensis Ko`oko`olau
Bidens obtusiloba Ko`oko`olau
Bidens populifolia Poplar-leaved bidens
Bidens pulchella Ko`oko`olau
Bidens salicoides Willow-leaved bidens
Bidens sandvicensis confusa Ko`oko`olau
Bidens sandvicensis ssp. sandvicensis Ko`oko`olau
Bidens sandwicensis setosa Ko`oko`olau
Bidens valida Robust bidens
Bidens wiebkei Ko`oko`olau
Blennosperma bakeri Sonoma sunshine
Blennosperma nanum robustum Point Reyes stickyseed
Bloomeria humilis Dwarf goldenstar
Bobea sandwicensis `Ahakea
Bobea timonioides `Ahakea
Boechera pinzliae Boundary Peak rock-cress
Boechera pusilla Fremont County rockcress
Boerhavia mathisiana Mathis spiderling
Boltonia apalachicolensis Apalachicola doll's daisy
Boltonia decurrens Decurrent false aster
Boltonia montana Doll's daisy
Bonamia grandiflora Florida bonamia
Bonamia menziesii No common name
Bonamia ovalifolia Bigpod bonamia
Bothriochloa exaristata No common name
Botrychium ascendens Trianglelobe moonwort
Botrychium crenulatum No common name
Botrychium gallicomontanum Prairie moonwort
Botrychium lineare Slender Moonwort
Botrychium mormo No common name
Botrychium pallidum No common name
Botrychium paradoxum No common name
Botrychium pedunculosum Stalked moonwort
Botrychium pumicola nealleyi Crater Lake grap fern
Botrychium subbifoliatum Makou
Brachionidium ciliolatum Makou
Brachymenium andersonii Anderson's brachymenium
Brassia caudata No common name
Braya humilis leiocarpa No common name
Braya humilis ventosa Alpine braya
Brazoria pulcherrima Centerville brazos-mint
Brickellia brachyphylla montanus Hinckley's bricklebush
Brickellia brachyphylla terlinguensis Terlingua bricklebush
Brickellia cordifolia Flyr's brickell-bush
Brickellia dentata No common name
Brickellia knappiana Knapp's brickellia
Brickellia leptophylla No common name
Brickellia mosieri Florida brickell-bush
Brickellia viejensis Sierra Vieja brickellia
Brighamia insignis Olulu
Brighamia rockii Pua `ala
Brodiaea coronaria rosea Indian Valley brodiaea
Brodiaea filifolia Thread-leaved brodiaea
Brodiaea insignis Kaweah brodiaea
Brodiaea kinkiensis San Clemente Island brodiaea
Brodiaea orcuttii Orcutt's brodiaea
Brodiaea pallida Chinese Camp brodiaea
Bromus arizonicus Arizona brome
Bromus texensis No common name
Brongniartia minutifolia Little-leaf brongniartia
Browallia sp. Sp. nov. ined. browallia
Brunfelsia portoricensis No common name
Bryocrumia vivicolor Gorge moss
Buckleya distichophylla Piratebush
Buellia sharpiana Evelyn''s buttons
Bulbophyllum guamense Cebello halumtano
Buxus vahlii Vahl's boxwood
Byrsonima lucida Maricao cimarron
Byrsonima spicata Maricao cimarron
Caesalpinia brachycarpa Broad-pod rushpea
Caesalpinia culebrae Amarillo mato
Caesalpinia drummondii No common name
Caesalpinia monensis Negro mato
Caesalpinia portoricensis Braun mato
Calamagrostis cainii Cain's reedgrass
Calamagrostis crassiglumis Thurber's reedgrass
Calamagrostis expansa Maui reedgrass
Calamagrostis foliosa Leafy reedgrass
Calamagrostis hillebrandii Hillegrand's reedgrass
Calamagrostis inexpansa novae-angliae Northern (=New England) reedgrass
Calamagrostis koelerioides Dense reedgrass
Calamagrostis nubila [Unnamed] reedgrass
Calamagrostis perplexa Wood reedgrass
Calamagrostis porteri Porter's reedgrass
Calamagrostis porteri insperata Ofer Hollow reedgrass
Calamagrostis tweedyi [Unnamed] reedgrass
Calamovilfa arcuata Cumberland sandreed
Calamovilfa brevipilis [Unnamed] sand grass
Calamovilfa brevipilis calvipes [Unnamed] sand grass
Calamovilfa curtissii [Unnamed] sand grass
Calliandra biflora Two-flowered stick-pea
Calliandra locoensis No common name
Callicarpa ampla Capa rosa
Calliptropsis nootkatensis Yellow cedar
Callirhoe bushii [Unnamed] poppy-mallow
Callirhoe scabriuscula Texas poppy-mallow
Callitriche marginata winged water-starwort
Callitropsis nevadensis Paiute cypress
Callitropsis stephensonii Cuyamaca cypress
calochortus catalinae Catalina mariposa lily
Calochortus clavatus avius Pleasant Valley mariposa lily
Calochortus clavatus gracilis Slender mariposa lily
Calochortus clavatus recurvifolius Arroyo de la Cruz mariposa lily
Calochortus coxii Cox's mariposa lily
Calochortus dunnii Dunn's mariposa lily
Calochortus excavatus Inyo mariposa lily
Calochortus greenei Greene's mariposa lily
Calochortus howellii Howell's mariposa lily
Calochortus indecorus [Unnamed] mariposa lily
Calochortus longebarbatus longebarbatus Long-haired star-tulip
Calochortus longebarbatus peckii Long-bearded, Peck's mariposa
Calochortus monanthus Shasta River mariposa lily
Calochortus nitidus No common name
Calochortus obispoensis San Luis mariposa
Calochortus palmeri munzii Munz's mariposa lily
Calochortus palmeri palmeri Palmer's mariposa lily
Calochortus persistens Siskiyou Mariposa lily
Calochortus plummerae Plummer's mariposa lily
calochortus pulchellus Recurved larkspur
Calochortus raichei The Cedars globe-lily
Calochortus simulans Mariposa lily
Calochortus striatus Alkali mariposa lily
Calochortus tiburonensis Tiburon mariposa lily
Calochortus umpquaensis Umpqua mariposa Lily
Calochortus venustus sanguineus Mariposa lily
Calochortus weedii intermedius Foothill mariposa lily
Calochortus weedii vestus No common name
Calochortus westonii Shirley Meadows mariposa lily
Calopogon multiflorus Manyflower grasspink
Calopogon oklahomensis Oklahoma grasspink
Calycadenia fremontii Fremont's rosinweed
Calycadenia hooveri Hoover's rosinweed
Calydorea coelestina Bartram's ixia
Calyptranthes estremerae No common name
Calyptranthes luquillensis No common name
Calyptranthes peduncularis No common name
Calyptranthes thomasiana No common name
Calyptranthes triflorum No common name
Calyptridium pulchellum Mariposa pussypaws
Calyptronoma rivalis Palma de manaca
Calystegia atriplicifolia buttensis Butte County morning-glory
Calystegia collina oxyphylla Mt. Saint Helena morning-glory
Calystegia collina venusta South Coast Range morning-glory
Calystegia macrostegia amplissima Island morning-glory
Calystegia peirsonii Peirson's morning-glory
Calystegia stebbinsii Stebbins' morning-glory
Calystegia subacaulis episcopalis Cambria morning-glory
Camassia cusickii No common name
Camassia howellii No common name
Camassia leichtlinii leichtlinii Leichtlin camassia
Camissonia atwoodii No common name
Camissonia bairdii Baird's evening primrose
Camissonia benitensis San Benito evening-primrose
Camissonia confertiflora [Unnamed] evening-primrose
Camissonia exilis Cottonwood Spring suncup
Camissonia gouldii Diamond Valley suncup
Camissonia guadalupensis clementina San Clemente Island evening-primrose
Camissonia hardhamiae Hardham's evening-primrose
Camissonia megalantha [Unnamed] evening-primrose
Camissonia nevadensis [Unnamed] evening-primrose
Camissonia parryi [Unnamed] evening-primrose
Camissonia sierrae alticola Mono Hot Springs evening-primrose
Camissonia specuicola hesperia [Unnamed] evening-primrose
Camissonia specuicola specuicola [Unnamed] evening-primrose
Camissonia tanacetifolia quadriperforata Sierra Valley evening-primrose
Campanula californica Swamp harebell
campanula exigua Chaparral harebell
Campanula piperi Olympic harebell
Campanula reverchonii Basin bellflower
Campanula robinsiae Brooksville bellflower
Campanula rotundifolia sacajaweana No common name
Campanula sharsmithiae Mt. Hamilton harebell
Campanula shetleri Castle Crags campanula
Campanula wilkinsiana Wilkin's harebell
Campylium cardotii Cardot's campylium moss
Campylopus carolinae Savannah campylopus
Canavalia hawaiiensis Pua-kauhi
Canavalia hawaiiensis [Unnamed] jack-bean
Canavalia hawaiiensis [Unnamed] jack-bean
Canavalia hawaiiensis [Unnamed] jack-bean
Canavalia kauaiensis [Unnamed] jack-bean
Canavalia molokaiensis `Awikiwiki
Canavalia napaliensis `Awikiwiki
Canavalia pubescens `Awikiwiki
Canna pertusa Maraca
Capparis sandwichiana Pus pilo
Cardamine clematitis Mountain bittercress
Cardamine constancei Constance's bittercress
Cardamine flexuosa Kona bittercress
Cardamine longii Long's bittercress
Cardamine micranthera Small-anthered bittercress
Cardamine nuttallii Yellow-tubered toothwort
Cardamine pattersonii Saddle Mountain bittercress
Cardamine penduliflora No common name
Cardamine rupicola [Unnamed] bittercress
Carex albida White sedge
Carex arapahoensis [Unnamed] sedge
Carex austrocaroliniana [Unnamed] sedge
Carex baltzellii [Unnamed] sedge
Carex barrattii Barratt's sedge
Carex bicknellii opaca [Unnamed] sedge
Carex biltmoreana Biltmore sedge
Carex brysonii Bryson's sedge
Carex chapmanii Chapman's sedge
Carex communis var. amplisquama Fort Mountain Sedge
Carex decomposita [Unnamed] sedge
Carex fissa [Unnamed] sedge
Carex formosa [Unnamed] sedge
Carex haysii [Unnamed] sedge
Carex hyalina Tissue sedge
Carex impressinervia Ravine sedge
Carex interrupta [Unnamed] sedge
Carex josselynii Josselyn's sedge
Carex latebracteata Waterfall's sedge
Carex lenticularis dolia [Unnamed] sedge
Carex lutea Golden sedge
Carex manhartii Manhart's sedge
Carex mariposana Sierra sedge
carex mckittrickensis Guadalupe Mountain sedge
Carex micropoda Anderson sedge
Carex microptera crassinervia Small-living, thick-nerved sedge
Carex misera [Unnamed] sedge
Carex obispoensis San Luis sedge
Carex onusta [Unnamed] sedge
Carex oronensis [Unnamed] sedge
Carex parryana Indian Valley sedge
Carex parryana idahoa [Unnamed] sedge
Carex polymorpha Variable sedge
Carex purpurifera [Unnamed] sedge
Carex radfordii Radford's sedge
Carex roanensis [Unnamed] sedge
Carex schweinitzii [Unnamed] sedge
Carex scirpoidea curatorum [Unnamed] sedge
Carex socialis [Unnamed] sedge
Carex specuicola Navajo sedge
Carex sterilis Aroostook sedge
Carex tompkinsii Thompkins' sedge
Carex wahuensis herbstii No common name
Carex whitneyi Whitney sedge
Carlquistia muirii Muir's raillardella
Carpenteria californica [Unnamed] carpenteria
Cassia exunguis [Unnamed] tamarindillo
Cassia fasciculata macrosperma No common name
Castanea pumila ozarkensis Ozark chinquapin
Castilleja affinis ssp. neglecta Tiburon paintbrush
Castilleja ambigua humboldtiensis Humboldt Bay owl's clover
Castilleja annua No common name
Castilleja applegatei ssp. martinii Clokey paintbrush
Castilleja aquariensis Aquarius paintbrush
Castilleja brevilobata Short-lobed paintbrush
Castilleja campestris ssp. succulenta Fleshy owl's-clover
Castilleja chlorotica Green-tinged paintbrush
Castilleja christii Christ's paintbrush
Castilleja chrymactis Point Reyes paintbrush
Castilleja chrysantha Common Wallowa paintbrush
Castilleja chrysantha No common name
Castilleja cinerea Ash-grey paintbrush
Castilleja coccinea Jeff Davis Parish indian paintbrush
Castilleja cryptantha Obscure Indian paintbrush
Castilleja elata Siskiyou paintbrush
Castilleja elongata Tall paintbrush
Castilleja fraterna No common name
Castilleja glandulifera No common name
Castilleja gleasonii Mt. Gleason paintbrush
Castilleja grisea San Clemente Island Paintbrush
Castilleja hololeuca White-felted paintbrush
Castilleja kaibabensis Kaibab paintbrush
Castilleja lasiorhyncha San Bernardino Mountains orthocarpus
Castilleja lemmonii Culbertson's paintbrush
Castilleja lemmonii Lemmon's paintbrush
Castilleja levisecta golden paintbrush
Castilleja linoides No common name
Castilleja martinii ewanii Ewan's paintbrush
Castilleja mendocinensis Mendocino coast paintbrush
Castilleja mollis Soft-leaved paintbrush
Castilleja nervata No common name
Castilleja oresbia No common name
Castilleja parviflora olympica No common name
Castilleja parvula Tushar indian paintbrush
Castilleja pilosa steenensis Steen's mountain paintbrush
Castilleja revealii Reveal indian paintbrush
Castilleja rubida No common name
Castilleja salsuginosa Monte Neva paintbrush
Castilleja scabrida [Unnamed] indian paintbrush
Castilleja sulphurea White Mountains paintbrush
Castilleja uliginosa Pitkin Marsh paintbrush
Castilleja wootonii [Unnamed] indian paintbrush
Castilleja xanthotricha No common name
catapyrenium granulosum No common name
Catesbaea melanocarpa No common name
Caulanthus amplexicaulis barbarae Santa Barbara jewelflower
Caulanthus californicus California jewelflower
Caulanthus heterophyllus Slender-pod jewelflower
Caulanthus simulans Payson's jewelflower
Caulostramina jaegeri Jaeger's caulostramina
Ceanothus arboreus [Unnamed] ceanothus
Ceanothus arboreus glaber No common name
Ceanothus confusus Rincon ceanothus
Ceanothus cuneatus rigidus Monterey ceanothus
Ceanothus cyaneus Lakeside ceanothus
Ceanothus divergens Calistoga ceanothus
Ceanothus ferrisae Coyote ceanothus
Ceanothus foliosus vineatus Vine Hill ceanothus
Ceanothus gloriosus porrectus Mt. Vision ceanothus
Ceanothus hearstiorum Hearst's ceanothus
Ceanothus impressus nipomensis Nipomo ceanothus
Ceanothus maritimus Maritime california-lilac
Ceanothus masonii Bolinas ceanothus
Ceanothus ophiochilus Vail Lake ceanothus
Ceanothus prostratus laxus Squaw carpet
Ceanothus roderickii Pine Hill ceanothus
Ceanothus sonomensis Sonoma ceanothus
Ceanothus verrucosus Wart-stemmed ceanothus
Cenchrus agrimonioides Kamanomano
centaurium blumbergianum blumberg rosita
Centaurium namophilum Spring-loving centaury
Centrosema arenicola [Unnamed] butterfly-pea
Cephaloziella obtusilobula Roundleaf Liverwort
Cerastium aleuticum Aleutian chickweed
Cerastium arvense villosissimum Field, long-hairy chickweed
Ceratophyllum floridanum Florida hornwort
Cercocarpus traskiae Catalina Island mountain-mahogany
Cereus eriophorus var. fragrans Fragrant prickly-apple
Cereus gracilis simpsonii Simpson's prickly-apple
Chaenactis cusickii No common name
Chaenactis evermannii No common name
Chaenactis nevii No common name
Chaenactis parishii Parish's chaenactis
Chaenactis ramosa No common name
Chaenactis thompsonii No common name
Chaetopappa hersheyi Mat leastdaisy
Chamaechaenactis scaposa No common name
Chamaecrista glandulosa var. mirabilis No common name
Chamaecrista lineata keyensis Big Pine partridge pea
Chamaerhodos nuttallii keweenawensis No common name
Chamaesyce arnottiana `Akoko
Chamaesyce atrococca `Akoko
Chamaesyce celastroides stokesii No common name
Chamaesyce celastroides tomentella `Akoko
Chamaesyce chaetocalyx triligulata Three-tongued spurge
Chamaesyce cumulicola No common name
Chamaesyce deltoidea pinetorum Pineland sandmat
Chamaesyce deltoidea serpyllum Wedge spurge
Chamaesyce deltoidea ssp. deltoidea Deltoid spurge
Chamaesyce garberi Garber's spurge
Chamaesyce golondrina Swallow spurge
Chamaesyce hooveri Hoover's spurge
Chamaesyce jejuna No common name
Chamaesyce multiformis multiformis No common name
Chamaesyce ocellata rattanii No common name
Chamaesyce olowaluana `Akoko
Chamaesyce perennans Perennial spurge
Chamaesyce platysperma Flat-seeded spurge
Chamaesyce porteriana keyensis Porter's, Key spurge
Chamaesyce porteriana porteriana No common name
Chamaesyce porteriana scoparia Porter's, spurge
Chamaesyce remyi hanaleiensis `Akoko
Chamaesyce skottsbergii vaccinioides `Akoko
Chamaesyce sparsiflora `Akoko
Charpentiera densiflora Papala
Cheilanthes arizonica californicum Canyon lip fern
Cheilanthes fibrillosa Fibrillose lip fern
Cheilanthes pringlei insulare Pringle lip fern
Cheilolejeunea evansii No common name
Cheirodendron helleri helleri No common name
Cheirodendron helleri microcarpum No common name
Cheirodendron helleri sodalium No common name
Cheirodendron trigynum rockii [Unnamed] olapa
Cheirodendron trigynum subcordatum [Unnamed] olapa
chelone cuthbertii Cuthbert's turtlehead
Chelone obliqua speciosa No common name
Chenopodium cycloides Sandhill goosefoot
Chenopodium oahuense Molokai goosefoot
Chenopodium oahuense discospermum No common name
Chiloscyphus gemmiparus No common name
Chionanthus pygmaeus Pygmy fringe-tree
Chloris texensis Texas windmill grass
Chlorogalum grandiflorum Red Hills soaproot
Chlorogalum purpureum Purple amole
Choisya arizonica Arizona star leaf
Choisya mollis Santa Cruz star leaf
Chorizanthe biloba immemora San Benito spineflower
Chorizanthe blakleyi Blakley's spineflower
Chorizanthe breweri Brewer's spineflower
Chorizanthe cuspidata cuspidata San Francisco Bay spineflower
Chorizanthe howellii Howell's spineflower
Chorizanthe leptotheca Ramona spineflower
Chorizanthe orcuttiana Orcutt's spineflower
Chorizanthe parryi parryi Parry's spineflower
Chorizanthe parryi var. fernandina San Fernando Valley Spineflower
Chorizanthe polygonoides longispina No common name
chorizanthe procumbens Prostrate spineflower
Chorizanthe pungens var. hartwegiana Ben Lomond spineflower
Chorizanthe pungens var. pungens Monterey spineflower
Chorizanthe rectispina One-awned spineflower
Chorizanthe robusta var. hartwegii Scotts Valley spineflower
Chorizanthe robusta var. robusta Robust spineflower
Chorizanthe spinosa Mojave spineflower
Chorizanthe staticoides chrysacantha Turkish rugging
Chorizanthe valida Sonoma spineflower
Chromolaena borinquensis No common name
Chromolaena frustrata Cape Sable Thoroughwort
Chromolaena oteroi No common name
Chrysophyllum cainito No common name
Chrysopsis floridana Florida golden aster
Chrysopsis godfreyi Godfrey's golden aster
Chrysopsis gossypina cruiseana Cruise's golden aster
Chrysosplenium iowense No common name
Chrysothamnus eremobius No common name
Chrysothamnus molestus No common name
Chrysothamnus nauseosus nanus No common name
Chrysothamnus nauseosus texensis No common name
Chrysothamnus parryi hinckleyi No common name
Chrysothamnus scopulorum No common name
Cicuta bolanderi Bolander water-hemlock
Cimicifuga arizonica Arizona bugbane
Cimicifuga elata Tall bugbane
Cimicifuga laciniata No common name
Cimicifuga rubifolia No common name
Cirsium brevifolium Thistle
Cirsium ciliolatum Ashland thistle
Cirsium clokeyi Clokey's thistle
Cirsium crassicaule Slough thistle
Cirsium davisii [Unnamed] thistle
Cirsium fontinale campylon Mt. Hamilton thistle
Cirsium fontinale var. fontinale Fountain thistle
Cirsium fontinale var. obispoense Chorro Creek bog thistle
Cirsium hallii [Unnamed] thistle
Cirsium hillii [Unnamed] thistle
Cirsium hydrophilum var. hydrophilum Suisun thistle
Cirsium hydrophilum vaseyi Mt. Tamalpais thistle
Cirsium loncholepis La Graciosa thistle
Cirsium longistylum [Unnamed] thistle
Cirsium mohavense Virgin thistle
Cirsium occidentale compactum Compact cobweb thistle
Cirsium ownbeyi Ownbey's thistle
Cirsium parryi mogollonicum Mogollon thistle
Cirsium pitcheri Pitcher's thistle
Cirsium rhothophilum Surf thistle
Cirsium rydbergii [Unnamed] thistle
Cirsium scapanolepis Mountain-slope Thistle
Cirsium sp. Sp. nov. ined. cirsium
Cirsium turneri [Unnamed] thistle
Cirsium vinaceum Sacramento Mountains thistle
Cirsium wrightii Wright's marsh thistle
Cistanthe tweedyi Tweedy's pussypaws
Cladonia perforata Florida perforate cladonia
Cladonia psoromica Bluff Mountain Reindeer Lichen
Cladrastis kentukea No common name
claopodium whippleanum Whipple's claopodium moss
Claoxylon sandwicense sandwicense Po`ola
Clarkia amoena pacifica [Unnamed] clarkia
Clarkia amoena whitneyi [Unnamed] clarkia
Clarkia australis Small's southern clarkia
Clarkia biloba australis Mariposa clarkia
Clarkia borealis arida Arid northern clarkia
Clarkia concinna automixa East Bay clarkia
Clarkia concinna raichei Tomales clarkia
Clarkia franciscana Presidio clarkia
Clarkia imbricata Vine Hill clarkia
Clarkia lingulata Merced clarkia
Clarkia mosquinii mosquinii Mosquin's clarkia
Clarkia mosquinii xerophila Enterprise clarkia
Clarkia rostrata Beaked clarkia
Clarkia speciosa ssp. immaculata Pismo clarkia
Clarkia springvillensis Springville clarkia
Clarkia tembloriensis ssp. calientensis Caliente clarkia
Claytonia lanceolata chrysantha No common name
Claytonia lanceolata flava No common name
Claytonia lanceolata peirsonii Peirson's spring beauty
Claytonia megarhiza bellidiflora Fell fields claytonia
Claytonia megarhiza nivalis No common name
Claytonia virginica hammondiae [Unnamed] spring-beauty
Clematis addisonii Addison's virgin's bower
Clematis albicoma White-haired leatherflower
Clematis catesbyana Old man's beard
Clematis hirsutissima arizonica Arizona leatherflower
Clematis morefieldii Morefield's leather flower
Clematis occidentalis dissecta [Unnamed] leather flower
Clematis socialis Alabama leather flower
Clematis viorna [Unnamed] virgin's bower
Clematis viticaulis Millboro leatherflower
Cleomella palmeriana No common name
Cleome multicaulis Slender spiderflower
Clermontia drepanomorpha `Oha wai
Clermontia hawaiiensis hawaiiensis No common name
Clermontia konaensis No common name
Clermontia lindseyana `Oha wai
Clermontia loyana No common name
Clermontia multiflora No common name
Clermontia munroi No common name
Clermontia oblongifolia ssp. brevipes `Oha wai
Clermontia oblongifolia ssp. mauiensis `Oha wai
Clermontia peleana `Oha wai
Clermontia pyrularia `Oha wai
Clermontia samuelii `Oha wai
Clinopodium ashei No common name
clinopodium chandleri San Miguel savory
Clinopodium chandleri San Miguel savory
Clinopodium dentatum No common name
Clitoria fragrans Pigeon wings
Clusia flava No common name
Coccoloba rugosa No common name
Cocculus orbiculatus No common name
Cocculus orbiculatus No common name
Cocculus orbiculatus No common name
Coelorachis tuberculosa No common name
Collinsia antonina No common name
collinsia multicolor San Francisco collinsia
Collomia debilis var. larsenii Talus collomia
Collomia macrocalyx Bristle-flowered collomia
Collomia mazama Crater Lake collomia
Collomia rawsoniana Rawson's flaming trumpet
Collomia renacta No common name
Colubrina californica Las Animas colubrina
Colubrina oppositifolia Kauila
Colubrina stricta Comal snakewood
Columbiadoria hallii No common name
Comarostaphylis diversifolia diversifolia Summer-holly
Commelina gigas Climbing dayflower
Condalia hookeri edwardsiana Edwards' brasil
Conioselinum mexicanum Hemlock, Mexican parsley
Conostegia rufescens No common name
Conradina brevifolia Short-leaved rosemary
Conradina etonia Etonia rosemary
Conradina glabra Apalachicola rosemary
Conradina grandiflora [Unnamed] rosemary
Conradina verticillata Cumberland rosemary
Consolea corallicola Florida semaphore Cactus
convolvulus equitans Clay bindweed
Convolvulus equitans Small-flowered morning-glory
Coprosma faurei lanaiensis No common name
Coprosma montana orbicularis No common name
Coprosma ochracea kaalae No common name
Coprosma pubens No common name
Coprosma pubens sessiliflora No common name
Cordia bellonis No common name
Cordia wagnerorum No common name
Cordylanthus eremicus bernardinus San Bernardino birds-beak
Cordylanthus eremicus eremicus Desert birds-beak
Cordylanthus maritimus palustris Northcoast birds-beak
Cordylanthus maritimus ssp. maritimus Salt marsh bird's-beak
Cordylanthus mollis hispidus Hispid birds-beak
Cordylanthus mollis ssp. mollis Soft bird's-beak
Cordylanthus nidularius Mt. Diablo bird's-beak
Cordylanthus orcuttianus Orcutt's bird's-beak
Cordylanthus palmatus Palmate-bracted bird's beak
Cordylanthus rigidus littoralis Seaside birds-beak
Cordylanthus tecopensis Tecopa bird's-beak
Cordylanthus tenuis barbatus Fresno County bird's-beak
Cordylanthus tenuis pallescens Pallid birds-beak
Cordylanthus tenuis ssp. capillaris Pennell's bird's-beak
Coreopsis grandiflora No common name
Coreopsis hamiltonii Mt. Hamilton coreopsis
Coreopsis integrifolia Ciliate-leaf tickseed
Coreopsis intermedia Golden wave tickseed
Coreopsis latifolia No common name
Coreopsis pulchra No common name
Coreopsis tripteris subrhomboidea No common name
Corethrogyne filaginifolia linifolia Del Mar sand aster
Corispermum navicula Boat-shaped Bugseed
Cornutia obovata Palo de nigua
Corydalis aquae-gelidae No common name
Corydalis caseana brachycarpa No common name
Corydalis caseana caseana Sierra corydalis
Corydalis caseana hastata No common name
Coryphantha chaffeyi Chaffey's cory cactus
Coryphantha dasyacantha dasyacantha No common name
Coryphantha dasyacantha varicolor No common name
Coryphantha duncanii Duncan's cory cactus
Coryphantha minima Nellie cory cactus
Coryphantha ramillosa Bunched cory cactus
Coryphantha recurvata Santa Cruz beehive cactus
Coryphantha robbinsiorum Cochise pincushion cactus
Coryphantha scheeri uncinata [Unnamed] cory cactus
Coryphantha scheeri var. robustispina Pima pineapple cactus
Coryphantha sneedii var. leei Lee pincushion cactus
Coryphantha sneedii var. sneedii Sneed pincushion cactus
Coryphantha sulcata nickelsiae Nickel's cory cactus
Coryphantha vivipara alversonii Alverson's foxtail cactus
Coursetia axillaris No common name
Coursetia glabella No common name
Cranichis ricartii No common name
Crataegus berberifolia Barberry-leaved hawthorn
Crataegus harbisonii [Unnamed] haw
Crataegus oreophila Balsam Mountain Hawthorn
Crataegus stenosepala No common name
Crataegus sutherlandensis No common name
Crataegus triflora No common name
Crataegus warneri Warner hawthorn
Crescentia portoricensis Higuero de sierra
Croomia pauciflora [Unnamed] croomia
Crossosoma bigelovii No common name
Crossosoma californicum Catalina crossosoma
Crotalaria avonensis Avon Park harebells
Croton alabamensis alabamensis Alabama croton
Croton elliottii Elliott’s croton
Croton fishlockii No common name
Croton glandulosus simpsonii No common name
Croton impressus No common name
Croton microcarpus No common name
Croton wigginsii Wiggin's croton
Cryptantha aperta Grand Junction catseye
Cryptantha atwoodii Atwood's catseye
Cryptantha barnebyi Barneby catseye
Cryptantha breviflora [Unnamed] catseye
Cryptantha cinerea arenicola No common name
Cryptantha compacta Compact catseye
Cryptantha crassipes Terlingua Creek cat's-eye
Cryptantha creutzfeldtii No common name
Cryptantha crinita Silky cryptantha
Cryptantha crymophila Alpine County cryptantha
Cryptantha elata Cliffdweller's candlestick catseye
Cryptantha ganderi Gander's cryptantha
Cryptantha grahamii Graham catseye
Cryptantha hoffmannii Hoffmann's cryptantha
Cryptantha insolita [Unnamed] catseye
Cryptantha interrupta No common name
Cryptantha johnstonii Johnston catseye
Cryptantha jonesiana Jones catseye
Cryptantha mensana No common name
Cryptantha ochroleuca Yellow-white catseye
Cryptantha paradoxa No common name
Cryptantha rollinsii No common name
Cryptantha roosiorum Bristlecone catseye
Cryptantha semiglabra Smooth catseye
Cryptantha shackletteana [Unnamed] catseye
Cryptantha sobolifera No common name
Cryptantha sobolifera [Unnamed] catseye
Cryptantha sobolifera Schoolcraft's cryptantha
Cryptantha stricta [Unnamed] catseye
Cryptantha subcapitata No common name
Cryptantha thompsonii No common name
Cryptantha traskiae Trask's cryptantha
Cryptantha tumulosa New York Mountains cryptantha
Cryptantha weberi Weber's catseye
Cryptantha welshii Welsh's cryptantha
Cryptocarya mannii No common name
Ctenitis squamigera Pauoa
Ctenium floridanum No common name
Cucurbita okeechobeensis ssp. okeechobeensis Okeechobee gourd
Cucurbita texana No common name
Cuphea aspera No common name
Cupressus abramsiana Santa Cruz cypress
Cupressus forbesii Tecate cypress
Cupressus goveniana pigmaea Mendocino cypress
Cupressus goveniana ssp. goveniana Gowen cypress
Cupressus macrocarpa Monterey cypress
Cuscuta attenuata Slender dodder
Cuscuta harperi Harper's dodder
Cuscuta howelliana Bogg's Lake dodder
Cuscuta plattensis Wyoming Dodder
Cuscuta warneri Warner's dodder
Cusickiella quadricostata Bodie Hills draba
Cyanea acuminata Haha
Cyanea angustifolia lanaiensis No common name
Cyanea angustifolia racemosa No common name
Cyanea arborea No common name
Cyanea asarifolia Haha
Cyanea asplenifolia Haha
Cyanea aspleniifolia No common name
Cyanea calycina Haha
Cyanea comata No common name
Cyanea copelandii ssp. copelandii Haha
Cyanea copelandii ssp. haleakalaensis Haha
Cyanea crispa haha
Cyanea dolichopoda Haha
Cyanea dunbariae haha
Cyanea duvalliorum haha
Cyanea eleeleensis Haha
Cyanea gibsonii haha
Cyanea giffardii No common name
Cyanea glabra Haha
Cyanea grimesiana ssp. cylindrocalyx No common name
Cyanea grimesiana ssp. grimesiana Haha
Cyanea grimesiana ssp. obatae Haha
Cyanea hamatiflora ssp. carlsonii Haha
Cyanea hamatiflora ssp. hamatiflora Haha
Cyanea hirtella No common name
Cyanea horrida haha nui
Cyanea humboldtiana Haha
Cyanea kauaulaensis No common name
Cyanea kolekoleensis Haha
Cyanea koolauensis Haha
Cyanea kuhihewa Haha
Cyanea kunthiana Haha
Cyanea lanceolata Haha
Cyanea leptostegia Giant koke`e
Cyanea linearifolia No common name
Cyanea lobata Haha
Cyanea longiflora Haha
Cyanea longissima Haha
Cyanea magnicalyx haha
Cyanea mannii Haha
Cyanea maritae haha
Cyanea marksii Haha
Cyanea mauiensis haha
Cyanea mceldowneyi Haha
Cyanea munroi haha
Cyanea obtusa Haha
Cyanea parvifolia No common name
Cyanea pinnatifida Haha
Cyanea platyphylla `aku`aku
Cyanea pohaku No common name
Cyanea procera Haha
Cyanea profuga Haha
Cyanea pseudofauriei Haha
Cyanea purpurellifolia Haha
Cyanea pycnocarpa No common name
Cyanea quercifolia No common name
Cyanea recta Haha
Cyanea remyi Haha
Cyanea rivularis Haha
Cyanea scabra No common name
Cyanea sessilifolia No common name
Cyanea shipmanii Haha
Cyanea solanacea Popolo
Cyanea solenocalyx Molokai cyanea
Cyanea stictophylla Haha
Cyanea st.-johnii Haha
Cyanea superba Haha
Cyanea tritomantha `aku
Cyanea truncata Haha
Cyanea undulata Haha
Cyathea dryopteroides Elfin tree fern
Cyathea lunulata Tree-fern (Tsatsa)
Cycas micronesica Fadang
Cycladenia humilis var. jonesii Jones Cycladenia
Cyclosorus boydiae Kupukupu makalii
Cyclosorus boydiae kipahuluensis No common name
Cyclosorus boydiae var. boydiae No common name
Cylindrocolea andersonii [Unnamed] liverwort
Cymophyllus fraserianus No common name
Cymopterus acaulis higginsii Higgins biscuitroot
Cymopterus basalticus No common name
Cymopterus beckii Pinnate spring-parsley
Cymopterus corrugatus No common name
Cymopterus corrugatus No common name
Cymopterus coulteri Coulter biscuitroot
Cymopterus davisii No common name
Cymopterus deserticola Desert cymopterus
Cymopterus douglassii No common name
Cymopterus duchesnensis Duchesne biscuitroot
Cymopterus everetii No common name
Cymopterus goodrichii No common name
Cymopterus ibapensis No common name
Cymopterus megacephalus No common name
Cymopterus minimus Cedar Breaks biscuitroot
Cymopterus newberryi No common name
Cymopterus nivalis No common name
Cymopterus ripleyi saniculoides No common name
Cymopterus rosei No common name
Cynanchum monense No common name
Cynanchum wigginsii No common name
Cyperus cephalanthus No common name
Cyperus fauriei No common name
Cyperus granitophilus No common name
Cyperus grayoides Umbrella sedge
Cyperus louisianensis [Unnamed] sedge
Cyperus neokunthianus No common name
Cyperus odoratus Fragrant flatsedge
Cyperus onerosus Flat dune sedge
Cyperus pennatiformis No common name
Cyperus rockii No common name
Cyperus trachysanthos Pu`uka`a
Cyperus urbanii Urban's flatsedge
Cypripedium arietinum Ram's-head lady's-slipper
Cypripedium californicum California lady's-slipper
Cypripedium candidum Small white lady's-slipper
Cypripedium fasciculatum Clustered lady's-slipper
Cypripedium kentuckiense [Unnamed] lady's-slipper
Cypripedium montanum Mountain lady's-slipper
Cyrtandra alata No common name
Cyrtandra alnea No common name
Cyrtandra ambigua No common name
Cyrtandra axilliflora No common name
Cyrtandra basipartita No common name
Cyrtandra begoniifolia `Ilihia
Cyrtandra biserrata Ha`iwale
Cyrtandra bryanii No common name
Cyrtandra carinata No common name
Cyrtandra caudatisepala No common name
Cyrtandra christophersenii No common name
Cyrtandra conradtii No common name
Cyrtandra cordifolia brevipilita No common name
Cyrtandra cordifolia gynoglabra No common name
Cyrtandra crassior No common name
Cyrtandra crenata Ha`iwale
Cyrtandra cupuliformis No common name
Cyrtandra cyaneoides Mapele
Cyrtandra dentata Ha`iwale
Cyrtandra elliptisepala No common name
Cyrtandra ferricolorata No common name
Cyrtandra ferripilosa haiwale
Cyrtandra ferruginosa No common name
Cyrtandra filipes Ha`iwale
Cyrtandra forbesii No common name
Cyrtandra garnotiana No common name
Cyrtandra georgiana No common name
Cyrtandra giffardii Ha`iwale
Cyrtandra gracilis Haiwale
Cyrtandra grayana lanaiensis No common name
Cyrtandra grayi No common name
Cyrtandra halawensis Ha`iwale
Cyrtandra hawaiensis No common name
Cyrtandra hematos Ha`iwale
Cyrtandra hirsutula No common name
Cyrtandra honolulensis No common name
Cyrtandra hosakae No common name
Cyrtandra intrapilosa No common name
Cyrtandra kaalae No common name
Cyrtandra kahanensis No common name
Cyrtandra kalichii No common name
Cyrtandra kauaiensis Ulunahele
Cyrtandra kaulantha Ha`iwale
Cyrtandra kealiae Ha`iwale
Cyrtandra kohalae No common name
Cyrtandra laevis No common name
Cyrtandra laxiflora No common name
Cyrtandra lessoniana angustifolia No common name
Cyrtandra lessoniana intrapubens No common name
Cyrtandra limahuliensis Ha`iwale
Cyrtandra longifolia longifolia No common name
Cyrtandra longiloba No common name
Cyrtandra lydgatei Ha`iwale
Cyrtandra lysiosepala grayi No common name
Cyrtandra lysiosepala haleakalensis No common name
Cyrtandra lysiosepala lysiosepala No common name
Cyrtandra macrocalyx Ha`iwale
Cyrtandra malacophylla malacophylla No common name
Cyrtandra mannii No common name
Cyrtandra menziesii Ha`iwale
Cyrtandra munroi Ha`iwale
Cyrtandra nanawaleensis haiwale
Cyrtandra niuensis No common name
Cyrtandra oenobarba Ha`iwale
Cyrtandra olona No common name
Cyrtandra oxybapha Ha`iwale
Cyrtandra paliku Haiwale
Cyrtandra paludosa No common name
Cyrtandra paludosa No common name
Cyrtandra paludosa No common name
Cyrtandra paludosa haupuensis No common name
Cyrtandra pickeringii Ha`iwale
Cyrtandra platyphylla hiloensis No common name
Cyrtandra polyantha Ha`iwale
Cyrtandra pruinosa Ha`iwale
Cyrtandra pubens No common name
Cyrtandra ramosissima No common name
Cyrtandra rivularis No common name
Cyrtandra rockii No common name
Cyrtandra sandwicensis Ha`iwale
Cyrtandra scabrella No common name
Cyrtandra sessilis Ha`iwale
Cyrtandra subintegra No common name
Cyrtandra subumbellata Ha`iwale
Cyrtandra tintinnabula Ha`iwale
Cyrtandra turbiniformis No common name
Cyrtandra vaniota No common name
Cyrtandra villicalyx pubentigyna No common name
Cyrtandra viridiflora Ha`iwale
Cyrtandra wagneri haiwale
Cyrtandra waiolani Haiwale
Cyrtandra X atomigyna No common name
Cyrtandra X atomigyna No common name
Cyrtandra X basipartita No common name
Cyrtandra X crassifolia No common name
Cyrtandra X crassifolia No common name
Cyrtandra X crassifolia No common name
Cyrtandra X ferruginosa No common name
Cyrtandra X forbesii No common name
Cyrtandra X forbesii No common name
Cyrtandra X forbesii No common name
Cyrtandra X hillebrandii No common name
Cyrtandra X honolulensis No common name
Cyrtandra X hosakae No common name
Cyrtandra X hosakae No common name
Cyrtandra X kipapaensis No common name
Cyrtandra X rockii No common name
Cyrtandra X rockii No common name
Cyrtandra X rockii No common name
Dalea bartonii Cox's dalea
Dalea carthagenensis floridana Florida prairie-clover
Dalea flavescens epica Hole-In-The-Rock prairie-clover
Dalea foliosa Leafy prairie-clover
Dalea gattingeri No common name
Dalea reverchonii Comanche-peak prairie-clover
Dalea sabinalis Sabinal prairie-clover
Dalea scariosa [Unnamed] prairie-clover
Dalea tentaculoides Gentry's indigobush
Daphnopsis hellerana No common name
Darlingtonia californica California pitcherplant
Dasynotus daubenmirei No common name
Dedeckera eurekensis July gold
Deeringothamnus pulchellus Beautiful pawpaw
Deeringothamnus rugelii Rugel's pawpaw
Deinandra (=Hemizonia) conjugens Otay tarplant
Deinandra increscens ssp. villosa Gaviota Tarplant
Delissea fallax No common name
Delissea laciniata No common name
Delissea lauliiana No common name
Delissea parviflora No common name
Delissea rhytidosperma No common name
Delissea sinuata No common name
Delissea subcordata Oha
Delissea undulata No common name
Delphinium alabamicum Alabama larkspur
Delphinium bakeri Baker's larkspur
Delphinium californicum interius Hospital Canyon larkspur
Delphinium exaltatum Tall larkspur
Delphinium hesperium cuyamacae Cuyamaca larkspur
Delphinium hutchinsonae Hutchinson's delphinium
Delphinium inopinum Unexpected larkspur
Delphinium leucophaeum Larkspur
Delphinium luteum Yellow larkspur
Delphinium multiplex [Unnamed] larkspur
Delphinium newtonianum [Unnamed] larkspur
Delphinium nuttallianum lineapetalum [Unnamed] larkspur
Delphinium nuttallii ssp. nuttallii Willamette Valley larkspur
Delphinium parryi blochmaniae Dune larkspur
Delphinium parryi ssp. purpureum Mt. Pinos larkspur
Delphinium pavonaceum Peacock larkspur
Delphinium recurvatum Recurved larkspur
Delphinium treleasei [Unnamed] larkspur
Delphinium variegatum ssp. kinkiense San Clemente Island larkspur
Delphinium variegatum thornei Thorne's royal larkspur
Delphinium viridescens Wenatchee larkspur
Delphinium xantholeucum Northwestern larkspur
Dendrobium guamense No common name
Dendrographa leucophaea No common name
Dendromecon rigida rhamnoides Island tree poppy
Dendromecon rigida ssp. harfordii Channel Island tree poppy
Dendropemon sintenisii Hicaquillo
Dentaria incisa No common name
Deparia kaalaana No common name
Descurainia torulosa No common name
Desmanthus bicornutus Ruby bundleflower
Desmodium humifusum Ground-spreading tick-trefoil
Desmodium lindheimeri Lindheimer's tickseed
Desmodium ochroleucum Creamy tick-trefoil
Dicentra formosa oregana Pacific bleeding-heart
Dicentra nevadensis Sierra Nevada bleeding-heart
Dicentra ochroleuca Yellow bleedingheart
Dicerandra christmanii Garrett's mint
Dicerandra cornutissima Longspurred mint
Dicerandra frutescens Scrub mint
Dicerandra immaculata Lakela's mint
Dicerandra odoratissima [Unnamed] mint
Dicerandra radfordiana [Unnamed] mint
Dichanthelium aciculare var. aciculare No common name
Dichanthelium acuminatum acuminatum The Geysers panic grass
Dichanthelium acuminatum var. acuminatum Shasta panic grass
Dichanthelium acuminatum var. acuminatum Fernald's panic grass
Dichanthelium cynodon [Unnamed] panic grass
Dichanthelium cynodon Tussock panic grass
Dichanthelium cynodon [Unnamed] panic grass
Dichanthelium nudicaule No common name
Dichanthelium (=Panicum) hirstii Hirst Brothers' Panic grass
Dichanthelium scabriusculum woolly rosette grass
Dichelostemma lacuna-vernalis Vernal pool brodiaea
Dichondra donnelliana California dichondra
Dichondra occidentalis Western dichondra
Dicliptera krugii No common name
dicranoweisia crispula Dicranoweisia moss
Dieteria bigelovii var. mucronata Bigelow tansyaster
Dieteria canescens var. leucanthemifolia Whiteflower tansyaster
Digitaria floridana No common name
Digitaria gracillima No common name
Digitaria pauciflora Florida pineland crabgrass
Dionaea muscipula Venus flytrap
Diplacus aridus Low bush monkeyflower
Diplacus clevelandii Cleveland's bush monkeyflower
Diplacus vandenbergensis Vandenberg monkeyflower
Diplazium molokaiense No common name
Dissanthelium californicum California dissanthelium
Dissochondrus biflorus No common name
Ditaxis cyanophylla No common name
Ditaxis cyanophylla No common name
Ditaxis serrata California ditaxis
Dithyrea maritima Beach spectacle-pod
Dodecahema leptoceras Slender-horned spineflower
Dodecatheon austrofrigidum Tundra shootingstar
Dodecatheon frenchii French's shootingstar
Dodecatheon poeticum No common name
Dodonaea eriocarpa costulata No common name
Dodonaea eriocarpa forbesii No common name
Dodonaea eriocarpa lanaiensis No common name
Dodonaea eriocarpa molokaiensis No common name
Dodonaea eriocarpa oblonga No common name
Dodonaea eriocarpa pallida No common name
Dodonaea eriocarpa skottsbergii No common name
Dodonaea eriocarpa varians No common name
Dodonaea sandwicensis latifolia No common name
Dodonaea sandwicensis simulans No common name
Dodonaea stenoptera fauriei No common name
Dodonaea stenoptera stenoptera No common name
Donrichardsia macroneuron donrichard moss
Doryopteris angelica No common name
Doryopteris takeuchii No common name
Douglasia idahoensis No common name
Douglasia laevigata laevigata No common name
Douglasia nivalis nivalis No common name
Downingia concolor brevior Cuyamac Lake downingia
Downingia pusilla Dwarf downingia
Draba apiculata daviesiae No common name
Draba aprica No common name
Draba argyraea No common name
Draba arida No common name
Draba asprella asprella No common name
Draba asprella kaibabensis No common name
Draba asprella stelligera No common name
Draba asprella zionensis Zion whitlow-grass
Draba asterophora asterophora Tahoe draba
Draba asterophora macrocarpa Cup Lake draba
Draba brachystylis Wasatch Draba
Draba carnosula Mt. Eddy draba
Draba crassifolia nevadensis Dolomite draba
Draba cruciata cruciata Mineral King draba
Draba cruciata integrifolia Mt. Whitney draba
Draba douglasii crockeri Crocker's draba
Draba douglasii douglasii Douglas' draba
Draba exunguiculata [Unnamed] whitlow-wort
Draba jaegeri No common name
Draba kassii No common name
Draba lemmonii cyclomorpha No common name
Draba lemmonii incrassata Sweetwater Mountains draba
Draba maguirei burkei No common name
Draba maguirei maguirei No common name
Draba mogollonica No common name
Draba murrayi No common name
Draba nivalis brevicula Snow, little draba
Draba oreibata serpentina No common name
Draba paucifructa No common name
Draba pectinipila No common name
Draba ramulosa Tushar Mountain Whitlow grass
Draba ruaxes No common name
Draba smithii No common name
Draba sobolifera Stolon whitlow-grass
Draba sphaerocarpa [Unnamed] stolon
Draba sphaeroides cusickii No common name
Draba standleyi Standley whitlow-grass
Draba stenoloba ramosa Branched draba
Draba subalpina [Unnamed] whitlow-grass
Draba trichocarpa Stanley whitlow-grass
Draba weberi Weber's Whitlow grass
Draba yukonensis No common name
Dracontium polyphyllum No common name
Dryopteris crinalis var. podosorus Palapalai aumakua
Dryopteris glabra var. pusilla Hohiu
Dryopteris takeuchii No common name
Dubautia arborea Na`ena`e
Dubautia herbstobatae Na`ena`e
Dubautia imbricata ssp. imbricata Na`ena`e
Dubautia kalalauensis Naenae
Dubautia kenwoodii Naenae
Dubautia knudsenii degeneri No common name
Dubautia knudsenii filiformis Na`ena`e
Dubautia knudsenii knudsenii Knudsen dubautia
Dubautia laevigata parvifolia No common name
Dubautia latifolia Koholapehu
Dubautia laxa blakei No common name
Dubautia laxa waianensis Na`ena`e-pua-melemele
Dubautia linearis ssp. hillebrandii No common name
Dubautia magnifolia No common name
Dubautia menziesii No common name
Dubautia menziesii Na`ena`e
Dubautia microcephala Na`ena`e
Dubautia molokaiensis No common name
Dubautia montana robustior No common name
Dubautia pauciflorula Na`ena`e
Dubautia plantaginea acridentata No common name
Dubautia plantaginea plantaginea No common name
Dubautia plantaginea ssp. humilis Na`ena`e
Dubautia plantaginea ssp. magnifolia Na`ena`e
Dubautia platyphylla leptophylla No common name
Dubautia reticulata No common name
Dubautia sherffiana Sherff railliardia
Dubautia thyrsiflora cernua No common name
Dubautia thyrsiflora thyrsiflora No common name
Dubautia waialealae Na`ena`e
Dubautia X fallax No common name
Dubautia X thyrsiflora No common name
Dudleya abramsii affinis San Bernardino Mountains dudleya
Dudleya abramsii bettinae San Luis serpentine dudleya
Dudleya abramsii murina Mouse-leaved dudleya
Dudleya abramsii ssp. parva Conejo dudleya
Dudleya attentuata orcuttii Orcutt's dudleya
Dudleya blochmaniae blochmaniae Short-leaved dudleya
Dudleya blochmaniae brevifolia Short-leaved dudleya
Dudleya blochmaniae insularis Santa Rosa Island dudleya
Dudleya candelabrum Candleholder dudleya
Dudleya cymosa costifolia Pierpoint Springs liveforever
Dudleya cymosa crebrifolia San Gabriel River dudleya
Dudleya cymosa ssp. marcescens Marcescent dudleya
Dudleya cymosa ssp. ovatifolia Santa Monica Mountains dudleyea
Dudleya densiflora San Gabriel Mountains dudleya
Dudleya multicaulis Many-stemmed liveforever
Dudleya nesiotica Santa Cruz Island dudleya
Dudleya saxosa collomiae No common name
Dudleya saxosa saxosa Panamint dudleya
Dudleya setchellii Santa Clara Valley dudleya
Dudleya sp. Sp. nov. ined. (munchkin) dudleya
Dudleya stolonifera Laguna Beach liveforever
Dudleya traskiae Santa Barbara Island liveforever
Dudleya variegata Variegated dudleya
Dudleya verityi Verity's dudleya
Dudleya virens Green liveforever
dudleya virens ssp. insularis Island green dudleya
Dudleya viscida Sticky-leaved liveforever
Dyschoriste crenulata No common name
Echeandia chandleri Lilia de los llanos
echeandia texensis No common name
Echinacea laevigata Smooth coneflower
Echinacea tennesseensis Tennessee purple coneflower
Echinocactus horizonthalonius var. nicholii Nichol's Turk's head cactus
Echinocereus chisoensis var. chisoensis Chisos Mountain hedgehog Cactus
Echinocereus engelmannii howei Howe's hedgehog cactus
Echinocereus engelmannii munzii Munz's hedgehog cactus
Echinocereus engelmannii var. purpureus Purple-spined Hedgehog cactus
Echinocereus fendleri var. kuenzleri Kuenzler hedgehog cactus
Echinocereus ledingii No common name
Echinocereus lloydii Lloyd's hedgehog cactus
Echinocereus papillosus angusticeps Small papillosus
Echinocereus reichenbachii fitchii Fitch's hedgehog cactus
Echinocereus reichenbachii var. albertii Black lace cactus
Echinocereus russanthus Rusty hedgehog cactus
Echinocereus triglochidiatus var. arizonicus Arizona hedgehog cactus
Echinocereus triglochidiatus var. inermis Spineless hedgehog Cactus
Echinocereus viridiflorus correllii Correll's green pitaya
Echinocereus viridiflorus cylindricus Golden-spined hedgehog cactus
Echinocereus viridiflorus var. davisii Davis' green pitaya
Echinodorus tenellus No common name
Echinomastus erectocentrus erectocentrus No common name
Echinomastus erectocentrus var. acunensis Acuna Cactus
Echinomastus mariposensis Lloyd's Mariposa cactus
Elaphoglossum serpens No common name
Eleocharis austrotexana No common name
Eleocharis brachycarpa Short-fruited spikerush
Eleocharis cylindrica Cylinder spikerush
Eleocharis wolfii No common name
Elliottia racemosa Georgia plume
Elodea bifoliata Nevada waterweed
Elodea brandegeae Truckee waterweed
Elodea canadensis Nashville waterweed
Elodea schweinitzii Schweinitz's waterweed
Elymus californicus California bottlebrush grass
Elymus svensonii No common name
Elytraria caroliniensis angustifolia Narrowleaf Carolina scalystem
Elytraria caroliniensis caroliniensis No common name
Embelia pacifica No common name
Encelia frutescens resinosa No common name
Enceliopsis covillei Panamint daisy
Enceliopsis nudicaulis var. corrugata Ash Meadows sunray
Encyclia boothiana erythronioides Dollar orchid
Encyclia cochleata var. triandra Clam-shell orchid
Encyclia kranzlinii No common name
Encyclia oncidioides No common name
Ephedra funerea Funeral ephedra
Epidendrum brittonianum No common name
Epidendrum lacerum No common name
Epidendrum strobiliferum Big cypress epidendrum
Epilobium nevadense Nevada willowherb
Epilobium nivium Snow Mountain willowherb
Epilobium oreganum Oregon fireweed
Epilobium siskiyouense Siskiyou rock-fringe
Epithelantha bokei Boke's button cactus
Eragrostis deflexa No common name
Eragrostis fosbergii Fosberg's love grass
Eragrostis leptostachya No common name
Eragrostis mauiensis Maui love grass
Eragrostis paupera No common name
Eragrostis pectinacea Sanibel love grass
Eragrostis variabilis Ni`ihau love grass
Eremalche kernensis Kern mallow
Eriastrum brandegeeae Brandegee eriastrum
Eriastrum densifolium ssp. sanctorum Santa Ana River woolly-star
Eriastrum hooveri Hoover's woolly-star
Ericameria cervina No common name
Ericameria crispa No common name
Ericameria fasciculata Eastwood's goldenweed
Ericameria lignumviridis Greenwood's Heath goldenrod
Ericameria nauseosa var. iridis No common name
Ericameria ophitidis Serpentine haplopappus
Ericameria palmeri ssp. palmeri Palmer's goldenbush
Ericameria watsonii No common name
Ericameria zionis No common name
Erigeron abajoensis Abajo daisy
Erigeron acomanus Acoma fleabane
Erigeron aequifolius Hall's daisy
Erigeron allocotus Branched fleabane
Erigeron anchana Mogollon fleabane
Erigeron arenarioides No common name
Erigeron arizonicus No common name
Erigeron awapensis Awapa Daisy
Erigeron basalticus Basalt daisy
Erigeron bigelovii No common name
Erigeron bloomeri nudatus Waldo daisy
Erigeron calvus [Unnamed] fleabane
Erigeron canaanii No common name
Erigeron carringtonae No common name
Erigeron cervinus Del Norte fleabane
Erigeron chrysopsidis brevifolius No common name
Erigeron cronquistii Cronquist daisy
Erigeron decumbens Willamette daisy
Erigeron flettii No common name
Erigeron flexuosus Trinity Alps daisy
Erigeron foliosus blochmaniae Blockman's leafy-daisy
Erigeron garrettii No common name
Erigeron heligraphicus Pinalenos fleabane
Erigeron hessii Hess's fleabane
Erigeron howellii Howell's fleabane
Erigeron hultenii No common name
Erigeron kachinensis Kachina daisy
Erigeron kuschei Chiricahua fleabane
Erigeron lackshewitz No common name
Erigeron latus [Unnamed] fleabane
Erigeron leibergii No common name
Erigeron lemmonii Lemmon fleabane
Erigeron lobatus No common name
Erigeron maguirei Maguire daisy
Erigeron maguirei harrisonii No common name
Erigeron mancus Depauperate daisy
Erigeron muirii No common name
Erigeron multiceps Kern River daisy
Erigeron oreganus Gorge fleabane
Erigeron ovinus No common name
Erigeron parishii Parish's daisy
Erigeron perglaber No common name
Erigeron piperanus No common name
Erigeron piscaticus Fish Creek fleabane
Erigeron pringlei No common name
Erigeron proselyticus Cliff daisy
Erigeron pulchellus tolsteadii No common name
Erigeron religiosus Clear Creek fleabane
Erigeron rhizomatus Zuni fleabane
Erigeron salmonensis No common name
Erigeron sionis No common name
Erigeron sivinskii No common name
Erigeron sp. Sp. nov. ined. erigeron
Erigeron supplex Supple daisy
Erigeron uncialis conjugans No common name
Erigeron untermannii No common name
Erigeron versicolor Sonora fleabane
Erigeron wilkenii No common name
Erigeron zothecinus No common name
Eriocaulon kornickianum Small-headed pipewort
Eriocaulon nigrobracteatum Blackbract pipewort
Eriocaulon parkeri Parker's pipewort
Eriochloa michauxii simpsonii No common name
Eriodictyon altissimum Indian Knob mountainbalm
Eriodictyon capitatum Lompoc yerba santa
Eriogonum aliquantum Cimarron wild-buckwheat
Eriogonum allenii No common name
Eriogonum alpinum Trinity buckwheat
Eriogonum ammophilum Sand-loving wild-buckwheat
Eriogonum ampullaceum Mono buckwheat
Eriogonum anemophilum [Unnamed] buckwheat
Eriogonum apachense Apache wild-buckwheat
Eriogonum apricum (incl. var. prostratum) Ione (incl. Irish Hill) buckwheat
Eriogonum aretioides Widstoe wild-buckwheat
Eriogonum argophyllum Sulphur Springs buckwheat
Eriogonum beatleyae Beatley buckwheat
Eriogonum bifurcatum Forked buckwheat
Eriogonum brandegeei Brandegee wild-buckwheat
Eriogonum brandegeei Brandegee's Wild Buckwheat
Eriogonum breedlovei breedlovei Piute buckwheat
Eriogonum breedlovei shevockii The Needles buckwheat
Eriogonum butterworthianum Butterworth's buckwheat
Eriogonum caninum Tiburon buckwheat
Eriogonum capillare San Carlos wild-buckwheat
Eriogonum chrysops Golden buckwheat
Eriogonum clavellatum Comb Wash wild-buckwheat
Eriogonum codium Umtanum Desert buckwheat
Eriogonum concinnum No common name
Eriogonum congdonii Congdon's buckwheat
Eriogonum contiguum Reveal's buckwheat
Eriogonum correllii No common name
Eriogonum corymbosum davidsei Corymbed, Davidse wild-buckwheat
Eriogonum corymbosum matthewsae Matthew's wild-buckwheat
Eriogonum corymbosum revealianum Corymbed, Reveal wild-buckwheat
Eriogonum corymbosum var. nilesii Las Vegas buckwheat
Eriogonum crocatum Conejo buckwheat
Eriogonum cronquistii Cronquist wild-buckwheat
Eriogonum crosbyae Crosby's buckwheat
Eriogonum cusickii Cusick's buckwheat
Eriogonum darrovii Darrov's wild-buckwheat
Eriogonum deserticola Desert wild-buckwheat
Eriogonum diatomaceum Churchill Narrows buckwheat
Eriogonum diclinum Jaynes Canyon buckwheat
Eriogonum eastwoodianum Eastwood's buckwheat
Eriogonum ephedroides brevicaule Ephedra wild-buckwheat
Eriogonum eremicola Wild Rose Canyon buckwheat
Eriogonum eremicum Limestone wild-buckwheat
Eriogonum ericifolium ericifolium [Unnamed] wild-buckwheat
Eriogonum ericifolium thornei Thorne's buckwheat
Eriogonum flavum aquilinum [Unnamed] wild-buckwheat
Eriogonum giganteum compactum Santa Barbara Island buckwheat
Eriogonum giganteum formosum San Clemente Island buckwheat
Eriogonum gilmanii Gilman's buckwheat
Eriogonum gossypinum Cottony buckwheat
Eriogonum grande dunklei San Miguel Island buckwheat
Eriogonum grande rubescens Large red buckwheat
Eriogonum grande timorum San Nicolas Island buckwheat
Eriogonum grayi No common name
Eriogonum gypsophilum Gypsum wild-buckwheat
Eriogonum heermannii floccosum Clark Mountain buckwheat
Eriogonum heermannii subracemosum No common name
Eriogonum hirtellum Klamath Mountain buckwheat
Eriogonum hoffmannii hoffmannii Hoffmann's buckwheat
Eriogonum hoffmannii robustius Robust Hoffmann's buckwheat
Eriogonum holmgrenii Holmgren's buckwheat
Eriogonum hylophilum Badlands wild-buckwheat
Eriogonum intrafractum Jointed buckwheat
Eriogonum jamesii rupicola Sandstone wild-buckwheat
Eriogonum kelloggii Red Mountain buckwheat
Eriogonum kennedyi pinicola Cache Peak buckwheat
Eriogonum kennedyi var. austromontanum Southern mountain wild-buckwheat
Eriogonum lagopus No common name
Eriogonum lancifolium Lance leaf wild-buckwheat
Eriogonum latens No common name
Eriogonum lemmonii [Unnamed] buckwheat
Eriogonum lewisii No common name
Eriogonum libertini Dubakella Mountain buckwheat
Eriogonum lobbii robustum No common name
Eriogonum loganum Logan wild-buckwheat
Eriogonum lonchophyllum Spreading wild-buckwheat
Eriogonum lonchophyllum Divide wild-buckwheat
Eriogonum lonchophyllum saurinum Dinosaur wild-buckwheat
Eriogonum longifolium harperi No common name
Eriogonum longifolium var. gnaphalifolium Scrub buckwheat
Eriogonum meledonum [Unnamed] buckwheat
Eriogonum microthecum johnstonii Johnston's buckwheat
Eriogonum microthecum panamintense Panamint Mountains buckwheat
Eriogonum mortonianum Fredonia wild-buckwheat
Eriogonum nanum Dwarf wild-buckwheat
Eriogonum natum No common name
Eriogonum nealleyi Irion County wild-buckwheat
Eriogonum nervulosum Snow Mountain buckwheat
Eriogonum nortonii Pinnacles buckwheat
Eriogonum novonudum No common name
Eriogonum nudum murinum Mouse buckwheat
Eriogonum nummulare No common name
Eriogonum ostlundii Ostlund wild-buckwheat
Eriogonum ovalifolium caelestinum No common name
Eriogonum ovalifolium var. vineum Cushenbury buckwheat
Eriogonum ovalifolium var. williamsiae Steamboat buckwheat
Eriogonum panguicense alpestre Panguitch wild-buckwheat
Eriogonum parvifolium lucidum Point Lobos buckwheat
Eriogonum parvifolium paynei Santa Paula buckwheat
Eriogonum pelinophilum Clay-Loving wild buckwheat
Eriogonum pendulum Waldo buckwheat
Eriogonum polycladon No common name
Eriogonum prociduum Prostrate buckwheat
Eriogonum ripleyi Ripley wild-buckwheat
Eriogonum rubricaule No common name
Eriogonum scopulorum No common name
Eriogonum siskiyouense Siskiyou buckwheat
Eriogonum smithii Smith wild-buckwheat
Eriogonum soredium Frisco buckwheat
Eriogonum suffruticosum Bushy wild-buckwheat
Eriogonum temblorense Temblor buckwheat
eriogonum terrenatum san pedro river wild buckwheat
Eriogonum thompsonae albiflorum Thompson, white-flow wild-buckwheat
Eriogonum thompsonae atwoodii Thompson, Atwood's wild-buckwheat
Eriogonum thompsonae thompsonae Thompson wild-buckwheat
Eriogonum thymoides No common name
Eriogonum tiehmii Tiehm's buckwheat
Eriogonum truncatum Contra Costa buckwheat
Eriogonum tumulosum No common name
Eriogonum twisselmannii Twisselmann's buckwheat
Eriogonum umbellatum humistratum Mt. Eddy buckwheat
Eriogonum umbellatum hypoleium No common name
Eriogonum umbellatum minus Sulfur-flowered, alpine buckwheat
Eriogonum umbellatum torreyanum Donner Pass buckwheat
Eriogonum vestitum Idria buckwheat
Eriogonum viridulum No common name
Eriogonum viscidulum [Unnamed] buckwheat
Eriogonum visheri No common name
Eriogonum wrightii olanchense Olanche Peak buckwheat
Eriogonum zionis coccineum Zion, coccineum wild-buckwheat
Eriogonum zionis zionis Zion, zionis wild-buckwheat
Eriophyllum congdonii Congdon's wooly-sunflower
Eriophyllum lanatum hallii Ft. Tejon wooly-sunflower
Eriophyllum latilobum San Mateo woolly sunflower
Eriophyllum mohavense Barstow wooly-sunflower
Eriophyllum nevinii Nevin's wooly-sunflower
Eriophyllum nubigenum Yosemite wooly-sunflower
Erithalis fruticosa No common name
erodium macrophyllum Large-leaved filaree
Errazurizia rotundata No common name
Eryngium aristulatum hooveri Hoover's button-celery
Eryngium aristulatum var. parishii San Diego button-celery
Eryngium constancei Loch Lomond coyote thistle
Eryngium cuneifolium Snakeroot
Eryngium mathiasiae Mathias' coyote-thistle
Eryngium pendletonensis Pendleton button-clery
Eryngium petiolatum [Unnamed] coyote-thistle
Eryngium pinnatisectum Tuolumne coyote-thistle
Eryngium racemosum Delta coyote-thistle
Eryngium spinosepalum Spinysepaled eryngo
Erysimum ammophilum Coast wallflower
Erysimum asperum angustatum [Unnamed] wallflower
Erysimum capitatum var. angustatum Contra Costa wallflower
Erysimum franciscanum San Francisco wallflower
Erysimum insulare insulare Island wallflower
Erysimum menziesii Menzies' wallflower
Erysimum teretifolium Ben Lomond wallflower
Erythrina eggersii Pinon espinoso or cockspur
Erythronium citrinum rodrickii Lemon colored fawn-lily
Erythronium cliftonii No common name
Erythronium elegans No common name
Erythronium grandiflorum nudipetalum No common name
Erythronium grandiflorum pusateri Kaweah Lakes fawn-lily
Erythronium helenae No common name
Erythronium howellii Howell's fawn-lily
Erythronium oregonum No common name
Erythronium propullans Minnesota dwarf trout lily
Erythronium tuolumnense Tuolumne fawn-lily
Eschscholzia multiflora twisselmannii No common name
Eschscholzia procera Kernville poppy
Eschscholzia ramosa Island poppy
Eschscholzia rhombipetala Diamond-petaled poppy
Escobaria albicolumnaria White column cory cactus
escobaria alversonii Foxtail cactus
Escobaria guadalupensis Guadalupe pincushion cactus
Escobaria hesteri Hester's cory cactus
Escobaria missouriensis var. marstonii [Unnamed] cory cactus
Escobaria villardii Villard's pincushion cactus
Escobaria vivipara rosea Rose-flowered foxtail cactus
Escobaria vivipara var. buoflama [Unnamed] cory cactus
Esenbeckia berlandieri None
Eucephalus glaucescens [Unnamed] aster
Eucephalus gormanii Gorman aster
Eucephalus tomentellus Brikellbush aster
Eucephalus vialis Wayside aster
Eugenia bellonis No common name
Eugenia bryanii No common name
Eugenia haematocarpa Uvillo
Eugenia koolauensis Nioi
Eugenia margarettae No common name
Eugenia underwoodii No common name
Eugenia woodburyana No common name
Eupatorium altissimum No common name
Eupatorium leucolepis novae-angliae White-bracted, New England thoroughwort
Eupatorium paludicola Swamp justiceweed
Eupatorium resinosum Pine barrens boneset
Eupatorium resinosum kentuckiense [Unnamed] thoroughwort
Euphorbia austrina No common name
Euphorbia celastroides halawana No common name
Euphorbia celastroides haupuana No common name
Euphorbia celastroides humbertii No common name
Euphorbia celastroides kohalana No common name
Euphorbia celastroides nelsonii No common name
Euphorbia celastroides nematopoda No common name
Euphorbia celastroides saxicola No common name
Euphorbia celastroides var. kaenana `Akoko
Euphorbia celastroides waikoluensis No common name
Euphorbia degeneri molokaiensis No common name
Euphorbia deppeana `Akoko
Euphorbia discoidalis No common name
Euphorbia eleanoriae `Akoko
Euphorbia exserta No common name
Euphorbia haeleeleana `Akoko
Euphorbia halemanui ''Akoko
Euphorbia herbstii `Akoko
Euphorbia innocua No common name
Euphorbia kuwaleana `Akoko
Euphorbia macropus No common name
euphorbia misera Cliff spurge
Euphorbia nephradenia Paria spurge
Euphorbia purpurea Darlington's spurge
Euphorbia remyi var. kauaiensis `Akoko
Euphorbia remyi var. remyi `Akoko
Euphorbia rockii `Akoko
Euphorbia roemeriana No common name
Euphorbia rosescens Rosy-pink spurge
Euphorbia skottsbergii var. skottsbergii Ewa Plains `akoko
Euphorbia strictior No common name
Euphorbia telephioides Telephus spurge
Eurhychium pringlei No common name
Eurya sandwicensis No common name
Eurybia avita Alexander's rock-aster
Eurybia eryngiifolia Coyote-thistle aster
Eurybia furcata [Unnamed] aster
Eurybia hemispherica [Unnamed] aster
Eurybia mirabilis Piedmont Aster
Eurybia saxicastellii Rockcastle aster
Eurybia schreberi [Unnamed] aster
Eurybia spinulosa [Unnamed] aster
Eurytaenia hinckleyi No common name
Eutrema penlandii Penland alpine fen mustard
Exocarpos gaudichaudii No common name
Exocarpos luteolus Heau
Exocarpos menziesii Heau
Ferocactus acanthodes acanthodes Viznaga
Ferocactus eastwoodiae No common name
Ferocactus viridescens Coast barrel cactus
Festuca dasyclada Sedge fescue
Festuca hallii No common name
Festuca hawaiiensis No common name
Festuca ligulata Guadalupe fescue
Festuca molokaiensis No common name
Filipendula occidentalis Queen-of-the-forest
Fimbristylis hawaiiensis No common name
Fimbristylis perpusilla Harper's fimbristylis
Fimbristylis thermalis Hot springs fimbristylis
Fissidens appalachensis Appalachian Fissidens moss
Fissidens hallii Hall's Pocket moss
Fitzroya cupressoides Chilean false larch
Flaveria mcdougalii MacDougal''s Yellowtops
Flueggea neowawraea Mehamehame
Flyriella parryi No common name
Forchhammeria polyandra No common name
Forestiera godfreyi Godfry's privet
Forestiera segregata pinetorum No common name
Fothergilla gardenii Dwarf witch-alder
Frankenia johnstonii Johnston's frankenia
Franklinia alatamaha Franklin tree
Frasera coloradensis No common name
Frasera fastigiata Umpqua green-gentian
Frasera gypsicola [Unnamed] green-gentian
Frasera idahoensis No common name
Frasera pahutensis [Unnamed] green-gentian
Frasera puberulenta No common name
Frasera tubulosa No common name
Fraxinus anomala lowellii [Unnamed] ash
Fraxinus cuspidata macropetala Large-petaled ash
Fraxinus gooddingii Goodding's ash
Fremontodendron californicum ssp. decumbens Pine Hill flannelbush
Fremontodendron mexicanum Mexican flannelbush
Fritillaria agrestis Stink bells
Fritillaria atropurpurea Diamond Lake mission-bells
Fritillaria brandegeei Greenhorn fritillary
Fritillaria eastwoodiae Butte fritillary
Fritillaria falcata Talus fritillary
Fritillaria gentneri Gentner's Fritillary
Fritillaria grayana Roderick's fritillary
Fritillaria liliacea Fragrant fritillary
Fritillaria ojaiensis Ojai frtillary
Fritillaria pluriflora [Unnamed] adobe-lily
Fritillaria striata Greenhorn adobe-lily
Fritillaria viridea San Benito fritillary
Fryxellia pygmaea Small fryxell wort
Gahnia lanaiensis No common name
Gaillardia aestivalis winkleri White blanketflower
Gaillardia flava Yellow blanketflower
Galactia eggersii No common name
Galactia pinetorum [Unnamed] milkpea
Galactia smallii Small's milkpea
Galinsoga semicalva percalva No common name
Galium andrewsii gatense [Unnamed] bedstraw
Galium angustifolium borregoense Borrego bedstraw
galium angustifolium ssp. jacinticum San Jacinto Mountains bedstraw
Galium buxifolium Island bedstraw
Galium californicum luciense Cone Peak bedstraw
Galium californicum miguelense San Miguel Island bedstraw
Galium californicum primum San Jacinto bedstraw
Galium californicum ssp. sierrae El Dorado bedstraw
Galium catalinense acrispum San Clemente island bedstraw
Galium clementis Santa Lucia bedstraw
Galium collomae [Unnamed] bedstraw
Galium correllii Cliff bedstraw
Galium glabrescens modocense Modoc bedstraw
Galium grande San Gabriel bedstraw
Galium hardhamiae Hardham's bedstraw
Galium hilendiae kingstonense Kingston bedstraw
Galium hypotrichium tomentellum Telescope Peak bedstraw
Galium serpenticum scotticum Scott Mountains bedstraw
Galium serpenticum warnerense Warner Mountains bedstraw
Gambelia speciosa Island snapdragon
Gardenia brighamii Hawaiian gardenia (=Na`u)
Gardenia mannii Nanu
Gardenia remyi Nanu
Gardenia taitensis No common name
Gaura demareei No common name
Gaura neomexicana var. coloradensis Colorado Butterfly plant
Gaylussacia brachycera Box huckleberry
Genistidium dumosum [Unnamed] bush-pea
Gentiana austromontana No common name
Gentiana autumnalis Pine barren gentian
Gentiana fremontii Moss gentian
Gentiana latidens Balsam Mountain Gentian
Gentiana pennelliana Wiregrass gentian
Gentiana plurisetosa Klamath gentian
Gentiana setigera Mendocino gentian
Gentiana villosa [Unnamed] gentian
Gentianella propinqua aleutica No common name
Gentianella wislizenii No common name
Geocarpon minimum No common name
Geranium arboreum Nohoanu
Geranium caespitosum [Unnamed] geranium
Geranium caespitosum [Unnamed] geranium
Geranium cuneatum hololeucum Native geranium
Geranium hanaense Nohoanu
Geranium hillebrandii Nohoanu
Geranium kauaiense Nohoanu
Geranium multiflorum Nohoanu
Gesneria pauciflora No common name
Geum geniculatum Bent avens
Geum lobatum Lobed Barren Strawberry
Geum peckii Mountain avens
Geum radiatum Spreading avens
Gilia maculata Little San Bernardino Mountains gilia
Gilia mcvickerae No common name
Gilia nyensis No common name
Gilia pentstemonoides No common name
Gilia ripleyi No common name
Gilia sedifolia Stonecrop Gily flower
Gilia tenuiflora ssp. arenaria Monterey gilia
Gilia tenuiflora ssp. hoffmannii Hoffmann's slender-flowered gilia
Gilia tenuis Mussentuchit gilia
Gilmania luteola Golden carpet
Githopsis diffusa filicaulis Mission Canyon bluecup
Glandularia maritima No common name
Glandularia tampensis [Unnamed] vervain
Gloeocantharellus purpurascens Indian Creek mushroom
glossopetalon clokeyi Clokey greasebush
Glossopetalon clokeyi Clokey's forsellesia
Glossopetalon pungens glabra Smooth pungent forsellesia
Glossopetalon texense Texas greasebush
Glyceria nubigena Smoky Mountains manna grass
Gnaphalium obtusifolium saxicola Saxicola rock catfoot
Gnaphalium sandwicensium flagellare Whip `ena`ena
Goetzea elegans Beautiful goetzea
Gonocalyx concolor No common name
Gossypium tomentosum Hawaiian cotton
Gouania hillebrandii No common name
Gouania meyenii No common name
Gouania vitifolia No common name
Gouldia st-johnii munroi No common name
Gouldia terminalis bobeoides No common name
Gouldia terminalis congesta No common name
Gouldia terminalis crassicaulis No common name
Gouldia terminalis degeneri No common name
Gouldia terminalis lanai No common name
Gouldia terminalis parvifolia No common name
Gouldia terminalis pseudodichotoma No common name
Gouldia terminalis pubescens No common name
Gouldia terminalis quadrangularis No common name
Gouldia terminalis rotundifolia No common name
Gouldia terminalis subcordata No common name
Graffenrieda ottoschulzii Petites Graines camasey
Grammitis nimbata Dwarf polypody
Graphis sterlingiana Sterlings lips
Graptopetalum bartramii Bartram stonecrop
Graptopetalum rusbyi No common name
Gratiola heterosepala Boggs Lake hedge-hyssop
Grimmia americana American dry rock moss
Grindelia fraxinipratensis Ash Meadows gumplant
Grindelia hirsuta maritima San Francisco gumplant
Grindelia hirsutula Cuyamaca gumplant
Grindelia howellii Howell's gumplant
Grindelia oolepis Plains gumweed
Grindelia stricta blakei Humboldt Bay gumplant
Gunnera petaloidea No common name
Gunnera petaloidea No common name
Gutierrezia californica Bay matchweed
Gutierrezia petradoria No common name
Gutierrezia sarothrae No common name
Gutierrezia sarothrae pomariensis No common name
Gutierrezia wrightii No common name
Gymnocarpium heterosporum No common name
Gymnocarpium sp. Sp. nov. ined. (Appalachian) oak fern
Gymnoderma lineare Rock gnome lichen
Gymnopogon chapmanianus No common name
Hackelia brevicula Poison Canyon stickseed
Hackelia cronquistii Cronquist's stickseed
Hackelia davisii Davis' stickseed
Hackelia gracilenta Mesa Verde stickleaf
Hackelia hispida No common name
Hackelia ibapensis [Unnamed] stickseed
Hackelia ophiobia [Unnamed] stickseed
Hackelia sharsmithii Sharsmth's stickseed
Hackelia venusta Showy stickseed
Halimolobos perplexa lemhiensis No common name
Halimolobos perplexa perplexa No common name
Halimolobos virgata Virgate halimolobus
Halophila johnsonii Johnson's seagrass
Haplopappus carthamoides subsquarrosus No common name
Haplopappus fremontii monocephalus [Unnamed] goldenweed
Haplopappus palmeri palmeri Palmer's haplopappus
Haplopappus racemosus congestus No common name
Haplopappus spinulosus laevis No common name
Haplostachys bryanii No common name
Haplostachys haplostachya Honohono
Haplostachys linearifolia No common name
Haplostachys munroi No common name
Haplostachys truncata No common name
Harpagonella palmeri Palmer's grapplinghook
Harpagonella palmeri palmeri Palmer's grapplinghook
Harperocallis flava Harper's beauty
Harrisia (=Cereus) aboriginum (=gracilis) Aboriginal Prickly-apple
Harrisia portoricensis Higo Chumbo
Hartwrightia floridana Florida hartwrightia
Hastingsia atropurpurea No common name
Hastingsia bracteosa No common name
Hazardia brickellioides No common name
Hazardia cana Island hazardia
Hazardia orcuttii Orcutt's hazardia
Hechtia texensis No common name
Hedeoma apiculatum Mckittrick pennyroyal
Hedeoma dentatum No common name
Hedeoma diffusum Flagstaff pennyroyal
Hedeoma molle No common name
Hedeoma nanum californicum No common name
Hedeoma pilosum Old Blue mock pennyroyal
Hedeoma pulcherrimum No common name
Hedeoma todsenii Todsen's pennyroyal
Hedyotis angusta angusta No common name
Hedyotis angusta umbrosa Narrow-leaved hedyotis
Hedyotis butterwickiae Mary's bluet
Hedyotis elatior No common name
Hedyotis foliosa No common name
Hedyotis formosa No common name
Hedyotis glaucifolia helleri No common name
Hedyotis littoralis No common name
Hedyotis megalantha Paudedo
Hedyotis nigricans pulvinata [Unnamed] diamondflowers
Hedyotis purpurea var. montana Roan Mountain bluet
Hedyotis remyi nuttallii No common name
Hedyotis remyi plana No common name
Hedyotis schlechtendahliana nuttallii No common name
Hedyotis schlechtendahliana plana No common name
Hedyotis schlechtendahliana reticulata No common name
Hedyotis tryblium No common name
Hedysarum boreale gremiale No common name
Hedysarum occidentale canone No common name
Helenium arizonicum No common name
Helenium virginicum Virginia sneezeweed
Helianthella castanea Diablo rock-rose
Helianthemum dumosum Bushy rush-rose
Helianthemum greenei Island rush-rose
Helianthemum scoparium Amador rush-rose
Helianthus carnosus No common name
Helianthus debilis vestitus Gulf beach sunflower
Helianthus deserticola No common name
Helianthus eggertii Eggert's sunflower
Helianthus exilis Serpentine sunflower
Helianthus glaucophyllus No common name
Helianthus laciniatus crenatus No common name
Helianthus niveus tephrodes Algodones Dunes sunflower
Helianthus nuttallii parishii Los Angeles sunflower
Helianthus occidentalis ssp. plantagineus Shinner's sunflower
Helianthus paradoxus Pecos (=puzzle, =paradox) sunflower
Helianthus porteri No common name
Helianthus praecox hirtus Dimmit sunflower
Helianthus praetermissus No common name
Helianthus schweinitzii Schweinitz's sunflower
Helianthus smithii No common name
Helianthus verticillatus Whorled Sunflower
Heliomeris soliceps Paria sunflower
Heliotropium guanicense Cotorrilla
Heliotropium polyphyllum horizontale No common name
Helonias bullata Swamp pink
Hemizonia arida Red Rock tarweed
Hemizonia floribunda Tecate tarweed
Hemizonia halliana Hall's tarweed
Hemizonia minthornii Santa Susana tarweed
Hemizonia mohavensis Mojave tarweed
Hemizonia multicaulis multicaulis Seaside tarweed
Hemizonia multicaulis vernalis Tiburon tarweed
Hemizonia parryi australis Southern tarplant
Hemizonia parryi congdonii Pappose spikeweed
Hemizonia pungens laevis Smooth tarplant
Heritiera longipetiolata Ufa-halomtano
Hermidium alipes pallidum No common name
Herricka horrida No common name
Hesperocnide sandwicensis No common name
Hesperolinon adenophyllum Glandular dwarf-flax
Hesperolinon bicarpellatum Two carpeled dwarf-flax
Hesperolinon breweri Brewer's dwarf-flax
Hesperolinon congestum Marin dwarf-flax
Hesperolinon didymocarpum Lake County dwarf-flax
Hesperolinon drymarioides Drymaria dwarf-flax
Hesperolinon tehamense Tehama dwarf-flax
Hesperomannia arborescens No common name
Hesperomannia arbuscula No common name
Hesperomannia lydgatei No common name
Heterodermia erinacea No common name
Heterotheca jonesii Jones golden aster
Heterotheca rutteri No common name
Heuchera americana hispida [Unnamed] alumroot
Heuchera brevistaminea Laguna alumroot
Heuchera duranii Duran's alumroot
Heuchera hirsutissima shaggyhair alumroot
Heuchera maxima Island alumroot
Heuchera missouriensis No common name
Heuchera villosa arkansana No common name
Hexalectris colemanii Colemans coralroot
Hexalectris grandiflora Greenman's hexalectris
Hexalectris nitida Glass Mountain coral-root
Hexalectris revoluta Chisos coral-root
Hexalectris warnockii Purple, Texas spike
Hexastylis contracta No common name
Hexastylis lewisii [Unnamed] heartleaf
Hexastylis naniflora Dwarf-flowered heartleaf
Hexastylis rhombiformis French Broad heartleaf
Hexastylis speciosa Harper's heartleaf
Hibiscadelphus bombycinus No common name
Hibiscadelphus crucibracteatus Hau kuahiwi
Hibiscadelphus distans Kauai hau kuahiwi
Hibiscadelphus giffardianus Hau kuahiwi
Hibiscadelphus hualalaiensis Hau kuahiwi
Hibiscadelphus wilderanus No common name
Hibiscadelphus woodii Hau kuahiwi
Hibiscus arnottianus ssp. immaculatus Koki`o ke`oke`o
Hibiscus brackenridgei (=Native yellow hibiscus) ma`o hau hele
Hibiscus californicus California hibiscus
Hibiscus clayi Clay's hibiscus
Hibiscus dasycalyx Neches River rose-mallow
Hibiscus kokio Pualoalo
Hibiscus waimeae ssp. hannerae Koki`o ke`oke`o
Hibiscus waimeae waimeae No common name
hieracium fendleri Mogollon hawkweed
Hieracium longiberbe No common name
Hieracium pringlei Pringle hawkweed
Hieracium robinsonii [Unnamed] hawkweed
Hoffmannseggia tenella Slender rush-pea
hoita strobilina Loma Prieta hoita
Hollisteria lanata Hollisteria
Holmgrenanthe petrophila Rock lady
Holocarpha macradenia Santa Cruz tarplant
Holocarpha virgata elongata No common name
hordeum intercedens Vernal barley
Horkelia bolanderi Bolander's horkelia
Horkelia congesta ssp. congesta shaggy horkelia
Horkelia cuneata sericea Wedge-leaved horkelia
Horkelia hendersonii Henderson's horkelia
Horkelia marinensis Point Reyes horkelia
Horkelia parryi Parry's horkelia
Horkelia truncata Ramona cinquuefoil
Horkelia tularensis Tulare horkelia
Horkelia wilderae Barton Flats horkelia
Houstonia caerulea faxonorum Alpine bluet
Howellia aquatilis Water howellia
Howelliella ovata Oval-leaved snapdragon
Hudsonia montana Mountain golden heather
Hulsea californica Laguna Mountains sunflower
Hulsea vestita inyoensis Inyo hulsea
Hulsea vestita ssp. callicarpha Beautiful Hulsea
Huperzia acerosa [Unnamed] clubmoss
Huperzia haleakalae No common name
Huperzia mannii Wawae`iole
Huperzia nutans Wawae`iole
Huperzia stemmermanniae No common name
Hydrastis canadensis Goldenseal
Hydrophyllum capitatum thompsonii Ballhead, Thompson's waterleaf
Hymenocallis coronaria Shoals spider-lily
Hymenocallis godfreyi Godfrey's spiderlily
Hymenocallis henryae Henry's spider-lily
Hymenocallis latifolia No common name
Hymenoclea sandersonii Sanderson's Cheesebush
Hymenopappus filifolius idahoensis No common name
Hymenopappus filifolius tomentosus Cobweb hymenopappus
Hymenophyllum tayloriae gorge filmy fern
Hymenophyllum tunbrigense Tunbridge fern
Hymenoxys ambigens var. floribunda Apache Pass rubberweed
Hymenoxys helenioides No common name
Hymenoxys herbacea Lakeside daisy
Hymenoxys lapidicola No common name
Hymenoxys quinquesquamata No common name
Hymenoxys subintegra No common name
Hymenoxys texana Texas prairie dawn-flower
Hypericum adpressum No common name
Hypericum cumulicola Highlands scrub hypericum
Hypericum dolabriforme No common name
Hypericum edisonianum Edison's ascyrum
Hypericum lissophloeus Smooth barked St. John’s wort
Hypericum radfordiorum Radford's St. John's Wort
Hypericum sp. 1 Radford's St. John's Wort
Hypolepis hawaiiensis var. mauiensis olua
Hypotrachyna virginica Flaky square britches
Hypoxis sessilis [Unnamed] star-grass
Ilex amelanchier [Unnamed] holly
Ilex collina Long-stalked holly
Ilex cookii Cook's holly
Ilex opaca arenicola No common name
Ilex sintenisii No common name
Iliamna corei Peter's Mountain mallow
Iliamna remota Kankakee globe-mallow
Illicium parviflorum Yellow anisetree
Indigofera mucronata var. keyensis Florida indigo
ionactis caelestis Red Rock Canyon aster
Ionactis elegans No common name
Ipomoea cairica lineariloba No common name
Ipomoea cardiophylla No common name
Ipomoea krugii Krug's white morning-glory
Ipomoea plummerae [Unnamed] morning-glory
Ipomoea tenuiloba lemmonii Lemmon's morning-glory
Ipomopsis aggregata webberi No common name
Ipomopsis globularis No common name
Ipomopsis polyantha Pagosa skyrocket
Ipomopsis sancti-spiritus Holy Ghost ipomopsis
Ipomopsis spicata robruthii No common name
Iris lacustris Dwarf lake iris
Iris missouriensis [Unnamed] iris
Iris tenax gormanii [Unnamed] iris
Iris tenax klamathensis Klamath iris
Iris tenuis Clackamas iris
Ischaemum byrone Hilo ischaemum
Isocoma arguta Goldenbush
Isodendrion hosakae Aupaka
Isodendrion laurifolium Aupaka
Isodendrion longifolium Aupaka
Isodendrion pyrifolium Kula wahine noho
Isoetes bolanderi pygmaea Pygmy quillwort
Isoetes eatonii Eaton's quillwort
Isoetes flaccida [Unnamed] quillwort
Isoetes foveolata Pitted quillwort
Isoetes hyemalis Winter quillwort
Isoetes lithophila Rock quillwort
Isoetes louisianensis Louisiana quillwort
Isoetes melanospora Black spored quillwort
Isoetes microvela Thin-wall quillwort
Isoetes orcuttii Orcutt's quillwort
Isoetes tegetiformans Mat-forming quillwort
Isoetes virginica Virginia quillwort
Isotria medeoloides Small whorled pogonia
Iva hayesiana San Diego marsh elder
Ivesia aperta aperta Sierra Valley ivesia
Ivesia aperta canina Dog Valley ivesia
Ivesia argyrocoma Silver-haired ivesia
Ivesia callida Tahquitz ivesia
Ivesia cryptocaulis No common name
Ivesia jaegeri No common name
Ivesia kingii var. eremica Ash Meadows ivesia
Ivesia longibracteata No common name
Ivesia multifoliolata No common name
Ivesia paniculata Ash Creek ivesia
Ivesia patellifera Kingston Mountains cinquefoil
Ivesia pickeringii Pickering ivesia
Ivesia pityocharis Pine Nut Mountains ivesia
Ivesia rhypara rhypara Grimy ivesia
Ivesia rhypara shellyi Venator Canyon, Shelly's ivesia
Ivesia sericoleuca Plumas ivesia
Ivesia shockleyi ostleri No common name
Ivesia webberi Webber's ivesia
Jacquemontia curtissii Pineland jacquemontia
Jacquemontia reclinata Beach jacquemontia
Jamesia americana zionis No common name
Jamesianthus alabamensis Alabama jamesianthus
Jamesia tetrapetala No common name
Jaquinia umbellata No common name
Jatropha costaricensis Costa Rican jatropha
Jepsonia malvifolia Island jepsonia
Joinvillea ascendens ascendens `Ohe
Juglans californica hindsii Northern California black walnut
Juglans californica var. californica California walnut
Juglans cinerea Butternut
Juglans jamaicensis West Indian Walnut (=Nogal)
Juncus caesariensis New Jersey rush
Juncus gymnocarpus [Unnamed] rush
Juncus leiospermus leiospermus Red Bluff rush
Juncus leiospermus var. ahartii Ahart's dwarf rush
Juncus mertensianus No common name
Juncus oronensis [Unnamed] rush
Juncus pervetus Bog, Barnstable rush
Juncus trifidus carolinianus No common name
Justicia americana [Unnamed] water-willow
Justicia borinquensis No common name
Justicia cooleyi Cooley's water-willow
Justicia crassifolia Thick-leaved water-willow
Justicia culebritae No common name
Justicia runyonii Runyon's water-willow
Justicia warnockii No common name
Justicia wrightii Wright's water-willow
Kadua cookiana 'Awiwi
Kadua cordata remyi kopa
Kadua coriacea Kio`ele
Kadua degeneri No common name
Kadua fluviatilis Kamapua`a
Kadua haupuensis No common name
Kadua laxiflora pilo
Kadua parvula No common name
Kadua st.-johnii No common name
Kallstroemia perennans Perennial caltrop
Kalmia cuneata White-wicky
Kalmiopsis leachiana No common name
Kanaloa kahoolawensis Kohe malama malama o kanaloa
Keysseria (=Lagenifera) erici No common name
Keysseria (=Lagenifera) helenae No common name
Koanophyllon droserolepis Oreganillo
Kokia cookei Cooke's koki`o
Kokia drynarioides Koki`o
Kokia kauaiensis Koki`o
Kokia lanceolata Koki`o
Korthalsella degeneri Hulumoa
Kosteletzkya pentacarpos Virginia saltmarsh mallow
Labordia cyrtandrae Kamakahala
Labordia decurrens decurrens No common name
Labordia fagraeoidea fagraeoidea Kamakahala
Labordia fagraeoidea longisepala No common name
Labordia fagraeoidea saint-johniana No common name
Labordia fagraeoidea waianaeana No common name
Labordia hedyosmifolia Bog labordia
Labordia hedyosmifolia No common name
Labordia hedyosmifolia kilaueana No common name
Labordia hedyosmifolia magnifolia No common name
Labordia hedyosmifolia robusta No common name
Labordia hedyosmifolia rockii No common name
Labordia hedyosmifolia skottsbergii No common name
Labordia helleri Kamakahala
Labordia hirtella No common name
Labordia hirtella Mountain Labordia
Labordia hirtella Mountain Labordia
Labordia hirtella Mountain Labordia
Labordia hirtella Mountain Labordia
Labordia hirtella Mountain Labordia
Labordia hirtella imbricata No common name
Labordia hirtella laevis No common name
Labordia hirtella laevisepala No common name
Labordia hirtella microcalyx No common name
Labordia hirtella microphylla No common name
Labordia kaalae brachypoda No common name
Labordia kaalae fosbergii No common name
Labordia kaalae mendax No common name
Labordia lorenciana No common name
Labordia lydgatei Kamakahala
Labordia molokaiana molokaiana No common name
Labordia molokaiana munroi No common name
Labordia molokaiana setosa No common name
Labordia pumila Kamakahala
Labordia tinifolia euphorbioidea No common name
Labordia tinifolia forbesii No common name
Labordia tinifolia honolulensis No common name
Labordia tinifolia microgyna No common name
Labordia tinifolia parvifolia No common name
Labordia tinifolia tenuifolia No common name
Labordia tinifolia var. lanaiensis Kamakahala
Labordia tinifolia var. wahiawaensis Kamakahala
Labordia triflora Kamakahala
Lachnocaulon beyrichianum No common name
Lachnocaulon digynum Tiny bog buttons
Laennecia eriophylla [Unnamed] fleabane
Lantana depressa No common name
Laplacea portoricensis Nino de cota
Lasthenia burkei Burke's goldfields
Lasthenia conjugens Contra Costa goldfields
Lasthenia glabrata coulteri Seaside, Coulter's daisy
Lasthenia leptalea Salinas Valley baeria
Lasthenia macrantha prisca Slender meadowfoam
Lasthenia maritima Seaside goldfields
Lathyrus biflorus Two-flowered lathyrus
Lathyrus grimesii Grimes vetchling
Lathyrus hitchcockianus Bullfrog Mountain wild pea
Lathyrus holochlorus No common name
Lathyrus jepsonii jepsonii Delta tule-pea
Lathyrus torreyi Torrey's pea
Lavatera assurgentiflora Island tree mallow
Layia carnosa Beach layia
Layia discoidea Rayless layia
Layia heterotricha Pale-yellow layia
Layia jonesii Jones layia
Layia leucopappa Comanche layia
Layia platyglossa Ziegler's layia
Leavenworthia alabamica brachystyla [Unnamed] glade cress
Leavenworthia alabamica ssp. alabamica Alabama glade cress
Leavenworthia aurea Golden glade cress
Leavenworthia crassa Fleshy-fruit gladecress
Leavenworthia crassa elongata [Unnamed] glade cress
Leavenworthia exigua exigua No common name
Leavenworthia exigua laciniata Kentucky glade cress
Leavenworthia exigua lutea [Unnamed] glade cress
Leavenworthia stylosa No common name
Leavenworthia texana Texas golden Gladecress
Leavenworthia torulosa Necklace gladecress
Lecanora masana No common name
Lecanora xanthosora No common name
Lechea cernua No common name
Lechea divaricata No common name
Lechea lakelae No common name
Lechea maritima virginica Beach, Virginian pinweed
Lechea mensalis Chisos pinweed
Legenere limosa Legenere
Legousia speculum-veneris Lake Alamanor bluecup
Leitneria floridana Corkwood
Lejeunea blomquistii No common name
Lenophyllum texanum Texas stonecrop
Lepanthes dodiana No common name
Lepanthes eltoroensis No common name
Lepanthopsis melanantha Tiny orchid
Lepechinia cardiophylla Heart-leaved pitcher-sage
Lepechinia ganderi Gander's pitcher-sage
Lepidium arbuscula `Anaunau
Lepidium barnebyanum Barneby ridge-cress
Lepidium bidentatum o-waihiense `Anaunau
Lepidium bidentatum remyi Remy's `anaunau
Lepidium davisii Davis' pepper cress
Lepidium flavum felipense Borrego Valley peppergrass
Lepidium huberi Huber's Pepperwort
Lepidium integrifolium Thickleaf Pepperwort
Lepidium jaredii album Panoche peppergrass
Lepidium jaredii jaredii Jared's peppergrass
Lepidium latipes var. heckardii Heckard's Dwarf Pepper-grass
Lepidium montanum neeseae No common name
Lepidium montanum stellae Kodachrome peppergrass
Lepidium nanum No common name
Lepidium orbiculare No common name
Lepidium ostleri Ostler's peppergrass
Lepidium papilliferum Slickspot peppergrass
Lepidium serra `Anaunau
lepidium virginicum var. robinsonii Robinson's pepper-grass
Lepidospartum burgessii Gypsum scalebroom
Lepraria lanata Appalachian dust bunnies
Leptocereus grantianus No common name
Leptocereus quadricostatus [Unnamed] sebucan
Leptodactylon glabrum No common name
Leptodactylon jaegeri San Jacinto prickly-phlox
Leptodactylon pungens hazeliae No common name
Leptodactylon sp. Sp. nov. ined. leptodactylon
Leptothymenium sharpii Mt. Leconte moss
Lespedeza leptostachya Prairie bush-clover
Lesquerella angustifolia Thread-leaved bladder-pod
Lesquerella arctica scammanae No common name
Lesquerella aurea Golden bladder-pod
Lesquerella carinata Keeled bladderpod
Lesquerella condensata No common name
Lesquerella congesta Dudley Bluffs bladderpod
Lesquerella densipila Duck River bladder-pod
Lesquerella fremontii Fremont's bladder-pod
Lesquerella garrettii Garrett bladder-pod
Lesquerella gooddingii Gooddings bladder-pod
Lesquerella hitchcockii [Unnamed] bladder-pod
Lesquerella humilis [Unnamed] bladderpod
Lesquerella kaibabensis Kaibab bladderpod
Lesquerella kingii diversifolia [Unnamed] bladder-pod
Lesquerella kingii ssp. bernardina San Bernardino Mountains bladderpod
Lesquerella lata Lincoln County bladder-pod
Lesquerella lescurii [Unnamed] bladder-pod
Lesquerella lesicii Pryor Mountains Bladderpod
Lesquerella lyrata Lyrate bladderpod
Lesquerella macrocarpa Large-fruited bladder-pod
Lesquerella mcvaughiana [Unnamed] bladder-pod
lesquerella navajoensis No common name
Lesquerella pallida White bladderpod
Lesquerella parviflora [Unnamed] bladder-pod
Lesquerella paysonii [Unnamed] bladderpod
Lesquerella perforata Spring Creek bladderpod
Lesquerella pruinosa [Unnamed] bladder-pod
Lesquerella rubicundula Bryce bladder-pod
Lesquerella thamnophila Zapata bladderpod
Lesquerella tumulosa Kodachrome bladderpod
Lesquerella valida Strong bladder-pod
Lessingia arachnoidea No common name
Lessingia germanorum (=L.g. var. germanorum) San Francisco lessingia
Lessingia glandulifera tomentosa Warner Springs lessingia
Lessingia micradenia glabrata No common name
Lessingia micradenia micradenia No common name
Lewisia cantelowii Cantelow's lewisia
Lewisia columbiana wallowensis No common name
Lewisia congdonii Congdon's lewisia
Lewisia cotyledon heckneri Heckner's lewisia
Lewisia cotyledon howellii Howell's lewisia
Lewisia cotyledon purdyi No common name
Lewisia cotyledon ssp. Fringed (unnamed ssp.) lewisia
Lewisia disepala Yosemite bitterroot
Lewisia longipetala Long-petaled lewisia
Lewisia maguirei No common name
Lewisia oppositifolia Opposite-leaved lewisia
Lewisia serrata Saw-toothed lewisia
Lewisia stebbinsii Stebbins lewisia
Liatris borealis [Unnamed] blazingstar
Liatris cymosa No common name
Liatris helleri Heller's blazingstar
Liatris ohlingerae Scrub blazingstar
Liatris provincialis Godfrey's blazingstar
Liatris tenuis Slender gay-feather
Ligusticum porteri brevilobum No common name
Lilaeopsis carolinensis No common name
Lilaeopsis masonii Mason's lilaeopsis
Lilaeopsis schaffneriana var. recurva Huachuca water-umbel
Lilium bolanderi Bolander's lily
Lilium fairchildii Fairchild's lily
Lilium grayi Gray's lily
Lilium humboldtii ocellatum Humboldt lily
Lilium iridollae Panhandle lily
Lilium maritimum Coast lily
Lilium occidentale Western lily
Lilium pardalinum ssp. pitkinense Pitkin Marsh lily
Lilium pardalinum ssp. vollmeri Vollmer's lily
Lilium pardalinum ssp. wigginsii Wiggins' lily
Lilium parryi Lemon lily
Lilium washingtonianum minus Small Shasta lily
Limbella fryei No common name
Limnanthes bakeri Baker's meadowfoam
Limnanthes douglasii sulphurea Point Reyes meadowfoam
Limnanthes floccosa bellingeriana Bellinger's meadowfoam
Limnanthes floccosa ssp. californica Butte County meadowfoam
Limnanthes floccosa ssp. pumila Dwarf meadowfoam
Limnanthes gracilis parishii Parish's meadowfoam
Limnanthes gracilis ssp. gracilis slender meadowfoam
Limnanthes pumila ssp. grandiflora Large-flowered woolly meadowfoam
Limnanthes vinculans Sebastopol meadowfoam
Limonium carolinianum angustatum [Unnamed] sea-lavender
Limonium limbatum No common name
Limosella pubiflora Chiricahua mudwort
Linanthus arenicola Sand linanthus
Linanthus bellus Desert beauty
Linanthus concinnus [Unnamed] linanthus
Linanthus harknessii condensatus Plaskett Meadows linanthus
Linanthus killipii Baldwin Lake linanthus
Linanthus maculates Little San Bernardino Mountains gilia
Linanthus nuttallii howellii Mt. Tedoc linanthus
Linanthus orcuttii Orcutt's linanthus
Lindera melissifolia Pondberry
Lindera subcoriacea Bog spicebush
Lindernia monticola piedmont false pimpernel
Linum arenicola Sand flax
Linum carteri carteri Carter's small-flowered flax
Linum carteri smallii [Unnamed] flax
Linum hudsonioides Mouse-ear chickweed
Linum macrocarpum [Unnamed] flax
Linum sulcatum harperi No common name
Linum westii West's flax
Lipochaeta alata alata [Unnamed] nehe
Lipochaeta bryanii Bryan's nehe
Lipochaeta degeneri Small-leaved nehe
Lipochaeta fauriei Nehe
Lipochaeta heterophylla heterophylla No common name
Lipochaeta integrifolia argentea No common name
Lipochaeta integrifolia gracilis Nehe
Lipochaeta integrifolia major Nehe
Lipochaeta integrifolia megacephala Nehe
Lipochaeta lavarum conferta No common name
Lipochaeta lavarum hillebrandiana No common name
Lipochaeta lavarum longifolia Nehe
Lipochaeta lavarum maneleana No common name
Lipochaeta lavarum ovata No common name
Lipochaeta lavarum salicifolia Nehe
Lipochaeta lavarum skottsbergii Nehe
Lipochaeta lavarum stearnsii No common name
Lipochaeta lobata lobata Nehe
Lipochaeta lobata var. leptophylla Nehe
Lipochaeta micrantha Nehe
Lipochaeta ovata No common name
Lipochaeta perdita Nehe
Lipochaeta profusa profusa Many-flowered nehe
Lipochaeta profusa robustior Nehe
Lipochaeta remyi Remy's nehe
Lipochaeta rockii Rock's nehe
Lipochaeta subcordata membranacea Nehe
Lipochaeta succulenta succulenta Nehe
Lipochaeta tenuis Nehe
Lipochaeta venosa No common name
Lipochaeta waimeaensis Nehe
Listera auriculata Auricled twayblade
Lithophragma maximum San Clemente Island woodland-star
Litsea aestivalis Pondspice
Lobelia appendiculata gattingeri No common name
Lobelia boykinii Boykin's lobelia
Lobelia dunbariae No common name
Lobelia hypoleuca rockii No common name
Lobelia koolauensis No common name
Lobelia monostachya No common name
Lobelia niihauensis No common name
Lobelia oahuensis No common name
Lobelia remyi No common name
lobelia yuccoides panaunau
Loeflingia squarrosa artemisiarum Sage-like loeflingia
Lomatium attenuatum No common name
Lomatium bradshawii Bradshaw's desert-parsley
Lomatium concinnum Adobe desert-parsley
Lomatium congdonii Congdon's lomatium
Lomatium cookii Cook's lomatium
Lomatium cuspidatum No common name
Lomatium erythrocarpum Red-fruited desert-parsley
Lomatium foeniculaceum inyoense Inyo lomatium
Lomatium graveolens clarkii [Unnamed] desert-parsley
Lomatium greenmanii Greenman's desert-parsley
Lomatium hallii No common name
Lomatium hendersonii No common name
Lomatium howellii Howell's lomatium
Lomatium insulare San Nicolas Island lomatium
Lomatium laevigatum No common name
Lomatium latilobum Slickrock desert-parsley
Lomatium minimum No common name
Lomatium minus Day Valley desert-parsley
Lomatium oreganum No common name
Lomatium peckianum Peck's lomatium
Lomatium quintuplex No common name
Lomatium ravenii Lassen desert-parsley
Lomatium rigidum Big Pine lomatium
Lomatium rollinsii No common name
Lomatium serpentinum No common name
Lomatium shevockii Owens Peak lomatium
Lomatium stebbinsii Stebbins' lomatium
Lomatium suksdorfii Suksdorf's desert-parsley
Lomatium thompsonii No common name
Lomatium tuberosum Hoover's desert-parsley
Lophocolea appalachiana No common name
Lorandersonia microcephala Small-headed goldenweed
Lorandersonia salicina [Unnamed] goldenweed
Lotus argophyllus adsurgens Silver, San Clemente Island hosackia
Lotus argophyllus niveus Silver, Santa Cruz Island hosackia
Lotus crassifolius otayensis Otay lotus
Lotus nuttallianus Prostrate hosackia
Lotus purshianus helleri No common name
Lotus rubriflorus Red-flowered lotus
Lotus unifoliolatus var. helleri Heller's bird's-foot trefoil
Ludwigia brevipes Long Beach seedbox
Ludwigia ravenii Raven's seedbox
Ludwigia spathulata Spathulate seedbox
Luina serpentina No common name
Lunania ekmanii No common name
Lupinus antoninus Anthony Peak lupine
Lupinus arboreus eximius Lupine, San Mateo tre
Lupinus aridorum Scrub lupine
Lupinus aridus ssp. ashlandensis Ashland Lupine
Lupinus burkei caeruleomontanus No common name
Lupinus caudatus ssp. cutleri Cutler's spurred lupine
Lupinus cervinus Santa Lucia lupine
Lupinus citrinus Orange lupine
Lupinus citrinus deflexus Mariposa lupine
Lupinus constancei The Lassics lupine
Lupinus crassus No common name
Lupinus culbertsonii culbertsonii Hoskett Meadows lupine
Lupinus cusickii Cusick's lupine
Lupinus dalesiae Quincy lupine
Lupinus duranii Mono Lake lupine
Lupinus excubitus medius Mountains Springs bush lupine
Lupinus guadalupensis Guadalupe Island lupine
Lupinus holmgrenianus Holmgren's lupine
Lupinus inyoensis Inyo lupine
Lupinus jonesii No common name
Lupinus ludovicianus San Luis lupine
Lupinus luteolus Pale yellow lupine
Lupinus magnificus magnificus Panamint Mountains lupine
Lupinus malacophyllus No common name
Lupinus montigenus montigenus No common name
Lupinus nipomensis Nipomo Mesa lupine
Lupinus onustus Plumas lupine
Lupinus oreganus var. oreganus Biddle's lupine
Lupinus padre-crowleyi DeDecker's lupine
Lupinus peirsonii Peirson's lupine
Lupinus sabinii No common name
Lupinus sericatus Cobb Mountain lupine
Lupinus sericeus marianus No common name
Lupinus spectabilis Shaggy-hair lupine
Lupinus sulphureus ssp. kincaidii Kincaid's Lupine
Lupinus tidestromii Clover lupine
Lupinus tracyi Tracy's lupine
Lupinus westianus Gulfcoast lupine
Luzula hawaiiensis oahuensis No common name
Lycium hassei Santa Catalina Island desert-thorn
Lycium puberulum berberioides Silver wolfberry
Lycium texanum Texas wolfberry
Lycium verrucosum San Nicolas Island desert-thorn
lycopodium phlegmaria var. disciplina
Lygodesmia doloresensis Dolores desert pink
Lygodesmia entrada Entrada skeletonplant
Lygodesmia grandiflora stricta No common name
Lyonia truncata var. proctorii No common name
Lyonothamnus floribundus asplenifolius Fern-leaved ironwood
Lyonothamnus floribundus floribundus Catalina ironwood
Lysiloma microphylla thornberi No common name
Lysimachia asperulaefolia Rough-leaved loosestrife
Lysimachia daphnoides lehua makanoe
Lysimachia filifolia No common name
Lysimachia forbesii No common name
Lysimachia fraseri Fraser's yellow loosestrife
Lysimachia hillebrandii Pua-hekili
Lysimachia hybrida Fringed loosestrife
Lysimachia iniki No common name
Lysimachia kalalauensis No common name
Lysimachia lydgatei No common name
Lysimachia maxima No common name
Lysimachia pendens No common name
Lysimachia scopulensis No common name
Lysimachia sp. Sp. nov. ined. lysimachia
Lysimachia sp. nov. ined. Sp. nov. ined. (Waihoi Valley) lysimachia
Lysimachia venosa No common name
Lythrum curtissii Curtiss' loosestrife
Lythrum flagellare Florida loosestrife
Lythrum ovalifolium No common name
Macbridea alba White birds-in-a-nest
Macbridea caroliniana Carolina birds-in-a-nest
Machaeranthera asteroides lagunensis Laguna Mountains aster
Machaeranthera canescens ziegleri Ziegler's aster
Machaeranthera grindelioides depressa No common name
Machaeranthera gypsitherma No common name
Machaeranthera laetevirens No common name
Madia hallii Hall's madia
madia radiata Showy madia
Madia stebbinsii Stebbins' madia
Maesa walkeri No common name
Magnolia ashei Ashe's magnolia
Malacothamnus abbottii Abbott's bush-mallow
malacothamnus arcuatus Arcuate bush mallow
Malacothamnus clementinus San Clemente Island bush-mallow
Malacothamnus davidsonii Davidson's bush-mallow
Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bush-mallow
Malacothamnus mendocinensis Mendocino bush-mallow
Malacothamnus palmeri involucratus Carmel Valley bush-mallow
Malacothamnus palmeri lucianus Arroyo Seco bush-mallow
Malacothamnus palmeri palmeri Palmer's bush-mallow
Malacothamnus parishii Parish's bush-mallow
Malacothrix crispifolia No common name
Malacothrix indecora Santa Cruz Island malacothrix
Malacothrix intermedia No common name
Malacothrix saxatilis arachnoidea Carmel Valley malacothrix
Malacothrix squalida Island malacothrix
Malaxis bayardii Appalachian Adder's-mouth
Malaxis brachypoda Adder's-mouth
Malpighia infestissima Stingingbush
Malvastrum hispidum No common name
Mammillaria thornberi No common name
Mammillaria viridiflora Greenflower nipple cactus
Manfreda longiflora Runyon huaco
Manfreda maculosa No common name
Manihot davisiae No common name
Manihot walkerae Walker's manioc
Mappia racemosa No common name
Marina orcuttii orcuttii California marina
Marlierea sintenisii Murta
Marsdenia elliptica No common name
Marshallia grandiflora Large-flowered Barbara's buttons
Marshallia mohrii Mohr's Barbara's buttons
Marshallia ramosa No common name
Marsilea villosa Ihi`ihi
Matelea alabamensis [Unnamed] anglepod
Matelea baldwyniana [Unnamed] anglepod
Matelea brevicoronata No common name
Matelea edwardsensis Plateau milkvine
Matelea floridana No common name
Matelea parviflora No common name
Matelea radiata Falfurrias anglepod
Matelea texensis Texas milkvine
Maytenus cymosa No common name
Maytenus elongata Cuero de sapo
Maytenus ponceana Cuero de sapo
Meconella oregana White fairypoppy
Megaceros aenigmaticus Hornwort
Melanthera integrifolia No common name
Melanthera kamolensis nehe
Melanthera parvifolia No common name
Melanthera populifolia No common name
Melanthera populifolia Flexuous nehe
Melanthera subcordata Nehe
Melanthera tenuifolia Nehe
Melicope adscendens Alani
Melicope balloui Alani
Melicope christophersenii Alani
Melicope cinerea Manena
Melicope clusiifolia No common name
Melicope cruciata Alani
Melicope degeneri Alani
Melicope haleakalae Alani
Melicope haupuensis Alani
Melicope hawaiensis Alani
Melicope hiiakae Koolau Range melicope
Melicope hiiakae Alani
Melicope hosakae Honolulu melicope
Melicope kavaiensis Alani
Melicope knudsenii Alani
Melicope lydgatei Alani
Melicope macropus Alani
Melicope makahae Alani
Melicope mucronulata Alani
Melicope munroi Alani
Melicope nealae Alani
Melicope obovata Alani
Melicope orbicularis Alani
Melicope ovalis Alani
Melicope ovata Alani
Melicope pallida Alani
Melicope paniculata Alani
Melicope peduncularis Boxfruit alani
Melicope pseudoanisata No common name
Melicope puberula Alani
Melicope quadrangularis Alani
Melicope radiata Kapu melicope
Melicope reflexa Alani
Melicope saint-johnii Alani
Melicope sandwicensis Alani
Melicope volcanica Volcanic melicope
Melicope wailauensis Alani
Melicope wawraeana No common name
Melicope wawraeana No common name
Melicope zahlbruckneri Alani
Mentzelia albicaulis White-stemmed evening-star
Mentzelia argillosa Clay blazing-star
Mentzelia densa Royal Gorge stickleaf
Mentzelia goodrichii Goodrich's Blazingstar
Mentzelia hirsutissima stenophylla Hairy stickleaf
Mentzelia leucophylla Ash Meadows blazingstar
mentzelia memorabalis september 11 stickleaf
Mentzelia mollis Smooth stickleaf
Mentzelia multicaulis labrina No common name
Mentzelia nitens leptocaulis [Unnamed] stickleaf
Mentzelia packardiae Packard's stickleaf
Mentzelia shultziorum No common name
Mertensia drummondii Drummond bluebell
Mertensia toyabensis [Unnamed] bluebells
Mertensia viridis cana Canescent bluebells
Mertensia viridis dilatata Smooth-leaf bluebells
Mesadenus polyanthus [Unnamed] ladies'-tresses
Mesadenus portoricensis No common name
Metrosideros collina newellii No common name
Mezoneuron kavaiense Uhi uhi
Micranthemum micranthemoides Nuttall's micranthemum
Micranthes hitchcockiana Saddle Mountain saxifrage
Micranthes pensylvanica Forbes saxifrage
Microlepia strigosa var. mauiensis No common name
microseris douglasii ssp. platycarpha Small-flowered microseris
Microseris howellii No common name
Microseris laciniata detlingii No common name
Microseris nutans siskiyouensis No common name
Mikania stevensiana Guaco
Mimosa quadrivalvis var. urbaniana Zarzarilla
Mimulus brandegeei Santa Cruz Island monkey-flower
Mimulus clivicola Bank monkeyflower
mimulus diffusus Palomar monkeyflower
Mimulus exiguus San Bernardino Mountains monkey-flower
Mimulus filicaulis Hetch Hetchy monkey-flower
Mimulus gemmiparus Rocky Mountain monkeyflower
Mimulus guttatus arenicola [Unnamed] monkeyflower
Mimulus hymenophyllus No common name
Mimulus jungermannioides No common name
Mimulus michiganensis Michigan monkey-flower
Mimulus mohavensis Mojave monkey-flower
Mimulus norrisii Kaweah monkeyflower
Mimulus patulus Stalk-leaved monkey-flower
Mimulus pictus Calico monkeyflower
Mimulus purpureus purpureus Purple monkey-flower
Mimulus pygmaeus Egg Lake monkey-flower
Mimulus ringens colpophilus Square-stemmed monkey-flower
Mimulus rupicola Death Valley monkeyflower
Mimulus shevockii Kelso Creek monkey-flower
Mimulus traskiae Santa Catalina monkey-flower
Mimulus washingtonensis washingtonensis Washington monkey-flower
Mimulus washoensis No common name
Mimulus whipplei Whipple's monkey-flower
Minuartia decumbens The Lassics sandwort
Minuartia godfreyi Godfry’s stitchwort
Minuartia howellii Howell's sandwort
Minuartia marcescens No common name
Minuartia rosei Peanut sandwort
Minuartia uniflora No common name
Mirabilis macfarlanei MacFarlane's four-o'clock
Mirabilis nyctaginea Sandhill four-o'clock
Mirabilis pudica [Unnamed] four-o'clock
Mirabilis rotundifolia Roundleaf four-o'clock
Mitracarpus maxwelliae No common name
Mitracarpus polycladus No common name
Monarda fistulosa brevis [Unnamed] horse-mint
Monarda stipitatoglandulosa [Unnamed] horse-mint
Monardella antonina San Antonio Hills monardella
Monardella antonina ssp. benitensis San Benito monardella
Monardella crispa Crisp monardella
Monardella diaboli No common name
Monardella douglasii venosa Veiny monardella
Monardella frutescens San Luis Obispo monardella
Monardella hypoleuca lanata Felt leaf rock-mint
Monardella leucocephala Merced monardella
Monardella linoides oblonga Flax-like monardella
Monardella macrantha hallii Hall's monardella
Monardella nana leptosiphon San Felipe monardella
Monardella palmeri Palmer's monardella
Monardella pringlei Pringle monardella
Monardella purpurea Siskiyou monardella
Monardella robisonii Robison's monardella
Monardella scelerata Stone Corral Canyon monardella
Monardella stebbinsii Feather River monardella
monardella villosa ssp. globosa Robust monardella
Monardella viminea Willowy monardella
Monardella viridis saxicola Rock monardella
Monolopia (=Lembertia) congdonii San Joaquin wooly-threads
Monotropa uniflora Indian pipe
Monotropsis odorata Pygmypipes
Monotropsis odorata Sweet pinesap
Montia bostockii No common name
Montia howellii Howell's montia
Morinda trimera Noni kuahiwi
Mucuna sloanei var. persericea sea bean
Muhlenbergia californica California muhly
Muhlenbergia curtisetosa [Unnamed] muhly
Muhlenbergia pilosa No common name
Muhlenbergia torreyana Torrey's muhly
Muhlenbergia villiflora var. villosa Villous muhly
Muilla clevelandii San Diego goldenstar
Muilla coronata Crowned muilla
Musineon lineare No common name
Mycoporum biseptatum Charred volcanoes
Myoporum sandwicense stellatum Naio
Myosurus minimus tiny mousetail
Myosurus minimus apus Little mousetail
Myrcianthes fragrans simpsonii Simpson stopper
Myrcia paganii No common name
Myrica hartwegii Sierra sweet-bay
Myriophyllum laxum No common name
Myrsine fernseei Kolea
Myrsine fosbergii Kolea
Myrsine juddii Kolea
Myrsine knudsenii Kolea
Myrsine lanaiensis Kolea
Myrsine linearifolia Kolea
Myrsine mezii Kolea
Myrsine petiolata Kolea
Myrsine vaccinioides Kolea
Myrsine wawraea Kolea
Najas filifolia Needleleaf waternymph
Najas flexilis Fish Lake naiad
Nama retrorsum No common name
nama stenocarpum Nama nama
Nama xylopodum No common name
Napaea dioica No common name
Narthecium americanum Bog Asphodel
Nassella cernua Nodding needlegrass
Navarretia fossalis Spreading navarretia
Navarretia heterandra Tehama pincushionplant
Navarretia leucocephala ssp. pauciflora (=N. pauciflora) Few-flowered navarretia
Navarretia leucocephala ssp. plieantha Many-flowered navarretia
Navarretia myersii ssp. deminuta Myers' pincushionplant
navarretia nigelliformis ssp. nigelliformis Adobe navarretia
Navarretia prolifera lutea Yellow-bur navarretia
Navarretia prostrata prostrate pincushionplant
Navarretia setiloba Piute Mountains navarretia
Nemacladus twisselmannii Twisselmann's nemacladus
Nemastylis floridana Fall-flowering ixia
Neoparrya lithophila No common name
Neostapfia colusana Colusa grass
Neraudia angulata No common name
Neraudia kauaiensis No common name
Neraudia melastomifolia Ma`oloa
Neraudia ovata No common name
Neraudia sericea No common name
Nervilia jacksoniae No common name
Nesogenes rotensis No common name
Nestronia umbellula No common name
Neviusia alabamensis No common name
Nitrophila mohavensis Amargosa niterwort
Nolina arenicola Sand sacahuista
Nolina atopocarpa [Unnamed] beargrass
Nolina brittoniana Britton's beargrass
Nolina cismontana Peninsular beargrass
Nolina interrata Dehesa beargrass
Nolina sp. Sp. nov. ined. (chaparral) beargrass
Nothocestrum breviflorum `Aiea
Nothocestrum latifolium `Aiea
Nothocestrum longifolium `Aiea
Nothocestrum peltatum `Aiea
Notholaena lemmonii Lemmon fern cloak
Notholaena schaffneri No common name
Nototrichium humile Kulu`i
Nototrichium sandwicense decipiens No common name
Nototrichium sandwicense dubium No common name
Nototrichium sandwicense forbesii No common name
Nototrichium sandwicense helleri No common name
Nototrichium sandwicense kolekolense No common name
Nototrichium sandwicense lanaiense No common name
Nototrichium sandwicense lanceolatum No common name
Nototrichium sandwicense latifolium No common name
Nototrichium sandwicense leptopodum No common name
Nototrichium sandwicense longespicatum No common name
Nototrichium sandwicense macrophyllum No common name
Nototrichium sandwicense mauiense No common name
Nototrichium sandwicense niihauense No common name
Nototrichium sandwicense olokeleanum No common name
Nototrichium sandwicense pulchelloides No common name
Nototrichium sandwicense pulchellum No common name
Nototrichium sandwicense subcordatum No common name
Nototrichium sandwicense syringifolium No common name
Nototrichium viride No common name
Nuphar lutea ssp. sagittifolia Yellow Pond lily
Nuphar lutea ssp. ulvacea West Florida cow-lily
Nuphar luteum ulvaceum No common name
Nyssa ursina Bear gum
Ochrosia compta No common name
Ochrosia haleakalae Holei
Ochrosia kilaueaensis Holei
Oenothera acutissima Narrowleaf evening-primrose
Oenothera avita ssp. eurekensis Eureka Valley evening-primrose
Oenothera deltoides ssp. howellii Antioch Dunes evening-primrose
Oenothera kleinii Klein's evening-primrose
Oenothera organensis Organ Mountain evening-primrose
Oenothera pilosella sessilis [Unnamed] evening-primrose
Oenothera psammophila [Unnamed] evening-primrose
Oenothera wolfii Wolf's evening-primrose
Oncidium carthagenense Coot Bay dancing-lady
Onosmodium helleri No common name
Onosmodium molle molle No common name
Oonopsis engelmannii Engelmann's goldenrod
Operculina turpethum var. turpethum St. Thomas lidpod
Ophioglossum concinnum [Unnamed] adder's-tongue
Ophioglossum lusitanicum California adder's-tongue
Ophioglossum nudicaule No common name
Opuntia arenaria Sand prickly-pear
Opuntia aureispina Golden-spined prickly-pear
Opuntia basilaris brachyclada Short-jointed beavertail cactus
Opuntia basilaris longiareolata No common name
Opuntia basilaris woodburyi No common name
Opuntia bigelovii hoffmannii Hoffmann's cactus
Opuntia borinquensis Olaga
Opuntia engelmannii flexospina Marble-seeded, few-spined prickly-pear
Opuntia heacockul No common name
Opuntia imbricata argentea Silver cholla
Opuntia lindheimeri linguiformis Cow-tongue prickly-pear
Opuntia munzii Munz cholla
Opuntia parryi serpentina Snake cholla
Opuntia phaeacantha flavispina No common name
Opuntia phaeacantha mojavensis No common name
Opuntia phaeacantha superbospina No common name
Opuntia pulchella Sand cholla
Opuntia spinosissima No common name
Opuntia treleasei Bakersfield cactus
Opuntia triacantha No common name
Opuntia viridiflora Santa Fe cholla
Opuntia wigginsii Wiggins' cholla
Opuntia X multigeniculata Blue Diamond cholla
Orbexilum macrophyllum Bigleaf scurf-pea
Orbexilum macrophyllum Bigleaf scurfpea
Orcuttia californica California Orcutt grass
Orcuttia inaequalis San Joaquin Orcutt grass
Orcuttia pilosa Hairy Orcutt grass
Orcuttia tenuis Slender Orcutt grass
Orcuttia viscida Sacramento Orcutt grass
Oreonana purpurascens Purple mountain parsley
Oreostemma peirsonii Peirson's aster
Oreoxis humilis Pikes Peak Spring parsley
Oreoxis trotteri No common name
Orobanche parishii brachyloba Short-lobed broomrape
Orobanche valida valida Rock Creek broomrape
Orthocarpus pachystachyus Shasta orthocarpus
Orthotrichum keeverae Keever's bristle-moss
Oryctes nevadensis Nevada oryctes
Osmorhiza mexicana bipatriata Livermore sweet-cicely
Osmoxylon mariannense No common name
Ostrya chisosensis Big Bend hop hornbeam
Ottoschulzia rhodoxylon Palo de rosa
Oxypolis canbyi Canby's dropwort
Oxypolis greenmanii Giant water-dropwort
Oxypolis ternata No common name
Oxytheca caryophylloides chickweed oxytheca
Oxytheca parishii ciengensis Cienega Seca oxytheca
Oxytheca parishii var. goodmaniana Cushenbury oxytheca
Oxytheca watsonii No common name
Oxytropis besseyi obnapiformis No common name
Oxytropis campestris johannensis No common name
Oxytropis campestris var. chartacea Fassett's locoweed
Oxytropis campestris wanapum No common name
Oxytropis glaberrima No common name
Oxytropis kobukensis Kobuk locoweed
Oxytropis kokrinensis Kokrines oxytrope
Oxytropis oreophila var. jonesii Jones' oxytrope
Oxytropis sordida barnebyana No common name
Packera antennariifolia Pussytoes ragwort
Packera bernardina San Bernardino butterweed
Packera cardamine No common name
Packera castoreus Beaver Mountain Groundsel
Packera franciscana San Francisco Peaks ragwort
Packera ganderi Gander butterweed
Packera hartiana Hart's ragwort
Packera hesperia No common name
Packera malmstenii Podunk Groundsel
Packera millefolia Piedmont ragwort
Packera porteri Porter's groundsel
Packera spellenbergii Spellenberg's groundsel
Palafoxia arida gigantea Giant spanishneedle
Panax quinquefolius American ginseng
Panicum abscissum Cutthroat grass
Panicum fauriei fauriei Faurie's panic grass
Panicum fauriei var. carteri Carter's panicgrass
Panicum niihauense Lau `ehu
Panicum philadelphicum Philadelphia panic grass
Panicum sonoran Sonoran panic grass
Panicum stevensianum No common name
Papaver alboroseum Pale poppy
Papaver pygmaeum No common name
Papaver walpolei Walpole poppy
Parnassia caroliniana Carolina grass-of-parnassus
Parnassia grandifolia Largeleaf grass of Parnassus
Parnassia kotzebuei pumila Kotzebue's, grass-of-parnassus
Paronychia ahartii Ahart's whitlow-wort
Paronychia argyrocoma Silverling
Paronychia chartacea Papery whitlow-wort
Paronychia congesta Bushy whitlow-wort
Paronychia drummondii parviflora No common name
Paronychia lindheimeri var. lindheimeri Lindheimer's nailwort
Paronychia maccartii McCart's whitlow-wort
Paronychia monticola Livermore nailwort
Paronychia monticola No common name
Paronychia rugelii interior [Unnamed] whitlow-wort
Paronychia virginica parksii No common name
Paronychia virginica var. virginica Silvery nailwort
Paronychia wilkinsonii Wilkinson's whitlow-wort
Parrya nudicaulis No common name
Parrya rydbergii Rydberg parrya
Parthenium alpinum No common name
Parthenium integrifolium Wavyleaf wild-quinine
Parthenium ligulatum [Unnamed] feverfew
Parthenium tetraneuris Arkansas River feverfew
Parvisedum leiocarpum Lake County stonecrop
Passiflora berteroana No common name
Passiflora bilobata No common name
Passiflora murucuja No common name
Paxistima canbyi No common name
Paysonia stonensis Stones River bladderpod
Pectis imberbis Beardless chinch weed
Pectis rusbyi Rusby's fetid-marigold
Pedicularis dudleyi Dudley's lousewort
Pedicularis furbishiae Furbish lousewort
Pedicularis howellii Howell's lousewort
Pedicularis rainierensis No common name
Pedicularis semibarbata charlestonensis No common name
Pediocactus bradyi Brady pincushion cactus
Pediocactus despainii San Rafael cactus
Pediocactus (=Echinocactus,=Utahia) sileri Siler pincushion cactus
Pediocactus knowltonii Knowlton's cactus
Pediocactus paradinei Kaibab plains cactus
Pediocactus peeblesianus fickeiseniae Fickeisen plains cactus
Pediocactus peeblesianus var. peeblesianus Peebles Navajo cactus
Pediocactus winkleri Winkler cactus
Pediomelum aromaticum tuhyi No common name
Pediomelum castoreum [Unnamed] scurf-pea
Pediomelum epipsilum [Unnamed] scurf-pea
Pediomelum humile Rydberg's scurf-pea
Pediomelum pariensis No common name
Pediomelum pentaphyllum Chihuahua scurfpea
Pediomelum subacaule Whiterim scurf-pea
Pelea anisata haupuana No common name
Pelea clusiaefolia pickeringii No common name
Pelea elliptica mauiensis No common name
Pelea grandifolia lianoides No common name
Pelea grandifolia montana No common name
Pelea grandifolia ovalifolia No common name
Pelea parvifolia apoda Apoda
Pelea parvifolia sessilis No common name
Pelea peduncularis cordata No common name
Pelea peduncularis niuensis No common name
Pelea peduncularis nummularia No common name
Pelea volcanica kohalae No common name
Peniocereus greggii greggii Desert night-blooming cereus
Peniocereus greggii transmontanus No common name
Penstemon abietinus [Unnamed] beardtongue
Penstemon absarokensis Absaroka beardtongue
Penstemon acaulis Stemless beardtongue
Penstemon alamosensis Alamo beardtongue
Penstemon albomarginatus White-margined penstemon
Penstemon ammophilum No common name
Penstemon angustifolius dulcis [Unnamed] beardtongue
Penstemon angustifolius vernalensis No common name
Penstemon arenarius No common name
Penstemon arkansanus No common name
Penstemon atwoodii No common name
Penstemon baccharifolius No common name
Penstemon barrettiae No common name
Penstemon bicolor bicolor No common name
Penstemon bicolor roseus No common name
Penstemon bracteatus Red Canyon beardtongue
Penstemon caespitosus suffruticosus [Unnamed] beardtongue
Penstemon calcareus Limestone penstemon
Penstemon californicus California penstemon
Penstemon caryi Cary beardtongue
Penstemon cinicola Ash penstemon
Penstemon clutei [Unnamed] beardtongue
Penstemon cobaea purpureus No common name
Penstemon compactus Cache beardtongue
Penstemon concinnus Tunnel Springs beardtongue
Penstemon crandallii atractus No common name
Penstemon deamii [Unnamed] beardtongue
Penstemon debilis Parachute beardtongue
Penstemon degeneri Degener beardtongue
Penstemon discolor Cataiina beardtongue
Penstemon dissectus No common name
Penstemon distans Mt. Trumbull beardtongue
Penstemon elegantulus No common name
Penstemon filiformis Thread-leaved penstemon
Penstemon floribundus No common name
Penstemon flowersii No common name
Penstemon francisci-pennellii No common name
Penstemon franklinii Ben Franklin's Beardtongue
Penstemon fruticiformis amargosae Amargosa penstemon
Penstemon gibbensii Gibbens beardtongue
Penstemon glaucinus [Unnamed] beardtongue
Penstemon goodrichii No common name
Penstemon grahamii Graham beardtongue
Penstemon harringtonii Harrington beardtongue
Penstemon haydenii Blowout penstemon
Penstemon humilis brevifolius No common name
Penstemon humilis obtusifolius No common name
Penstemon humilis var. humilis Low beardtongue
Penstemon idahoensis Idaho penstemon
Penstemon kingii King's beardtongue
Penstemon leiophyllus [Unnamed] beardtongue
penstemon leiophyllus var. keckii Charleston beardtongue
Penstemon leiophyllus var. keckii Keck's beardtongue
Penstemon lemhiensis Lemhi beardtongue
Penstemon leptanthus No common name
Penstemon mensarum Tiger beardtongue
Penstemon moriahensis No common name
Penstemon nanus Low beardtongue
Penstemon navajoa No common name
Penstemon pahutensis [Unnamed] beardtongue
Penstemon papillatus Inyo penstemon
Penstemon parviflorus No common name
Penstemon parvus Small beardtongue
Penstemon patricus No common name
Penstemon paysoniorum Payson beardtongue
Penstemon peckii No common name
Penstemon penlandii Penland beardtongue
Penstemon personatus Closed-lip beardtongue
Penstemon pinorum [Unnamed] beardtongue
Penstemon procerus modestus No common name
Penstemon pudicus No common name
Penstemon retrorsus [Unnamed] beardtongue
Penstemon rubicundus [Unnamed] beardtongue
Penstemon scariosus albifluvis White River beardtongue
Penstemon scariosus garrettii Garrett's beardtongue
Penstemon spatulatus Wallowa beardtongue
Penstemon stephensii Stephens' beardtongue
Penstemon thompsoniae jaegeri No common name
Penstemon thurberi anestius No common name
Penstemon tidestromii Tidestrom beardtongue
Penstemon tracyi Tracy beardtongue
Penstemon uintahensis Uintah beardtongue
Penstemon virgatus pseudoputus No common name
Penstemon wardii Ward beardtongue
Penstemon washingtonensis No common name
Penstemon yampaensis No common name
Pentachaeta bellidiflora White-rayed pentachaeta
Pentachaeta exilis aeolica Slender pentachaeta
Pentachaeta lyonii Lyon's pentachaeta
Peperomia cookiana minutilimba No common name
Peperomia degeneri No common name
Peperomia eekana Mt. Eke peperomia
Peperomia eekana Mt. Eke peperomia
Peperomia expallescens brevipilosa No common name
Peperomia fauriei No common name
Peperomia helleri knudsenii No common name
Peperomia lilifolia obtusata No common name
Peperomia macraeana Pinninerve peperomia
Peperomia megalopoda No common name
Peperomia membranacea No common name
Peperomia membranacea Woodland peperomia
Peperomia myrtifolia No common name
Peperomia oahuensis st-johnii No common name
Peperomia obovatilimba Graceful peperomia
Peperomia obtusifolia No common name
Peperomia remyi Valley peperomia
Peperomia rigidilimba No common name
Peperomia rockii No common name
Peperomia subpetiolata `Ala `ala wai nui
Peperomia wheeleri Wheeler's peperomia
Perideridia bacigalupii Mother Lode yampah
Perideridia erythrorhiza Red-root yampah
Perideridia gairdneri gairdneri Gairdner's yampah
Perideridia leptocarpa Narrow-seeded yampah
Perideridia pringlei Adobe yampah
Perityle ajoensis Ajo rock-daisy
Perityle bisetosa bisetosa Two-bristle rock-daisy
Perityle bisetosa scalaris Stairstep two-bristle rock-daisy
Perityle cernua Nodding rock-daisy
Perityle cinerea Gray rock-daisy
Perityle cochisensis Chiricahua rock-daisy
Perityle gilensis salensis [Unnamed] rock-daisy
Perityle huecoensis Hueco rock-daisy
Perityle inyoensis Inyo laphamia
Perityle lemmonii No common name
Perityle lindheimeri halimifolia [Unnamed] rock-daisy
Perityle lindheimeri lindheimeri [Unnamed] rock-daisy
Perityle megalocephala intricata No common name
Perityle parryi No common name
Perityle saxicola Fish Creek rock-daisy
Perityle specuicola No common name
Perityle staurophylla No common name
Perityle villosa Hanaupah laphamia
Perityle vitreomontana Glass Mountain rock-daisy
Perityle warnockii River rock-daisy
Persea borbonia humilis No common name
Persicaria hydropiperoides Swamp smartweed
Persicaria maculosa Needles knotweed
Petalonyx thurberi gilmanii Death Valley sandpaperplant
Peteria thompsonae No common name
Petrophytum cinerascens Chelan rockmat
Petrophytum hendersonii No common name
Peucedanum sandwicense Makou
Phacelia amabilis Saline Valley phacelia
Phacelia anelsonii Aven Nelson's phacelia
Phacelia argentea Sand dune phacelia
Phacelia argillacea Clay phacelia
Phacelia beatleyae Beatley phacelia
Phacelia capitata [Unnamed] phacelia
Phacelia cephalotes Virgin phacelia
Phacelia ciliata opaca Merced phacelia
Phacelia constancei No common name
Phacelia cookei Cooke's phacelia
Phacelia dalesiana Trinity phacelia
Phacelia demissa heterotricha [Unnamed] phacelia
Phacelia distans Ashy phacelia
Phacelia dubia georgiana No common name
Phacelia filiformis [Unnamed] phacelia
Phacelia floribunda Southern island phacelia
Phacelia formosula North Park phacelia
Phacelia glaberrima No common name
Phacelia greenei Scott Valley phacelia
Phacelia howelliana Howell phacelia
Phacelia incana No common name
Phacelia inconspicua No common name
Phacelia indecora Drab phacelia
Phacelia insularis continentis Northcoast phacelia
Phacelia insularis ssp. insularis Island phacelia
Phacelia integrifolia texana No common name
Phacelia lenta Sticky phacelia
Phacelia mammillarensis Nipple Bench phacelia
Phacelia minutissima [Unnamed] phacelia
Phacelia monoensis Mono phacelia
Phacelia mustelina Round leaf, Death Valley phacelia
Phacelia nashiana Charlotte's phacelia
Phacelia novenmillensis Nine Mile Canyon phacelia
Phacelia orogenes Mountain phacelia
Phacelia pallida Pale phacelia
Phacelia parishii Parish's phacelia
Phacelia peckii No common name
Phacelia phacelioides Mt. Diablo phacelia
Phacelia rafaelensis [Unnamed] phacelia
Phacelia serrata Cinder phacelia
Phacelia stebbinsii Stebbins' phacelia
Phacelia stellaris Brand's phacelia
Phacelia suaveolens keckii Santiago Peak phacelia
Phacelia submutica DeBeque phacelia
Phacelia utahensis Utah phacelia
Phacelia verna No common name
Phacelia welshii Welsh phacelia
Phaeophyscia leana Lea's Bog lichen
Phaseolus supinus Supine bean
Phemeranthus parviflorus [Unnamed] fameflower
Phemeranthus sediformis [Unnamed] fameflower
Phialanthus myrtilloides No common name
Philadelphus ernestii Canyon mock orange
Philadelphus mearnsii No common name
Philadelphus texensis texensis No common name
Phippsia algida Ice grass
Phlox bifida stellaria Cleft, phlox
Phlox buckleyi No common name
Phlox caryophylla [Unnamed] phlox
Phlox cluteana Navajo Mountain phlox
Phlox dolichantha Bear Valley phlox
Phlox gladiformis Red Canyon phlox
Phlox hirsuta Yreka phlox
Phlox idahonis Clearwater phlox
Phlox jonesii [Unnamed] phlox
Phlox longifolia ssp. longifolia Longleaf phlox
Phlox missoulensis [Unnamed] phlox
Phlox mollis [Unnamed] phlox
Phlox nivalis ssp. texensis Texas trailing phlox
Phlox oklahomensis Oklahoma phlox
Phlox peckii No common name
Phlox pilosa longipilosa Long-haired phlox
Phlox pulchra [Unnamed] phlox
Phlox pungens [Unnamed] phlox
Phoenix dactylifera Sphinx date palm
Pholisma arenarium Desert christmas tree
Pholisma sonorae Sandfood
Phyllanthopsis arida Trans-Pecos maidenbush
Phyllanthus ericoides Heather leaf-flower
Phyllanthus liebmannianus platylepis No common name
Phyllanthus pentaphyllus floridanus No common name
Phyllanthus saffordii No common name
Phyllanthus sandwicensis degeneri No common name
Phyllostegia ambigua No common name
Phyllostegia bracteata No common name
Phyllostegia brevidens No common name
Phyllostegia brevidens ambigua No common name
Phyllostegia brevidens degeneri No common name
Phyllostegia brevidens heterodoxa No common name
Phyllostegia brevidens hirsutula No common name
Phyllostegia brevidens pubescens No common name
Phyllostegia electra Nehe kuhiwa
Phyllostegia floribunda No common name
Phyllostegia glabra var. lanaiensis No common name
Phyllostegia haliakalae No common name
Phyllostegia helleri No common name
Phyllostegia hillebrandii No common name
Phyllostegia hirsuta No common name
Phyllostegia hispida No common name
Phyllostegia imminuta No common name
Phyllostegia kaalaensis No common name
Phyllostegia knudsenii No common name
Phyllostegia mannii No common name
Phyllostegia mollis No common name
Phyllostegia mollis fagerlindii No common name
Phyllostegia parviflora No common name
Phyllostegia pilosa No common name
Phyllostegia racemosa Kiponapona
Phyllostegia renovans No common name
Phyllostegia rockii No common name
Phyllostegia stachyoides No common name
Phyllostegia variabilis No common name
Phyllostegia velutina No common name
Phyllostegia waimeae No common name
Phyllostegia warshaueri No common name
Phyllostegia wawrana No common name
Phyllostegia yamaguchii Yamaguchi phyllostegia
Physalis solanaceus Lemmon globe berry
Physalis viscosa elliotii No common name
Physaria acutifolia purpurea No common name
Physaria bellii Bell's Twinpod
Physaria condensata Dense twinpod
Physaria didymocarpa lyrata No common name
Physaria dornii No common name
Physaria douglasii ssp. tuplashensis White Bluffs bladderpod
Physaria eburniflora No common name
Physaria filiformis Missouri bladderpod
Physaria geyeri purpurea No common name
Physaria globosa Short's bladderpod
Physaria grahamii Graham's twinpod
Physaria integrifolia monticola [Unnamed] twinpod
Physaria obcordata Dudley Bluffs twinpod
Physaria repanda Repand Twinpod
Physaria saximontana saximontana [Unnamed] twinpod
Physaria stylosa Duchesne River Twinpod
Physostegia correllii Correll's false dragon-head
Physostegia intermedia No common name
Physostegia leptophylla No common name
Physostegia leptophylla False dragon-head
Physostegia longisepala No common name
phytolacca sandwicensis No comment name
Pieris phillyreifolia No common name
Pilea leptophylla No common name
Pilea multicaulis No common name
Pilea richardii No common name
Pilea yunquensis No common name
Pilosocereus robinii Key tree cactus
Pilostyles thurberi Thurber's pilostyles
Pinckneya bracteata No common name
Pinguicula ionantha Godfrey's butterwort
Pinguicula planifolia Chapman's butterwort
Pinus Undescribed pine
Pinus albicaulis Whitebark pine
Pinus contorta bolanderi Bolander's beach pine
Pinus ponderosa Ponderosa Pine
Pinus radiata Monterey pine
Pinus torreyana insularis Torrey Island pine
Pinus torreyana torreyana Torrey, Del Mar pine
Piperia yadonii Yadon's piperia
Pisonia floridana No common name
Pisonia wagneriana No common name
Pittosporum acuminatum leptopodum No common name
Pittosporum acuminatum magnifolium No common name
Pittosporum acuminatum waimeanum No common name
Pittosporum argentifolium argentifolium No common name
Pittosporum argentifolium sessile No common name
Pittosporum cauliflorum cauliflorum No common name
Pittosporum cauliflorum cladanthoides No common name
Pittosporum cauliflorum pedicellatum No common name
Pittosporum cladanthum gracilipes No common name
Pittosporum confertiflorum No common name
Pittosporum confertiflorum longipes No common name
Pittosporum confertiflorum microphyllum No common name
Pittosporum glabrum No common name
Pittosporum glabrum No common name
Pittosporum glabrum glomeratum No common name
Pittosporum glabrum intermedium No common name
Pittosporum glabrum tinifolium No common name
Pittosporum halophilum Hoawa
Pittosporum hawaiiense Hoawa
Pittosporum hosmeri No common name
Pittosporum insigne micranthum No common name
Pittosporum kauaiense repens No common name
Pittosporum napaliense Ho`awa
Pittosporum terminalioides lanaiense No common name
Pittosporum terminalioides macropus No common name
Pittosporum terminalioides mauiense No common name
Pityopsis flexuosa No common name
Pityopsis ruthii Ruth's golden aster
Pityopus californicus California pine-foot
Plagiobothrys austiniae Austin's popcornflower
Plagiobothrys distantiflorus No common name
Plagiobothrys figuratus ssp. corallicarpus coral seeded popcornflower
Plagiobothrys glaber Glabrous allocarya
Plagiobothrys glyptocarpus modestus Cedar Crest allocarya
Plagiobothrys glyptocarpus var. glyptocarpus Sculptured popcornflower
Plagiobothrys greenei Greene's popcornflower
Plagiobothrys hirtus rough popcornflower
Plagiobothrys hystriculus Bearded popcornflower
Plagiobothrys lamprocarpus [Unnamed] popcornflower
Plagiobothrys mollis vestitus Petaluma popcornflower
Plagiobothrys scriptus Scribe allocarya
Plagiobothrys strictus Calistoga allocarya
Plagiobothrys torreyi var. diffusus San Francisco popcornflower
Plagiobothrys uncinatus Salinas Valley popcornflower
Plagiochila caduciloba Gorge leafy liverwort
Plagiochila columbiana No common name
Plagiochila echinata No common name
Plagiochila sharpii Sharp's leafy liverwort
Plagiochila sullivantii var. spinigera [Unnamed] liverwort
Plagiochila sullivantii var. spinigera [Unnamed] liverwort
Plagiochila sullivantii var. sullivantii [Unnamed] liverwort
Plagiochila virginica euryphylla No common name
Plagiochila virginica var. caroliniana [Unnamed] liverwort
Plagiomnium carolinianum Carolina mnium
Plantago cordata Heart-leaved plantain
Plantago hawaiensis Kuahiwi laukahi
Plantago princeps Kuahiwi laukahi
Plantago sparsiflora Pineland plantain
Platanthera flava Southern rein-orchid
Platanthera holochila No common name
Platanthera integra No common name
Platanthera integrilabia White fringeless orchid
Platanthera leucophaea Eastern prairie fringed orchid
Platanthera peramoena Purple fringeless orchid
Platanthera praeclara Western prairie fringed Orchid
Platanthera shriveri Shriver's Purple Fringed Orchid
Platanthera unalascensis maritima Alaska rein orchid
Platanthera zothecina No common name
Platydesma cornuta var. cornuta No common name
Platydesma cornuta var. decurrens No common name
Platydesma remyi No common name
Platydesma rostrata Pilo kea lau li`i
Platystemon californicus ciliatus Santa Barbara Island cream cups
Pleodendron macranthum Chupacallos
Pleomele aurea [Unnamed] halapepe
Pleomele fernaldii Hala pepe
Pleomele forbesii Hala pepe
Pleomele hawaiiensis Hala pepe
Pleurobema riddellii Louisiana Pigtoe
Pleuropogon hooverianus Northcoast semaphore grass
Pleuropogon oregonus Oregon semaphore grass
Plummera ambigens No common name
Poa atropurpurea San Bernardino bluegrass
Poa curtifolia No common name
Poa laxiflora No common name
Poa macrocalyx No common name
Poa mannii Mann's bluegrass
Poa marcida No common name
Poa napensis Napa bluegrass
Poa paludigena Bog bluegrass
Poa palustris No common name
Poa paucispicula No common name
Poa piperi Piper's bluegrass
Poa rhizomata Timber bluegrass
Poa sandvicensis Hawaiian bluegrass
Poa siphonoglossa No common name
Poa strictiramea [Unnamed] bluegrass
Poa strictiramea Big Bend bluegrass
Poa unilateralis Sea cliff bluegrass
Poa X limosa Lassen County bluegrass
Podistera yukonensis No common name
Pogogyne abramsii San Diego mesa-mint
Pogogyne clareana Santa Lucia pogogyne
Pogogyne douglasii parviflora Small-flowered, Douglas' pogogyne
Pogogyne nudiuscula Otay mesa-mint
Polemonium chartaceum Mason's sky-pilot
Polemonium nevadense No common name
Polemonium occidentale lacustre [Unnamed] jacob's ladder
Polemonium pauciflorum hinckleyi Hinckley's jacob's ladder
Polemonium pectinatum No common name
Polemonium reptans villosum [Unnamed] jacob's ladder
Polemonium vanbruntiae [Unnamed] jacob's ladder
Poliomintha glabrescens Rosemary-mint
Polyctenium williamsiae Combleaf
Polygala alba No common name
Polygala boykinii sparsifolia No common name
Polygala cornuta var. fishiae Fish's milkwort
Polygala cowellii Palo de violeta
Polygala lewtonii Lewton's polygala
Polygala maravillasensis Maravillas milkwort
Polygala paucifolia No common name
Polygala piliophora No common name
Polygala rimulicola mescalerorum Mescalero milkwort
Polygala rimulicola rimulicola No common name
Polygala smallii Tiny polygala
Polygala subspinosa heterorhynca No common name
Polygala verticillata No common name
Polygonella basiramia Wireweed
Polygonella macrophylla Large-leaved jointweed
Polygonella myriophylla Sandlace
Polygonella parksii Parks' jointweed
Polygonum aviculare ssp. depressum Monterey knotweed
Polygonum bidwelliae Bidwell's knotweed
Polygonum cascadense No common name
Polygonum hickmanii Scotts Valley Polygonum
Polygonum marinense Marin knotweed
Polygonum pensylvanicum eglandulosum Lake Erie pinkweed
Polygonum striatulum No common name
Polygonum striatulum [Unnamed] knotweed
Polygonum utahense No common name
Polymnia cossatotensis Cossatot leaf-cup
Polymnia laevigata No common name
Polyscias bisattenuata No common name
Polyscias flynnii No common name
Polyscias gymnocarpa `Ohe`ohe
Polyscias lydgatei No common name
Polyscias racemosa No common name
Polystichum aleuticum Aleutian shield fern
Polystichum calderonense No common name
Polystichum dudleyi Dudley's swordfern
Polystichum kruckebergii Kruckeberg's swordfern
Populus hinckleyana Goat Canyon cottonwood
Porella appalachiana No common name
Porella pinnata [Unnamed] Liverwort
Porella wataugensis A Liverwort
Porophyllum greggii No common name
Porophyllum pygmaeum No common name
Portulaca caulerpoides No common name
Portulaca molokiniensis No common name
Portulaca sclerocarpa Po`e
Portulaca smallii No common name
Portulaca villosa Ihi
Potamogeton clystocarpus Little Aguja (=Creek) Pondweed
Potamogeton confervoides [Unnamed] pondweed
Potamogeton floridanus Florida pondweed
Potamogeton hillii No common name
Potamogeton hillii Hill's pondweed
Potamogeton lateralis No common name
Potamogeton ogdenii [Unnamed] pondweed
Potamogeton tennesseensis Tennessee pondweed
Potentilla angelliae No common name
Potentilla basaltica Soldier Meadows Cinquefoil
Potentilla cottamii No common name
Potentilla effusa rupincola Front Range cinquefoil
Potentilla hickmanii Hickman's potentilla
Potentilla macounii Macoun's Cinquefoil
Potentilla multijuga Ballona cinquefoil
Potentilla rimicola cliff cinquefoil
Potentilla robbinsiana Robbins' cinquefoil
Potentilla sierrae-blancae No common name
Pouteria hotteana Ala`a
Pouteria sandwicensis Ala`a
Pouteria sandwicensis Ala`a
Prenanthes barbata Barbed rattlesnake root
Prenanthes boottii Boott's rattlesnake root
Prenanthes roanensis Mountain rattlesnake root
Primula alcalina [Unnamed] primrose
Primula capillaris [Unnamed] primrose
Primula cusickiana Wallowa primrose
Primula domensis [Unnamed] primrose
Primula maguirei Maguire primrose
Primula mistassinica Bird's-eye primrose
Primula nevadensis [Unnamed] primrose
Primula specuicola North Rim primrose
Primula specuicola [Unnamed] primrose
Primula tschuktschorum [Unnamed] primrose
Primula wilcoxiana [Unnamed] primrose
Pritchardia aylmer-robinsonii Wahane
Pritchardia bakeri Baker''s Loulu
Pritchardia glabrata Lo`ulu
Pritchardia glabrata Lo`ulu
Pritchardia hardyi Lo`ulu
Pritchardia hillebrandii (=Lo`ulu lelo) lo`ulu
Pritchardia kaalae Lo`ulu
Pritchardia lanaiensis Lo`ulu
Pritchardia lanigera Lo`ulu
Pritchardia maideniana Lo`ulu
Pritchardia martii Lo`ulu
Pritchardia martii Lo`ulu
Pritchardia minor Lo`ulu
Pritchardia munroi Lo`ulu
Pritchardia napaliensis Lo`ulu
Pritchardia remota Lo`ulu
Pritchardia schattaueri Lo`ulu
Pritchardia viscosa Lo`ulu
Priva portoricensis No common name
Proatriplex pleiantha No common name
Proboscidea sabulosa Dune unicorn plant
Proboscidea spicata Many-flowered unicorn plant
Prunus alleghaniensis Alleghany plum
Prunus alleghaniensis davisii No common name
Prunus geniculata Scrub plum
Prunus havardii No common name
Prunus maritima gravesii Beach, Grave's plum
Prunus minutiflora No common name
Prunus murrayana No common name
Prunus texana No common name
Pseudobahia bahiifolia Hartweg's golden sunburst
Pseudobahia peirsonii San Joaquin adobe sunburst
Pseudognaphalium macounii No common name
Pseudognaphalium sandwicensium var. molokaiense `Ena`ena
Psidium sintenisii Hoja menuda
Psiguria cookiana Algodoncillo
Psilactis heterocarpa Welder machearanthera
Psorothamnus arborescens arborescens Mojave indigo bush
Psorothamnus kingii No common name
Psorothamnus polydenius var. jonesii No common name
Psorothamnus thompsoniae var. thompsoniae Thompson's dalea
Psorothamnus thompsoniae var. whitingii Whiting's dalea
Psychilis krugii No common name
Psychotria grandiflora Kopiko
Psychotria hexandra ssp. oahuensis Kopiko
Psychotria hobdyi Kopiko
Psychotria insularum paradisii No common name
Psychotria malaspinae Aplokating-palaoan
Pteralyxia kauaiensis Kaulu
Pteralyxia laurifolia Kaulu
Pteralyxia macrocarpa Kaulu
Pteris lidgatei No common name
Pteroglossaspis ecristata Eulophia
Ptilagrostis porteri Porter's Feathergrass
Ptilimnium ahlesii Carolina bishopweed
Ptilimnium nodosum Harperella
Puccinellia howellii Howell's alkali grass
Puccinellia nutkaensis [Unnamed] alkali grass
Puccinellia parishii Parish's alkali grass
Purshia (=Cowania) subintegra Arizona Cliffrose
Pycnanthemum curvipes No common name
Pycnanthemum floridanum No common name
Pycnanthemum monotrichum [Unnamed] mountain-mint
Pycnanthemum torrei Torrey's mountainmint
Pyrrocoma insecticruris No common name
Pyrrocoma liatriformis No common name
Pyrrocoma radiata [Unnamed] goldenweed
Pyrrocoma uniflora gossypina Bear Valley pyrrocoma
Pyrrocoma uniflora var. uniflora [Unnamed] goldenweed
Pyxidanthera barbulata brevifolia Well's pixie-moss
Quercus arkansana [Unnamed] oak
Quercus berberidifolia Scrub oak
Quercus boyntonii Boynton's oak
Quercus douglasii Blue oak
Quercus dumosa Nuttall's scrub oak
quercus engelmannii Engelmann oak
Quercus georgiana [Unnamed] oak
Quercus graciliformis Slender oak
Quercus hinckleyi Hinckley oak
Quercus kelloggii California black oak
Quercus lobata Valley Oak
Quercus oglethorpensis Oglethorpe oak
Quercus parvula Santa Cruz Island oak
Quercus shumardii acerifolia Maple-leaf oak
Quercus tardifolia Chisos Mountains oak
Quercus tomentella Island oak
Raillardella pringlei Showy raillardella
Randia portoricensis No common name
Ranunculus aestivalis (=acriformis) Autumn Buttercup
Ranunculus austro-oreganus No common name
Ranunculus fascicularis cuneiformis Kerr crowfoot
Ranunculus hawaiensis Makou
Ranunculus inamoenus subaffinis [Unnamed] buttercup
Ranunculus laxicaulis Bladen buttercup
Ranunculus mauiensis Makou
Ranunculus occidentalis nelsonii No common name
Ranunculus triternatus No common name
Rauvolfia helleri No common name
Rauvolfia mauiensis No common name
Rauvolfia molokaiensis parvifolia No common name
Rauvolfia remotiflora Wahaula heiau
Rauvolfia sandwicensis sandwicensis Hao
Rauvolfia sandwicensis subacuminata No common name
Ravenia urbanii Prieto tortugo
Rayjacksonia aurea Houston tansyaster
Remya kauaiensis No common name
Remya mauiensis Maui remya
Remya montgomeryi No common name
Reynoldsia sandwicensis `Ohe
Rhapidophyllum hystrix Needle palm
Rhexia aristosa Awned meadowbeauty
Rhexia parviflora White meadowbeauty
Rhexia salicifolia Panhandle meadowbeauty
Rhinanthus arcticus No common name
Rhipsalis baccifera No common name
Rhodiola integrifolia ssp. leedyi Leedy's roseroot
Rhododendron austrinum [Unnamed] rhododendron
Rhododendron bakeri Baker's rhododendron
Rhododendron chapmanii Chapman rhododendron
Rhododendron prunifolium Plumleaf azalea
Rhododendron vaseyi Pink-shell azalea
Rhododon ciliatus No common name
Rhus kearneyi Kearney's sumac
Rhus michauxii Michaux's sumac
Rhus trilobata arenaria [Unnamed] sumac
Rhynchosia cinerea No common name
Rhynchospora californica California beaked-rush
Rhynchospora crinipes Hairy-peduncled beaked-rush
Rhynchospora culixa [Unnamed] beaked-rush
Rhynchospora decurrens [Unnamed] beaked-rush
Rhynchospora globularis saxicola [Unnamed] beaked-rush
Rhynchospora knieskernii Knieskern's Beaked-rush
Rhynchospora punctata [Unnamed] beaked-rush
Rhynchospora thornei Thorne's beaked-rush
Ribes canthariforme Moreno currant
Ribes divaricatum parishii Parish's gooseberry
Ribes echinellum Miccosukee gooseberry
Ribes thacherianum Santa Cruz gooseberry
Ribes tularensis Sequoia gooseberry
Rinodina brodoana Ernie''s mountain treasure
Rinodina chrysomelaena Muhlenberg''s smile
Robinia hartwigii Hartweg's Locust
Rollandia angustifolia ochreata No common name
Rollandia degenerana No common name
Romanzoffia thompsonii No common name
romneya coulteri Coulter's matilija poppy
Rorippa aquatica No common name
Rorippa calycina No common name
Rorippa coloradensis San Luis watercress
Rorippa columbiae Columbia yellow-cress
Rorippa gambellii Gambel's watercress
Rorippa subumbellata Tahoe yellow cress
Rosa minutifolia Small-leaved rose
Rosa stellata abyssa Grand Canyon rose
Rosa stellata stellata No common name
Roystonea elata Royal, Florida palm
Rubus bartonianus No common name
Rubus glaucifolius ganderi Cuyamaca raspberry
Rubus macraei No common name
Rubus missouricus No common name
Rubus nigerrimus No common name
Rubus trivialis [Unnamed] dewberry
Rubus whartoniae Wharton's dewberry
Rudbeckia auriculata Eared coneflower
Rudbeckia heliopsidis Sunfacing coneflower
Rudbeckia nitida nitida Yellow coneflower
Rudbeckia scabrifolia Bog coneflower
Rudbeckia triloba var. pinnatiloba pinnately-lobed brown-eyed susan
Ruellia drummondiana No common name
Rugelia nudicaulis Rugel''s Ragwort
Rumex krausei [Unnamed] sorrel
Rumex orthoneurus Chiricahua dock
Rumex spiralis No common name
Ruppia anomala Yerba de zanja
Sabal etonia Miami palmetto
Sageretia minutiflora No common name
Sagittaria fasciculata Bunched arrowhead
Sagittaria sanfordii Valley sagittaria
Sagittaria secundifolia Kral's water-plantain
Sairocarpus subcordatus Dimorphic snapdragon
Salix amygdaloides Peach-leaved willow
Salix arizonica Arizona willow
Salix floridana Florida willow
Salix fluviatilis [Unnamed] willow
Salix interior exterior Sandbar, inside-outside willow
Salix ovalifolia glacialis Round-leaf willow
Salvia amissa Aravaipa sage
Salvia brandegeei Brandegee's sage
Salvia columbariae ziegleri San Jacinto Mountains chia
Salvia dorrii clokeyi No common name
Salvia dorrii mearnsii Verde Valley sage
Salvia eremostachya Desert sage
Salvia funerea Death Valley sage
Salvia greatai Orocopia sage
Salvia micrantha var. blodgettii Blodgett's sage
Salvia penstemonoides Big red sage
Sanicula arctopoides Footsteps of spring
Sanicula hoffmannii Hoffman's sanicle
Sanicula kauaiensis No common name
Sanicula maritima Adobe sanicle
Sanicula mariversa No common name
Sanicula peckiana Peck's sanicle
Sanicula purpurea No common name
Sanicula sandwicensis No common name
Sanicula saxatilis Rock sanicle
Sanicula tracyi Tracy's sanicle
Santalum ellipticum littorale No common name
Santalum haleakalae var. lanaiense Lanai sandalwood (=`iliahi)
Santalum involutum No common name
Santalum salicifolium No common name
Santessoniella crossophylla Old gray cross-lobes
Sarracenia leucophylla [Unnamed] pitcher-plant
Sarracenia oreophila Green pitcher-plant
Sarracenia psittacina Parrot pitcher-plant
Sarracenia purpurea var. montana Mountain Purple pitcherplant
Sarracenia rubra rubra Sweet, red-flowered pitcher-plant
Sarracenia rubra ssp. alabamensis Alabama canebrake pitcher-plant
Sarracenia rubra ssp. gulfensis Gulf Sweet pitcherplant
Sarracenia rubra ssp. jonesii Mountain sweet pitcher-plant
Sarracenia rubra ssp. wherryi Wherry's Sweet pitcher-plant
Saussurea weberi No common name
Saxifraga aleutica Aleutian saxifrage
Saxifraga bryophora tobiasiae No common name
Saxifraga careyana [Unnamed] saxifrage
Saxifraga caroliniana Gray's saxifrage
Scaevola coriacea Dwarf naupaka
Scaevola gaudichaudiana No common name
Scaevola gaudichaudii Mountain naupaka
Scaevola kilaueae Kilauea naupaka
Schenkia sebaeoides Awiwi
Schiedea adamantis Diamond Head schiedea
Schiedea amplexicaulis Ma`oli`oli
Schiedea apokremnos Ma`oli`oli
Schiedea attenuata No common name
Schiedea diffusa ssp. macraei No common name
Schiedea diffusa subsp. diffusa No common name
Schiedea globosa foliosior Ma`oli`oli
Schiedea globosa globosa Ma`oli`oli
Schiedea globosa graminifolia Ma`oli`oli
Schiedea haleakalensis No common name
Schiedea hawaiiensis Ma`oli`oli
Schiedea helleri No common name
Schiedea hookeri No common name
Schiedea implexa No common name
Schiedea jacobii No common name
Schiedea kaalae No common name
Schiedea kauaiensis No common name
Schiedea kealiae Ma`oli`oli
Schiedea laui No common name
Schiedea ligustrina nematopoda Ma`oli`oli
Schiedea lychnoides Kuawawaenohu
Schiedea lydgatei No common name
Schiedea mannii No common name
Schiedea membranacea No common name
Schiedea menziesii No common name
Schiedea nuttallii No common name
Schiedea obovata No common name
Schiedea pubescens Ma`oli`oli
Schiedea salicaria No common name
Schiedea sarmentosa No common name
Schiedea spergulina var. leiopoda No common name
Schiedea spergulina var. spergulina No common name
Schiedea stellarioides Laulihilihi
Schiedea trinervis No common name
Schiedea verticillata No common name
Schiedea viscosa No common name
Schisandra glabra No common name
Schizachyrium niveum No common name
Schizachyrium rhizomatum No common name
Schizaea pusilla Curly-grass fern
Schlotheimia lancifolia Highlands moss
Schoenocrambe argillacea Clay reed-mustard
Schoenocrambe barnebyi Barneby reed-mustard
Schoenocrambe suffrutescens Shrubby reed-mustard
Schoenolirion wrightii Texas sunnybell
Schoenoplectiella hallii Hall's bulrush
Schoepfia arenaria No common name
Schwalbea americana American chaffseed
Scirpus ancistrochaetus Northeastern bulrush
Scirpus flaccidifolius Reclining bulrush
Scirpus longii Long's bulrush
Scleria hirtella No common name
Sclerocactus blainei Blaine's fishhook cactus
Sclerocactus brevihamatus ssp. tobuschii Tobusch fishhook cactus
Sclerocactus brevispinus Pariette cactus
Sclerocactus contortus No common name
Sclerocactus glaucus Colorado hookless Cactus
Sclerocactus mesae-verdae Mesa Verde cactus
Sclerocactus papyracanthus Paper-spined cactus
Sclerocactus polyancistrus Mojave fishhook cactus
Sclerocactus pubispinus Great Basin fishhook cactus
Sclerocactus schleseri Schleser's fishhook cactus
Sclerocactus sp. Sp. nov. ined. sclerocactus
Sclerocactus spinosior No common name
Sclerocactus warnockii No common name
Sclerocactus wetlandicus Uinta Basin hookless cactus
Sclerocactus whipplei heilii No common name
Sclerocactus whipplei reevesii No common name
Sclerocactus wrightiae Wright fishhook cactus
Scrophularia atrata Black-flowered figwort
Scrophularia laevis Organ Mountain figwort
Scrophularia macrantha [Unnamed] figwort
Scrophularia villosa Santa Catalina figwort
Scutellaria floridana Florida skullcap
Scutellaria laevis Smooth-stem skullcap
Scutellaria montana Large-flowered skullcap
Scutellaria nana Ravendale skullcap
Scutellaria ocmulgee Ocmulgee skullcap
Scutellaria ovata pseudoarguta Heart-leaved, skullcap
Scutellaria saxatilis [Unnamed] skullcap
Scutellaria thieretii Thieret's skullcap
Sedum albomarginatum Feather River stonecrop
Sedum eastwoodiae Red Mountain stonecrop
Sedum laxum flavidum Pale yellow stonecrop
Sedum laxum heckneri Heckner's stonecrop
Sedum moranii Reid's stonecrop
Sedum nevii Nevius' stonecrop
Sedum niveum Davidson's stonecrop
Sedum oblanceolatum Applegate stonecrop
Sedum paradisum Canyon Creek stonecrop
Sedum pinetorum Pine City stonecrop
Sedum pusillum [Unnamed] stonecrop
Sedum radiatum depauperatum Star-fruited, small stonecrop
Sedum robertsianum Robert's stonecrop
Sedum rosea roanensis [Unnamed] stonecrop
selaginella cinerascens Ashy spike-moss
Selaginella utahensis No common name
Selenia jonesii Jones' selenia
Senecio clevelandii heterophyllus Red Hills butterweed
Senecio dimorphophyllus intermedius Intermediate groundsel
Senecio ertterae Ertter's ragwort
Senecio hallii discoidea [Unnamed] groundsel
Senecio huachucanus Huachuca groundsel
Senecio hydrophilus No common name
Senecio layneae Layne's butterweed
Senecio lynceus leucoreus No common name
Senecio neowebsteri No common name
senecio quaylei quayle's ragwort
Senecio warnockii No common name
Senegalia berlandieri Emory acacia
Senna ripleyana Ripley's senna
Serianthes nelsonii Hayun Iagu (=(Guam), Tronkon guafi (Rota))
Sericocarpus rigidus Columbian whitetop aster
Sericocarpus rigidus Curtus aster
Sesbania tomentosa Ohai
Sesuvium trianthemoides Roughseed sea-purslane
Seymeria bipinnatisecta No common name
Shortia galacifolia var. brevistyla Northern Oconee Bells
Shortia galacifolia var. galacifolia Southern Oconee Bells
Shoshonea pulvinata No common name
Sibara filifolia Santa Cruz Island rockcress
Sibara grisea No common name
Sibara rosulata No common name
sibaropsis hammittii Hammitt's clay-cress
Sicyos albus `Anunu
Sicyos cucumerinus `Anunu
Sicyos hillebrandii No common name
Sicyos lanceoloideus No common name
Sicyos macrophyllus `Anunu
Sicyos maximowiczii No common name
Sicyos pachycarpus No common name
Sicyos pachycarpus No common name
Sicyos semitonsus No common name
Sida fallax No common name
Sida fallax No common name
Sida hermaphrodita Virginia mallow
Sida inflexa No common name
Sidalcea campestris Meadow checkermallow
Sidalcea candida No common name
Sidalcea covillei Owens Valley checkermallow
Sidalcea cusickii No common name
Sidalcea hendersonii Henderson's checkermallow
Sidalcea hickmanii anomala Cuesta Pass sidalcea
Sidalcea hickmanii hickmanii Hickman's sidalcea
Sidalcea hickmanii parishii Parish's checkerbloom
Sidalcea hickmanii viridis Marin checkermallow
Sidalcea keckii Keck's Checker-mallow
Sidalcea malvaeflora patula [Unnamed] checkermallow
Sidalcea malviflora elegans Del Norte checkermallow
Sidalcea malviflora ssp. virgata Dwarf checkerbloom
Sidalcea nelsoniana Nelson's checker-mallow
Sidalcea oregana hydrophila Water-loving checkermallow
Sidalcea oregana ssp. valida Kenwood Marsh checker-mallow
Sidalcea oregana var. calva Wenatchee Mountains checkermallow
Sidalcea pedata Pedate checker-mallow
Sidalcea robusta Butte County sidalcea
Sidalcea setosa No common name
Sidalcea stipularis Scadden Flat checkerbloom
Sida rubromarginata No common name
Sideroxylon reclinatum ssp. austrofloridense Everglades bully
Sideroxylon reclinatum var. austrofloridense Everglades bully
Sideroxylon thornei Georgia bully
Silene alexandri No common name
Silene aperta No common name
Silene campanulata campanulata Red Mountain catchfly
Silene clokeyi No common name
Silene cryptopetala No common name
Silene degeneri No common name
Silene douglasii oraria Cascade head catchfly
Silene hawaiiensis No common name
Silene invisa Red fir catchfly
Silene lanceolata No common name
Silene marmorensis Marble Mountain catchfly
Silene nachlingerae Jan's catchfly
Silene occidentalis longistipitata Butte County catchfly
Silene ovata Blue Ridge catchfly
Silene perlmanii No common name
Silene petersonii Plateau catchfly
Silene petersonii minor Red Canyon catchfly
Silene plankii Plank's catchfly
Silene polypetala Fringed campion
Silene rectiramea Grand Canyon catchfly
Silene regia Royal catchfly
Silene scaposa lobata No common name
Silene scaposa scaposa No common name
Silene seelyi No common name
Silene spaldingii Spalding's Catchfly
Silene subciliata Scarlet catchfly
Silene verecunda verecunda Mission Dolores campion
Silene virginica robusta [Unnamed] catchfly
Silene wrightii No common name
Silphium brachiatum [Unnamed] rosinweed
Silphium confertifolium No common name
Silphium integrifolium gattingeri [Unnamed] rosinweed
Sisyrinchium dichotomum White irisette
Sisyrinchium hitchcockii Hitchcock's blue-eyed grass
Sisyrinchium pallidum Pale blue-eyed grass
Sisyrinchium sarmentosum Mountain blue-eyed grass
Sium suave Florida water-parsnip
Smelowskia borealis villosa No common name
Smelowskia holmgrenii No common name
Smelowskia ovalis congesta Mt. Lassen smelowskia
Smelowskia pyriformis No common name
Smilax melastomifolia melastomifolia No common name
Smilax pseudochina No common name
Solanum bahamense rugelii [Unnamed] nightshade
Solanum carolinense floridanum No common name
Solanum carolinense hirsutum [Unnamed] horse-nettle
Solanum conocarpum Marron bacora
Solanum drymophilum Erubia
Solanum guamense Berenghenas halomtano
Solanum incompletum Popolo ku mai
Solanum mucronatum No common name
Solanum nelsonii Popolo
Solanum sandwicense `Aiakeakua, popolo
Solanum tenuilobatum Narrow-leaved nightshade
Solanum woodburyi No common name
Solidago albopilosa White-haired goldenrod
Solidago arenicola Southern Racemose goldenrod
Solidago arguta harrissii No common name
Solidago houghtonii Houghton's goldenrod
Solidago mollis angustata No common name
Solidago ouachitensis No common name
Solidago petiolaris No common name
Solidago plumosa Yadkin River Goldenrod
Solidago porteri Porter's goldenrod
Solidago pulchra Carolina goldenrod
Solidago shortii Short's goldenrod
Solidago simulans Granite Dome Goldenrod
Solidago sphathulata gillmanii No common name
Solidago spithamaea Blue Ridge goldenrod
Solidago verna Spring-flowering goldenrod
Sophora arizonica No common name
Sophora arizonica No common name
Sophora chrysophylla circularis No common name
Sophora chrysophylla elliptica No common name
Sophora chrysophylla glabrata No common name
Sophora chrysophylla grisea No common name
Sophora chrysophylla kanaioensis No common name
Sophora chrysophylla kauensis No common name
Sophora chrysophylla lanaiensis No common name
Sophora chrysophylla makuaensis No common name
Sophora chrysophylla unifoliata No common name
Sophora gypsophila guadalupensis Guadalupe Mountains mescal bean
Sophora leachiana No common name
Spermolepis hawaiiensis No common name
Sphaeralcea caespitosa Jones' globe-mallow
Sphaeralcea fendleri albescens [Unnamed] globe-mallow
Sphaeralcea gierischii Gierisch mallow
Sphaeralcea janeae No common name
Sphaeralcea procera No common name
Sphaeralcea psoraloides No common name
Sphaeralcea rusbyi eremicola Rusby's desert-mallow
Sphaeromeria compacta [Unnamed] tansy
Sphaeromeria ruthiae Zion tansy
Sphaeromeria simplex Laramie false sagebrush
Sphenolobopsis pearsoni [Unnamed] liverwort
Spigelia gentianoides Gentian pinkroot
Spigelia loganioides [Unnamed] pinkroot
Spigelia texana No common name
Spiraea virginiana Virginia spiraea
Spiranthes delitescens Canelo Hills ladies-tresses
Spiranthes diluvialis Ute ladies'-tresses
Spiranthes infernalis Ash Meadows ladies'-tresses
Spiranthes lanceolata paludicola [Unnamed] ladies'-tresses
Spiranthes parksii Navasota ladies-tresses
Sporobolus pyramidatus [Unnamed] dropseed
Sporobolus teretifolius Wireleaf dropseed
Sporobolus vaginiflorus var. ozarkanus Bald grass
Stachydeoma graveolens Mock pennyroyal
Stachys hyssopifolia lythroides Tallahassee hedge-nettle
Stahlia monosperma Cobana negra
Stanleya pinnata gibberosa No common name
Stebbinsoseris decipiens Santa Cruz silverpuffs
Stellaria fontinalis Water stitchwort
Stellaria irrigua Chickweed
Stenandrium fascicularis No common name
Stenogyne affinis degeneri No common name
Stenogyne angustifolia var. angustifolia No common name
Stenogyne bifida No common name
Stenogyne campanulata No common name
Stenogyne cinerea No common name
Stenogyne cranwelliae No common name
Stenogyne haliakalae No common name
Stenogyne kaalae ssp. sherffii No common name
Stenogyne kanehoana No common name
Stenogyne kauaulaensis No common name
Stenogyne kealiae No common name
Stenogyne macrantha No common name
Stenogyne microphylla No common name
Stenogyne oxygona No common name
Stenogyne purpurea forbesii No common name
Stenogyne rotundifolia No common name
Stenogyne rotundifolia oblonga No common name
Stenogyne rugosa No common name
Stenogyne rugosa mollis No common name
Stenogyne rugosa subulata Ma`ohi`ohi
Stenogyne salicifolia No common name
Stenogyne scrophularioides No common name
Stenogyne scrophularioides No common name
Stenogyne scrophularioides No common name
Stenogyne sessilis hexantha No common name
Stenogyne sessilis laniensis No common name
Stenogyne sessilis wilkesii No common name
Stenogyne viridis No common name
Stephanomeria blairii Blair's munzothamnus
Stephanomeria malheurensis Malheur wire-lettuce
Stephanomeria schottii Schott's wire-lettuce
Stillingia sylvatica tenuis No common name
Stipa lemmonii pubescens Hairy Lemmon's needlegrass
Streptanthus albidus peramoenus Most beautiful jewelflower
Streptanthus albidus ssp. albidus Metcalf Canyon jewelflower
Streptanthus batrachopus Tamalpais jewelflower
Streptanthus bernardinus Laguna Mountains jewelflower
Streptanthus brachiatus brachiatus Contact Mine streptanthus
Streptanthus brachiatus hoffmanii Freed's jewelflower
Streptanthus bracteatus Bracted twistflower
Streptanthus callistus Mt. Hamilton jewelflower
Streptanthus carinatus No common name
Streptanthus cordatus piutensis Piute Mountains jewelflower
Streptanthus cutleri Cutler's twistflower
Streptanthus farnsworthianus Evalyn's jewelflower
Streptanthus fenestratus Tehipite Valley jewelflower
Streptanthus glandulosus hoffmanii Secund jewelflower
Streptanthus glandulosus pulchellus Mount Tamalpais jewelflower
Streptanthus gracilis Alpine streptanthus
Streptanthus hispidus Mt. Diablo jewelflower
Streptanthus howellii Howell's jewelflower
Streptanthus insignis lyonii Auburua Ranch jewelflower
Streptanthus lemmonii Lemmon's jewelflower
Streptanthus morrisonii elatus Three Peaks jewelflower
Streptanthus morrisonii hirtiflorus Dorr's Cabin jewelflower
Streptanthus morrisonii kruckebergii Kruckeberg's jewelflower
Streptanthus morrisonii morrisonii Morrison's jewelflower
Streptanthus niger Tiburon jewelflower
Streptanthus oliganthus Masonic Mountain jewelflower
Streptanthus sp. Sp. nov. ined. (Pit River) jewelflower
Streptanthus sparsiflorus Few-flowered jewelflower
Streptanthus squamiformis [Unnamed] jewelflower
Stroganowia tiehmii Tiehm's stroganowia
Stylisma pickeringii Pickering's morning-glory
Stylocline citroleum No common name
Stylocline masonii No common name
Styphelia tameiameiae hexamera No common name
Styrax platanifolia stellata [Unnamed] silverbells
Styrax platanifolius ssp. youngiae Young's snowbell
Styrax portoricensis Palo de jazmin
Styrax texanus Texas snowbells
Suaeda californica California seablite
Suaeda nigra Hardtoe seepweed
Suaeda rolandii No common name
suaeda taxifolia Woolly seablite
Sulcaria isidiisera Splitting yarn lichen
Sullivantia hapemanii No common name
Sullivantia oregana No common name
Sullivantia purpusii No common name
Sullivantia sullivantii [Unnamed] sullivantia
Swallenia alexandrae Eureka Dune grass
Symphoricarpos guadalupensis McKittrick snowberry
Symphyotrichum chapmanii Chapman's aster
Symphyotrichum depauperatum Serpentine aster
Symphyotrichum dumosum [Unnamed] aster
Symphyotrichum georgianum Georgia aster
Symphyotrichum hallii [Unnamed] aster
Symphyotrichum jessicae Jessica's aster
Symphyotrichum kralii [Unnamed] aster
Symphyotrichum molle [Unnamed] aster
Symphyotrichum plumosum [Unnamed] aster
Symphyotrichum potosinum [Unnamed] aster
Symphyotrichum puniceum var. scabricaule rough-stemmed aster
Symphyotrichum rhiannon Buck Creek serpentine barren aster
Symphyotrichum X schistosum [Unnamed] aster
Symphyotrichum yukonense Yukon aster
Synandra hispidula [Unnamed] synandra
Synthyris canbyi No common name
Synthyris missurica hirsuta No common name
Synthyris missurica stellata No common name
Synthyris pinnatifida canescens No common name
Synthyris pinnatifida lanuginosa No common name
Synthyris platycarpa No common name
Synthyris ranunculina [Unnamed] kittentails
Synthyris schizantha No common name
Tabernaemontana rotensis No common name
Taenidia montana Mountain pimpernel
Tagetes lemmonii No common name
Talinum calcaricum Limestone fameflower
Talinum gooddingii Goodding fameflower
Talinum humile Pinos Altos fameflower
Talinum marginatum Tepic fameflower
Talinum mengesii [Unnamed] fameflower
Talinum rugospermum Rough-seeded fameflower
Talinum thompsonii [Unnamed] fameflower
Talinum validulum Tusayan fameflower
Tanacetum camphoratum Dune tansy
Taraxacum californicum California taraxacum
Taraxacum carneocoloratum No common name
Tarenaya spinosa Wild spiderflower
Tauschia glauca Glaucous tauschia
Tauschia hooveri Hoover's tauschia
Tauschia howellii Howell's tauschia
Tauschia stricklandii No common name
Tauschia tenuissima No common name
Taxus brevifolia Pacific yew
Taxus floridana Florida yew
Tectaria amesiana No common name
Tectaria coriandrifolia Hairy halberd fern
Tectaria estremerana No common name
Teloschistes villosus No common name
Tephrosia angustissima No common name
Tephrosia mohrii Pineland hoary-pea
Ternstroemia luquillensis Palo colorado
Ternstroemia subsessilis No common name
Tetracoccus dioicus Parry's tetracoccus
Tetracoccus ilicifolius Holly-leaved tetracoccus
Tetramolopium arenarium No common name
Tetramolopium capillare Pamakani
Tetramolopium consanguineum consanguineum No common name
Tetramolopium consanguineum leptophyllum No common name
Tetramolopium conyzoides No common name
Tetramolopium filiforme No common name
Tetramolopium humile sublaeve No common name
Tetramolopium kavaiensis koloana No common name
Tetramolopium lepidotum arbusculum No common name
Tetramolopium lepidotum ssp. lepidotum No common name
Tetramolopium remyi No common name
Tetramolopium rockii No common name
Tetramolopium tenerrimum No common name
Tetramolopius kavaiensis koloana No common name
Tetraneuris torreyana No common name
Tetraneuris turneri No common name
Tetraneuris verdiensis Verde four-nerve daisy
Tetraplasandra hawaiiensis hawaiiensis No common name
Tetraplasandra hawaiiensis microcarpa `Ohe
Tetraplasandra kaalae multiplex `Ohe
Tetraplasandra kahanana No common name
Tetraplasandra kavaiensis dipyrena `Ohe`ohe )
Tetraplasandra kavaiensis grandis `Ohe`ohe
Tetraplasandra kavaiensis intercedens `Ohe`ohe e
Tetraplasandra kavaiensis koloana `Ohe`ohe
Tetraplasandra kavaiensis nahikuensis `Ohe`ohe s
Tetraplasandra kavaiensis occidua `Ohe`ohe
Tetraplasandra kohalae No common name
Tetraplasandra lanaiensis No common name
Tetraplasandra lihuensis gracilipes No common name
Tetraplasandra meiandra bisobtusa No common name
Tetraplasandra meiandra bryanii No common name
Tetraplasandra meiandra degeneri No common name
Tetraplasandra meiandra hillebrandii No common name
Tetraplasandra meiandra hiloensis No common name
Tetraplasandra meiandra leptomera No common name
Tetraplasandra meiandra makalehana No common name
Tetraplasandra meiandra rhynchocarpoides No common name
Tetraplasandra meiandra simulans No common name
Tetraplasandra munroi No common name
Tetraplasandra oahuensis eradiata No common name
Tetraplasandra oahuensis fauriei No common name
Tetraplasandra oahuensis hailiensis No common name
Tetraplasandra oahuensis longipes No common name
Tetraplasandra oahuensis pseudorhachis No common name
Tetraplasandra pupukeensis nitida No common name
Tetraplasandra pupukeensis pupukeensis No common name
Tetraplasandra pupukeensis venosa No common name
Tetraplasandra turbans No common name
Tetraplasandra waialealae urceolata No common name
Tetraplasandra waianensis Wai`anae tetraplasandra
Tetraplasandra waimeae angustior No common name
Texosporium sancti-jacobi [Unnamed] lichen
Thalictrum arkansanum No common name
Thalictrum cooleyi Cooley's meadowrue
Thalictrum coriaceum Steele's meadowrue
Thalictrum debile Southern meadowrue
Thalictrum heliophilum No common name
Thalictrum macrostylum No common name
Thalictrum macrostylum Piedmont meadow-rue
Thalictrum mirabile No common name
Thalictrum texanum Houston meadowrue
Thaspium pinnatifidum mountain thaspium
Thelesperma caespitosum No common name
Thelesperma pubescens No common name
Thelesperma subnudum alpinum No common name
Thelocactus bicolor flavidispinus No common name
Thelypodiopsis purpusii No common name
Thelypodiopsis purpusii No common name
Thelypodium brachycarpum Short-podded thelypody
Thelypodium eucosmum No common name
Thelypodium howellii ssp. spectabilis Howell''s spectacular thelypody
Thelypodium laxiflorum No common name
Thelypodium repandum Jaeger's thelypody
Thelypodium sagittatum ovalifolium No common name
Thelypodium stenopetalum Slender-petaled mustard
Thelypodium tenue Fresno Creek thelypody
Thelypodium texanum [Unnamed] thelypody
Thelypteris hastata heterodoxa No common name
Thelypteris inabonensis No common name
Thelypteris pilosa var. alabamensis Alabama streak-sorus fern
Thelypteris verecunda No common name
Thelypteris yaucoensis No common name
Thermopsis macrophylla agnina Santa Barbara false-lupine
Thermopsis macrophylla semota Velvety false-lupine
Thismia americana No common name
Thlaspi arcticum No common name
Thlaspi californicum Kneeland Prairie penny-cress
Thlaspi montanum siskiyouense No common name
Thymophylla tephroleuca Ashy dogweed
Thysanocarpus conchuliferus Santa Cruz Island fringepod
Tillandsia baileyi Bailey's ballmoss
Tillandsia lineatispica Pinon
Tinospora homosepala No common name
Tithonia thurberi No common name
Tofieldia glabra Smooth bog-asphodel
Tofieldia glutinosa absona No common name
Toiyabea alpina No common name
Tomanthera caddoensis Caddo purple false-foxglove
Tomanthera pseudaphylla Shinner's false-foxglove
Tomanthera skinneriana Purple false-foxglove
Tonestus eximius Tahoe haplopappus
Tonestus graniticus No common name
Torreya taxifolia Florida torreya
Tortula ammonsiana Ammon's tortula
Townsendia alpigena minima No common name
Townsendia aprica Last Chance townsendia
Townsendia jonesii lutea [Unnamed] townsendia
Townsendia jonesii tumulosa No common name
Townsendia mensana [Unnamed] townsendia
Townsendia rothrockii [Unnamed] townsendia
Townsendia sp. Sp. nov. ined. (Nye Co.) townsendia
Townsendia sp. Sp. nov. ined. (WY) townsendia
Townsendia sp. Sp. nov. ined. (gypsum) townsendia
Townsendia spathulata Sword townsendia
Tracyina rostrata Beaked tracyina
Tradescantia edwardsiana No common name
Tradescantia ozarkana No common name
Tradescantia wrightii Wright's spiderwort
Tragia nigricans No common name
Tragia saxicola No common name
Trematolobelia grandifolia No common name
Trematolobelia singularis No common name
Trichilia triacantha Bariaco
Trichocentrum undulatum Cape Sable orchid
trichocoronis wrightii Wright's trichocoronis
Trichomanes draytonianum No common name
Trichomanes punctatum ssp. floridanum Florida bristle fern
Trichostema austromontanum ssp. compactum Hidden Lake bluecurls
Trichostema sp. Sp. nov. ined. blue curls
Trifolium amoenum Showy Indian clover
Trifolium andersonii beatleyae Beatley's clover
Trifolium andinum podocephalum No common name
Trifolium barnebyi [Unnamed] clover
Trifolium bolanderi Parasol clover
Trifolium calcaricum [Unnamed] clover
Trifolium dedeckerae DeDecker's clover
Trifolium friscanum Frisco clover
Trifolium leibergii [Unnamed] clover
Trifolium lemmonii Lemmon's clover
Trifolium macilentum rollinsii [Unnamed] clover
Trifolium neurophyllum [Unnamed] clover
Trifolium owyheense Owyhee clover
Trifolium plumosum amplifolium [Unnamed] clover
Trifolium plumosum plumosum [Unnamed] clover
Trifolium stoloniferum Running buffalo clover
Trifolium thompsonii Thompson's clover
Trifolium trichocalyx Monterey clover
Trifolium variegatum Pacific Grove clover
Trifolium virginicum Kate's-mountain clover
Triglochin gaspense Gaspe Peninsula arrow-grass
Trillium ovatum oettingeri Salmon Mountains wake robin
Trillium persistens Persistent trillium
Trillium pusillum monticulum No common name
Trillium pusillum ozarkanum Least, Ozark trillium
Trillium pusillum texanum Texas trillium
Trillium pusillum var. pusillum Carolina Least Trillium
Trillium pusillum virginianum Least, Virginia trillium
Trillium reliquum Relict trillium
Triniteurybia aberrans No common name
Triphora craigheadii Craighead's nodding-caps
Triphora latifolia [Unnamed] nodding-caps
Triphora yucatanensis [Unnamed] nodding-caps
Triphysaria floribunda San Francisco owl's-clover
Tripsacum floridanum [Unnamed] gama grass
Trisetum orthochaetum No common name
Triteleia clementina San Clemente Island brodiaea
Triteleia dudleyi Dudley's brodiaea
Triteleia lemmonae No common name
Triteleiopsis palmeri No common name
Trollius laxus laxus No common name
Tropidocarpum capparideum Caper-fruited tropidocarpum
Tsuga caroliniana Carolina hemlock
Tuberolabium guamense No common name
Tuctoria greenei Greene's tuctoria
Tuctoria mucronata Solano grass
Tumamoca macdougalii Tumamoc globeberry
Turbinicarpus gautii Butterfly, Gaut's cactus
Urera glabra No common name
Urera kaalae Opuhe
Urtica chamaedryoides No common name
Usnea longissima No common name
Vaccinium crassifolium Raynor's huckleberry
Vaccinium hirsutum Wooly berry
Vaccinium membranaceum Siskiyou Mountains bilberry
Vaccinium vacillans missouriense No common name
Valeriana columbiana No common name
Valeriana texana Guadalupe valerian
Valeriana uliginosa Marsh valerian
Valerianella texana Edwards' Plateau cornsalad
Vancouveria chrysantha Siskiyou inside-out flower
Varronia rupicola No common name
Vauquelinia californica pauciflora Limestone rosewood
Veratrum fimbriatum Fringed false-hellebore
Veratrum woodii False hellebore
Verbena californica Red Hills vervain
Verbena riparia Riverbank vervain
Verbesina chapmanii Chapman's crownbeard
Verbesina dissita Big-leaved crownbeard
Verbesina heterophylla No common name
Vernonia borinquensis No common name
Vernonia proctorii No common name
Vernonia pulchella No common name
Veronica copelandii Copeland's speedwell
Veronica peregrina No common name
Viburnum bracteatum [Unnamed] arrowwood
Vicia menziesii Hawaiian vetch
Vicia minutiflora Hairy pod vetch
Vicia ocalensis Ocala vetch
Vigna o-wahuensis No common name
viguiera laciniata San Diego County viguiera
Viguiera phenax Field goldeneye
Viola adunca cascadensis No common name
Viola chamissoniana ssp. chamissoniana Pamakani
Viola egglestonii No common name
Viola flettii Flett's violet
Viola franksmithii Frank Smith's violet
Viola guadalupensis Guadalupe Mountain violet
Viola helenae No common name
Viola kauaiensis var. wahiawaensis Nani wai`ale`ale
Viola lanaiensis No common name
Viola lithion No common name
Viola novae-angliae New England violet
Viola oahuensis No common name
Viola primulifolia occidentalis Western bog violet
Viola purpurea charlestonensis Limestone violet
Viola robusta No common name
Viola tomentosa Felt-leaf violet
Waldsteinia idahoensis No common name
Waldsteinia lobata Piedmont barren strawberry
Waltheria pyrolaefolia No common name
Warea amplexifolia Wide-leaf warea
Warea carteri Carter's mustard
Warea sessilifolia Sessile-leaved warea
Wikstroemia basicorda No common name
Wikstroemia hanalei No common name
Wikstroemia isae No common name
Wikstroemia leptantha No common name
Wikstroemia monticola occidentalis No common name
Wikstroemia sandwicensis No common name
Wikstroemia skottsbergiana No common name
Wikstroemia villosa No common name
Wilkesia hobdyi Dwarf iliau
Wilkstroemia bicornuta No common name
Willkommia texana No common name
Woodsia abbeae No common name
Woodsia oregana cathcartiana Oregon woodsia
Wyethia reticulata El Dorado mule-ears
xanthoparmelia dissensa No common name
xanthoparmelia planilobata No common name
Xylorhiza cognata Mecca aster
Xylorhiza confertifolia No common name
Xylorhiza cronquistii No common name
Xylorhiza orcuttii Borrego aster
Xylosma crenatum No common name
Xyris drummondii Drummond's yellow-eyed grass
Xyris isoetifolia No common name
Xyris longisepala Karst pond xyris
Xyris scabrifolia No common name
Xyris tennesseensis Tennessee yellow-eyed grass
Yermo xanthocephalus Desert yellowhead
Yucca angustissima toftiae No common name
Yucca brevifolia Joshua Tree
yucca cernua No common name
Zamia integrifolia pigmaea Florida coontie
Zanthoxylum dipetalum dipetalum Kawa`u
Zanthoxylum dipetalum var. tomentosum A`e
Zanthoxylum glandulosum No common name
Zanthoxylum hawaiiense A`e
Zanthoxylum kauaense kohuana No common name
Zanthoxylum maviense No common name
Zanthoxylum oahuense A`e
Zanthoxylum parvum Shinner's tickle-tongue
Zanthoxylum semiarticulatum A`e
Zanthoxylum skottsbergii A`e
Zanthoxylum thomasianum St. Thomas prickly-ash
Zephyranthes simpsonii No common name
Zephyranthes treatiae No common name
Zigadenus vaginatus Sheathed deathcamus
Zizania texana Texas wild-rice
Zizia trifoliata No common name
Ziziphus celata Florida ziziphus