Listed Flowering Plants

901 Records

Parameters:
  • Species Groups: Flowering Plants
  • Listing Statuses: Endangered, Threatened, Emergency Listing, Endangered, Emergency Listing, Threatened, Similarity of Appearance (Endangered), Similarity of Appearance (Threatened)
  • Listed in the US
Scientific Name Common Name Lead Region Federal Listing Status Where Listed
Abronia macrocarpa Large-fruited sand-verbena 2 Endangered Wherever found
Abutilon eremitopetalum No common name 1 Endangered Wherever found
Abutilon menziesii Ko`oloa`ula 1 Endangered Wherever found
Abutilon sandwicense No common name 1 Endangered Wherever found
Acaena exigua Liliwai 1 Endangered Wherever found
Acanthomintha ilicifolia San Diego thornmint 8 Threatened Wherever found
Acanthomintha obovata ssp. duttonii San Mateo thornmint 8 Endangered Wherever found
Achyranthes mutica No common name 1 Endangered Wherever found
Achyranthes splendens var. rotundata Round-leaved chaff-flower 1 Endangered Wherever found
Acmispon dendroideus var. traskiae (=Lotus d. ssp. traskiae) San Clemente Island lotus (=broom) 8 Threatened Wherever found
Aconitum noveboracense Northern wild monkshood 3 Threatened Wherever found
Aeschynomene virginica Sensitive joint-vetch 5 Threatened Wherever found
Agalinis acuta Sandplain gerardia 5 Endangered Wherever found
Agave eggersiana No common name 4 Endangered Wherever found
Alectryon macrococcus Mahoe 1 Endangered Wherever found
Allium munzii Munz's onion 8 Endangered Wherever found
Alopecurus aequalis var. sonomensis Sonoma alopecurus 8 Endangered Wherever found
Amaranthus brownii No common name 1 Endangered Wherever found
Amaranthus pumilus Seabeach amaranth 4 Threatened Wherever found
Ambrosia cheiranthifolia South Texas ambrosia 2 Endangered Wherever found
Ambrosia pumila San Diego ambrosia 8 Endangered Wherever found
Amorpha crenulata Crenulate lead-plant 4 Endangered Wherever found
Amphianthus pusillus Little amphianthus 4 Threatened Wherever found
Amsinckia grandiflora Large-flowered fiddleneck 8 Endangered Wherever found
Amsonia kearneyana Kearney's blue-star 2 Endangered Wherever found
Apios priceana Price's potato-bean 4 Threatened Entire
Arabis georgiana Georgia rockcress 4 Threatened Wherever found
Arabis hoffmannii Hoffmann's rock-cress 8 Endangered Wherever found
Arabis macdonaldiana McDonald's rock-cress 8 Endangered Wherever found
Arabis perstellata Braun's rock-cress 4 Endangered Wherever found
Arabis serotina Shale barren rock cress 5 Endangered Wherever found
Arctomecon humilis Dwarf Bear-poppy 6 Endangered Wherever found
Arctostaphylos confertiflora Santa Rosa Island manzanita 8 Endangered Wherever found
Arctostaphylos franciscana Franciscan manzanita 8 Endangered Wherever found
Arctostaphylos glandulosa ssp. crassifolia Del Mar manzanita 8 Endangered Wherever found
Arctostaphylos hookeri var. ravenii Presidio Manzanita 8 Endangered Wherever found
Arctostaphylos morroensis Morro manzanita 8 Threatened Wherever found
Arctostaphylos myrtifolia Ione manzanita 8 Threatened Wherever found
Arctostaphylos pallida Pallid manzanita 8 Threatened Wherever found
Arenaria cumberlandensis Cumberland sandwort 4 Endangered Wherever found
Arenaria paludicola Marsh Sandwort 8 Endangered Wherever found
Arenaria ursina Bear Valley sandwort 8 Threatened Wherever found
Argemone pleiacantha ssp. pinnatisecta Sacramento prickly poppy 2 Endangered Wherever found
Argyroxiphium kauense Mauna Loa (=Ka'u) silversword 1 Endangered Wherever found
Argyroxiphium sandwicense ssp. macrocephalum `Ahinahina 1 Threatened Wherever found
Argyroxiphium sandwicense ssp. sandwicense `Ahinahina 1 Endangered Wherever found
Argythamnia blodgettii Blodgett's silverbush 4 Threatened Wherever found
Aristida chaseae No common name 4 Endangered Wherever found
Aristida portoricensis Pelos del diablo 4 Endangered Wherever found
Asclepias meadii Mead's milkweed 3 Threatened Wherever found
Asclepias welshii Welsh's milkweed 6 Threatened Wherever found
Asimina tetramera Four-petal pawpaw 4 Endangered Wherever found
Astelia waialealae Pa`iniu 1 Endangered Wherever found
Astragalus albens Cushenbury milk-vetch 8 Endangered Wherever found
Astragalus ampullarioides Shivwits milk-vetch 6 Endangered Wherever found
Astragalus applegatei Applegate's milk-vetch 8 Endangered Wherever found
Astragalus bibullatus Guthrie's (=Pyne's) ground-plum 4 Endangered Wherever found
Astragalus brauntonii Braunton's milk-vetch 8 Endangered Wherever found
Astragalus clarianus Clara Hunt's milk-vetch 8 Endangered Wherever found
Astragalus cremnophylax var. cremnophylax Sentry milk-vetch 2 Endangered Wherever found
Astragalus desereticus Deseret milkvetch 6 Threatened Wherever found
Astragalus holmgreniorum Holmgren milk-vetch 6 Endangered Wherever found
Astragalus humillimus Mancos milk-vetch 2 Endangered Wherever found
Astragalus jaegerianus Lane Mountain milk-vetch 8 Endangered Wherever found
Astragalus lentiginosus var. coachellae Coachella Valley milk-vetch 8 Endangered Wherever found
Astragalus lentiginosus var. piscinensis Fish Slough milk-vetch 8 Threatened Wherever found
Astragalus magdalenae var. peirsonii Peirson's milk-vetch 8 Threatened Wherever found
Astragalus montii Heliotrope milk-vetch 6 Threatened Wherever found
Astragalus osterhoutii Osterhout milkvetch 6 Endangered Wherever found
Astragalus phoenix Ash meadows milk-vetch 8 Threatened Wherever found
Astragalus pycnostachyus var. lanosissimus Ventura Marsh Milk-vetch 8 Endangered Wherever found
Astragalus robbinsii var. jesupi Jesup's milk-vetch 5 Endangered Wherever found
Astragalus tener var. titi Coastal dunes milk-vetch 8 Endangered Wherever found
Astragalus tricarinatus Triple-ribbed milk-vetch 8 Endangered Wherever found
Astrophytum asterias Star cactus 2 Endangered Wherever found
Atriplex coronata var. notatior San Jacinto Valley crownscale 8 Endangered Wherever found
Auerodendron pauciflorum No common name 4 Endangered Wherever found
Ayenia limitaris Texas ayenia 2 Endangered Wherever found
Baccharis vanessae Encinitas baccharis 8 Threatened Wherever found
Banara vanderbiltii Palo de ramon 4 Endangered Wherever found
Baptisia arachnifera Hairy rattleweed 4 Endangered Wherever found
Berberis nevinii Nevin's barberry 8 Endangered Wherever found
Berberis pinnata ssp. insularis Island Barberry 8 Endangered Wherever found
Betula uber Virginia round-leaf birch 5 Threatened Wherever found
Bidens amplectens Ko`oko`olau 1 Endangered Wherever found
Bidens campylotheca pentamera Ko`oko`olau 1 Endangered Wherever found
Bidens campylotheca waihoiensis Ko`oko`olau 1 Endangered Wherever found
Bidens conjuncta Ko`oko`olau 1 Endangered Wherever found
Bidens hillebrandiana ssp. hillebrandiana kookoolau 1 Endangered Wherever found
Bidens micrantha ctenophylla Ko`oko`olau 1 Endangered Wherever found
Bidens micrantha ssp. kalealaha Ko`oko`olau 1 Endangered Wherever found
Bidens wiebkei Ko`oko`olau 1 Endangered Wherever found
Blennosperma bakeri Sonoma sunshine 8 Endangered Wherever found
Boltonia decurrens Decurrent false aster 3 Threatened Wherever found
Bonamia grandiflora Florida bonamia 4 Threatened Wherever found
Bonamia menziesii No common name 1 Endangered Wherever found
Brickellia mosieri Florida brickell-bush 4 Endangered Wherever found
Brighamia insignis Olulu 1 Endangered Wherever found
Brighamia rockii Pua `ala 1 Endangered Wherever found
Brodiaea filifolia Thread-leaved brodiaea 8 Threatened Wherever found
Brodiaea pallida Chinese Camp brodiaea 8 Threatened Wherever found
Bulbophyllum guamense Cebello halumtano 1 Threatened Wherever found
Buxus vahlii Vahl's boxwood 4 Endangered Wherever found
Calamagrostis expansa Maui reedgrass 1 Endangered Wherever found
Calamagrostis hillebrandii Hillegrand's reedgrass 1 Endangered Wherever found
Callicarpa ampla Capa rosa 4 Endangered Wherever found
Callirhoe scabriuscula Texas poppy-mallow 2 Endangered Wherever found
Calochortus tiburonensis Tiburon mariposa lily 8 Threatened Wherever found
Calyptranthes thomasiana No common name 4 Endangered Wherever found
Calyptridium pulchellum Mariposa pussypaws 8 Threatened Wherever found
Calyptronoma rivalis Palma de manaca 4 Threatened Wherever found
Calystegia stebbinsii Stebbins' morning-glory 8 Endangered Wherever found
Camissonia benitensis San Benito evening-primrose 8 Threatened Wherever found
Campanula robinsiae Brooksville bellflower 4 Endangered Wherever found
Canavalia molokaiensis `Awikiwiki 1 Endangered Wherever found
Canavalia napaliensis `Awikiwiki 1 Endangered Wherever found
Canavalia pubescens `Awikiwiki 1 Endangered Wherever found
Cardamine micranthera Small-anthered bittercress 4 Endangered Wherever found
Carex albida White sedge 8 Endangered Wherever found
Carex lutea Golden sedge 4 Endangered Wherever found
Carex specuicola Navajo sedge 2 Threatened Wherever found
Castilleja affinis ssp. neglecta Tiburon paintbrush 8 Endangered Wherever found
Castilleja campestris ssp. succulenta Fleshy owl's-clover 8 Threatened Wherever found
Castilleja cinerea Ash-grey paintbrush 8 Threatened Wherever found
Castilleja grisea San Clemente Island indian paintbrush 8 Threatened Wherever found
Castilleja levisecta golden paintbrush 1 Threatened Wherever found
Castilleja mollis Soft-leaved paintbrush 8 Endangered Wherever found
Catesbaea melanocarpa No common name 4 Endangered Wherever found
Caulanthus californicus California jewelflower 8 Endangered Wherever found
Ceanothus ferrisae Coyote ceanothus 8 Endangered Wherever found
Ceanothus ophiochilus Vail Lake ceanothus 8 Threatened Wherever found
Ceanothus roderickii Pine Hill ceanothus 8 Endangered Wherever found
Cenchrus agrimonioides Kamanomano 1 Endangered Wherever found
Centaurium namophilum Spring-loving centaury 8 Threatened Wherever found
Cercocarpus traskiae Catalina Island mountain-mahogany 8 Endangered Wherever found
Cereus eriophorus var. fragrans Fragrant prickly-apple 4 Endangered Wherever found
Chamaecrista glandulosa var. mirabilis No common name 4 Endangered Wherever found
Chamaecrista lineata keyensis Big Pine partridge pea 4 Endangered Wherever found
Chamaesyce deltoidea pinetorum Pineland sandmat 4 Threatened Wherever found
Chamaesyce deltoidea serpyllum Wedge spurge 4 Endangered Wherever found
Chamaesyce deltoidea ssp. deltoidea Deltoid spurge 4 Endangered Wherever found
Chamaesyce garberi Garber's spurge 4 Threatened Wherever found
Chamaesyce hooveri Hoover's spurge 8 Threatened Wherever found
Charpentiera densiflora Papala 1 Endangered Wherever found
Chionanthus pygmaeus Pygmy fringe-tree 4 Endangered Wherever found
Chlorogalum purpureum Purple amole 8 Threatened Wherever found
Chorizanthe howellii Howell's spineflower 8 Endangered Wherever found
Chorizanthe orcuttiana Orcutt's spineflower 8 Endangered Wherever found
Chorizanthe pungens var. hartwegiana Ben Lomond spineflower 8 Endangered Wherever found
Chorizanthe pungens var. pungens Monterey spineflower 8 Threatened Wherever found
Chorizanthe robusta var. hartwegii Scotts Valley spineflower 8 Endangered Wherever found
Chorizanthe robusta var. robusta Robust spineflower 8 Endangered Wherever found
Chorizanthe valida Sonoma spineflower 8 Endangered Wherever found
Chromolaena frustrata Cape Sable Thoroughwort 4 Endangered Wherever found
Chrysopsis floridana Florida golden aster 4 Endangered Wherever found
Cirsium fontinale var. fontinale Fountain thistle 8 Endangered Wherever found
Cirsium fontinale var. obispoense Chorro Creek bog thistle 8 Endangered Wherever found
Cirsium hydrophilum var. hydrophilum Suisun thistle 8 Endangered Wherever found
Cirsium loncholepis La Graciosa thistle 8 Endangered Wherever found
Cirsium pitcheri Pitcher's thistle 3 Threatened Wherever found
Cirsium vinaceum Sacramento Mountains thistle 2 Threatened Wherever found
Clarkia franciscana Presidio clarkia 8 Endangered Wherever found
Clarkia imbricata Vine Hill clarkia 8 Endangered Wherever found
Clarkia speciosa ssp. immaculata Pismo clarkia 8 Endangered Wherever found
Clarkia springvillensis Springville clarkia 8 Threatened Wherever found
Clematis morefieldii Morefield's leather flower 4 Endangered Entire
Clematis socialis Alabama leather flower 4 Endangered Wherever found
Clermontia drepanomorpha `Oha wai 1 Endangered Wherever found
Clermontia lindseyana `Oha wai 1 Endangered Wherever found
Clermontia oblongifolia ssp. brevipes `Oha wai 1 Endangered Wherever found
Clermontia oblongifolia ssp. mauiensis `Oha wai 1 Endangered Wherever found
Clermontia peleana `Oha wai 1 Endangered Wherever found
Clermontia pyrularia `Oha wai 1 Endangered Wherever found
Clermontia samuelii `Oha wai 1 Endangered Wherever found
Clitoria fragrans Pigeon wings 4 Threatened Wherever found
Colubrina oppositifolia Kauila 1 Endangered Wherever found
Conradina brevifolia Short-leaved rosemary 4 Endangered Wherever found
Conradina etonia Etonia rosemary 4 Endangered Wherever found
Conradina glabra Apalachicola rosemary 4 Endangered Wherever found
Conradina verticillata Cumberland rosemary 4 Threatened Wherever found
Consolea corallicola Florida semaphore Cactus 4 Endangered Wherever found
Cordia bellonis No common name 4 Endangered Wherever found
Cordylanthus maritimus ssp. maritimus Salt marsh bird's-beak 8 Endangered Wherever found
Cordylanthus mollis ssp. mollis Soft bird's-beak 8 Endangered Wherever found
Cordylanthus palmatus Palmate-bracted bird's beak 8 Endangered Wherever found
Cordylanthus tenuis ssp. capillaris Pennell's bird's-beak 8 Endangered Wherever found
Cornutia obovata Palo de nigua 4 Endangered Wherever found
Coryphantha minima Nellie cory cactus 2 Endangered Wherever found
Coryphantha ramillosa Bunched cory cactus 2 Threatened Wherever found
Coryphantha robbinsiorum Cochise pincushion cactus 2 Threatened Wherever found
Coryphantha scheeri var. robustispina Pima pineapple cactus 2 Endangered Wherever found
Coryphantha sneedii var. leei Lee pincushion cactus 2 Threatened Wherever found
Coryphantha sneedii var. sneedii Sneed pincushion cactus 2 Endangered Wherever found
Cranichis ricartii No common name 4 Endangered Wherever found
Crescentia portoricensis Higuero de sierra 4 Endangered Wherever found
Crotalaria avonensis Avon Park harebells 4 Endangered Wherever found
Cryptantha crassipes Terlingua Creek cat's-eye 2 Endangered Wherever found
Cucurbita okeechobeensis ssp. okeechobeensis Okeechobee gourd 4 Endangered Wherever found
Cyanea acuminata Haha 1 Endangered Wherever found
Cyanea asarifolia Haha 1 Endangered Wherever found
Cyanea asplenifolia Haha 1 Endangered Wherever found
Cyanea calycina Haha 1 Endangered Wherever found
Cyanea copelandii ssp. copelandii Haha 1 Endangered Wherever found
Cyanea copelandii ssp. haleakalaensis Haha 1 Endangered Wherever found
Cyanea crispa haha 1 Endangered Wherever found
Cyanea dolichopoda Haha 1 Endangered Wherever found
Cyanea dunbariae haha 1 Endangered Wherever found
Cyanea duvalliorum haha 1 Endangered Wherever found
Cyanea eleeleensis Haha 1 Endangered Wherever found
Cyanea gibsonii haha 1 Endangered Wherever found
Cyanea glabra Haha 1 Endangered Wherever found
Cyanea grimesiana ssp. grimesiana Haha 1 Endangered Wherever found
Cyanea grimesiana ssp. obatae Haha 1 Endangered Wherever found
Cyanea hamatiflora ssp. carlsonii Haha 1 Endangered Wherever found
Cyanea hamatiflora ssp. hamatiflora Haha 1 Endangered Wherever found
Cyanea horrida haha nui 1 Endangered Wherever found
Cyanea humboldtiana Haha 1 Endangered Wherever found
Cyanea kauaulaensis No common name 1 Endangered Wherever found
Cyanea kolekoleensis Haha 1 Endangered Wherever found
Cyanea koolauensis Haha 1 Endangered Wherever found
Cyanea kuhihewa Haha 1 Endangered Wherever found
Cyanea kunthiana Haha 1 Endangered Wherever found
Cyanea lanceolata Haha 1 Endangered Wherever found
Cyanea lobata Haha 1 Endangered Wherever found
Cyanea longiflora Haha 1 Endangered Wherever found
Cyanea magnicalyx haha 1 Endangered Wherever found
Cyanea mannii Haha 1 Endangered Wherever found
Cyanea maritae haha 1 Endangered Wherever found
Cyanea marksii Haha 1 Endangered Wherever found
Cyanea mauiensis haha 1 Endangered Wherever found
Cyanea mceldowneyi Haha 1 Endangered Wherever found
Cyanea munroi haha 1 Endangered Wherever found
Cyanea obtusa Haha 1 Endangered Wherever found
Cyanea pinnatifida Haha 1 Endangered Wherever found
Cyanea platyphylla `aku`aku 1 Endangered Wherever found
Cyanea procera Haha 1 Endangered Wherever found
Cyanea profuga No common name 1 Endangered Wherever found
Cyanea purpurellifolia No common name 1 Endangered Wherever found
Cyanea recta Haha 1 Threatened Wherever found
Cyanea remyi Haha 1 Endangered Wherever found
Cyanea rivularis Haha 1 Endangered Wherever found
Cyanea shipmanii Haha 1 Endangered Wherever found
Cyanea solanacea Popolo 1 Endangered Wherever found
Cyanea stictophylla Haha 1 Endangered Wherever found
Cyanea st.-johnii Haha 1 Endangered Wherever found
Cyanea superba Haha 1 Endangered Wherever found
Cyanea tritomantha `aku 1 Endangered Wherever found
Cyanea truncata Haha 1 Endangered Wherever found
Cyanea undulata Haha 1 Endangered Wherever found
Cycladenia humilis var. jonesii Jones Cycladenia 6 Threatened Wherever found
Cyperus fauriei No common name 1 Endangered Wherever found
Cyperus neokunthianus No common name 1 Endangered Wherever found
Cyperus pennatiformis No common name 1 Endangered Wherever found
Cyperus trachysanthos Pu`uka`a 1 Endangered Wherever found
Cyrtandra crenata Ha`iwale 1 Endangered Wherever found
Cyrtandra cyaneoides Mapele 1 Endangered Wherever found
Cyrtandra dentata Ha`iwale 1 Endangered Wherever found
Cyrtandra ferripilosa haiwale 1 Endangered Wherever found
Cyrtandra filipes Ha`iwale 1 Endangered Wherever found
Cyrtandra giffardii Ha`iwale 1 Endangered Wherever found
Cyrtandra gracilis No common name 1 Endangered Wherever found
Cyrtandra hematos Ha`iwale 1 Endangered Wherever found
Cyrtandra kaulantha Ha`iwale 1 Endangered Wherever found
Cyrtandra limahuliensis Ha`iwale 1 Threatened Wherever found
Cyrtandra munroi Ha`iwale 1 Endangered Wherever found
Cyrtandra nanawaleensis haiwale 1 Endangered Wherever found
Cyrtandra oenobarba Ha`iwale 1 Endangered Wherever found
Cyrtandra oxybapha Ha`iwale 1 Endangered Wherever found
Cyrtandra paliku Haiwale 1 Endangered Wherever found
Cyrtandra polyantha Ha`iwale 1 Endangered Wherever found
Cyrtandra sessilis Ha`iwale 1 Endangered Wherever found
Cyrtandra subumbellata Ha`iwale 1 Endangered Wherever found
Cyrtandra tintinnabula Ha`iwale 1 Endangered Wherever found
Cyrtandra viridiflora Ha`iwale 1 Endangered Wherever found
Cyrtandra wagneri haiwale 1 Endangered Wherever found
Cyrtandra waiolani No common name 1 Endangered Wherever found
Dalea carthagenensis floridana Florida prairie-clover 4 Endangered Wherever found
Dalea foliosa Leafy prairie-clover 4 Endangered Wherever found
Daphnopsis hellerana No common name 4 Endangered Wherever found
Deeringothamnus pulchellus Beautiful pawpaw 4 Endangered Wherever found
Deeringothamnus rugelii Rugel's pawpaw 4 Endangered Wherever found
Deinandra (=Hemizonia) conjugens Otay tarplant 8 Threatened Wherever found
Deinandra increscens ssp. villosa Gaviota Tarplant 8 Endangered Wherever found
Delissea rhytidosperma No common name 1 Endangered Wherever found
Delissea subcordata Oha 1 Endangered Wherever found
Delissea undulata No common name 1 Endangered Wherever found
Delphinium bakeri Baker's larkspur 8 Endangered Wherever found
Delphinium luteum Yellow larkspur 8 Endangered Wherever found
Delphinium variegatum ssp. kinkiense San Clemente Island larkspur 8 Endangered Wherever found
Dendrobium guamense No common name 1 Threatened Wherever found
Dicerandra christmanii Garrett's mint 4 Endangered Wherever found
Dicerandra cornutissima Longspurred mint 4 Endangered Wherever found
Dicerandra frutescens Scrub mint 4 Endangered Wherever found
Dicerandra immaculata Lakela's mint 4 Endangered Wherever found
Digitaria pauciflora Florida pineland crabgrass 4 Threatened Wherever found
Diplacus vandenbergensis Vandenberg monkeyflower 8 Endangered Wherever found
Dodecahema leptoceras Slender-horned spineflower 8 Endangered Wherever found
Dubautia herbstobatae Na`ena`e 1 Endangered Wherever found
Dubautia imbricata imbricata Na`ena`e 1 Endangered Wherever found
Dubautia kalalauensis Naenae 1 Endangered Wherever found
Dubautia kenwoodii Naenae 1 Endangered Wherever found
Dubautia latifolia Koholapehu 1 Endangered Wherever found
Dubautia pauciflorula Na`ena`e 1 Endangered Wherever found
Dubautia plantaginea magnifolia Na`ena`e 1 Endangered Wherever found
Dubautia plantaginea ssp. humilis Na`ena`e 1 Endangered Wherever found
Dubautia waialealae Na`ena`e 1 Endangered Wherever found
Dudleya abramsii ssp. parva Conejo dudleya 8 Threatened Wherever found
Dudleya cymosa ssp. marcescens Marcescent dudleya 8 Threatened Wherever found
Dudleya cymosa ssp. ovatifolia Santa Monica Mountains dudleyea 8 Threatened Wherever found
Dudleya nesiotica Santa Cruz Island dudleya 8 Threatened Wherever found
Dudleya setchellii Santa Clara Valley dudleya 8 Endangered Wherever found
Dudleya stolonifera Laguna Beach liveforever 8 Threatened Wherever found
Dudleya traskiae Santa Barbara Island liveforever 8 Endangered Wherever found
Dudleya verityi Verity's dudleya 8 Threatened Wherever found
Echinacea laevigata Smooth coneflower 4 Endangered Wherever found
Echinocactus horizonthalonius var. nicholii Nichol's Turk's head cactus 2 Endangered Wherever found
Echinocereus chisoensis var. chisoensis Chisos Mountain hedgehog Cactus 2 Threatened Wherever found
Echinocereus fendleri var. kuenzleri Kuenzler hedgehog cactus 2 Threatened Wherever found
Echinocereus reichenbachii var. albertii Black lace cactus 2 Endangered Wherever found
Echinocereus triglochidiatus var. arizonicus Arizona hedgehog cactus 2 Endangered Wherever found
Echinocereus viridiflorus var. davisii Davis' green pitaya 2 Endangered Wherever found
Echinomastus erectocentrus var. acunensis Acuna Cactus 2 Endangered Wherever found
Echinomastus mariposensis Lloyd's Mariposa cactus 2 Threatened Wherever found
Enceliopsis nudicaulis var. corrugata Ash Meadows sunray 8 Threatened Wherever found
Eragrostis fosbergii Fosberg's love grass 1 Endangered Wherever found
Eremalche kernensis Kern mallow 8 Endangered Wherever found
Eriastrum densifolium ssp. sanctorum Santa Ana River woolly-star 8 Endangered Wherever found
Erigeron decumbens Willamette daisy 1 Endangered Wherever found
Erigeron parishii Parish's daisy 8 Threatened Wherever found
Erigeron rhizomatus Zuni fleabane 2 Threatened Wherever found
Eriodictyon altissimum Indian Knob mountainbalm 8 Endangered Wherever found
Eriodictyon capitatum Lompoc yerba santa 8 Endangered Wherever found
Eriogonum apricum (incl. var. prostratum) Ione (incl. Irish Hill) buckwheat 8 Endangered Wherever found
Eriogonum codium Umtanum Desert buckwheat 1 Threatened Wherever found
Eriogonum gypsophilum Gypsum wild-buckwheat 2 Threatened Wherever found
Eriogonum kennedyi var. austromontanum Southern mountain wild-buckwheat 8 Threatened Wherever found
Eriogonum longifolium var. gnaphalifolium Scrub buckwheat 4 Threatened Wherever found
Eriogonum ovalifolium var. vineum Cushenbury buckwheat 8 Endangered Wherever found
Eriogonum ovalifolium var. williamsiae Steamboat buckwheat 8 Endangered Wherever found
Eriogonum pelinophilum Clay-Loving wild buckwheat 6 Endangered Wherever found
Eriophyllum latilobum San Mateo woolly sunflower 8 Endangered Wherever found
Eryngium aristulatum var. parishii San Diego button-celery 8 Endangered Wherever found
Eryngium constancei Loch Lomond coyote thistle 8 Endangered Wherever found
Eryngium cuneifolium Snakeroot 4 Endangered Wherever found
Erysimum capitatum var. angustatum Contra Costa wallflower 8 Endangered Wherever found
Erysimum menziesii Menzies' wallflower 8 Endangered Wherever found
Erysimum teretifolium Ben Lomond wallflower 8 Endangered Wherever found
Erythronium propullans Minnesota dwarf trout lily 3 Endangered Wherever found
Eugenia bryanii No common name 1 Endangered Wherever found
Eugenia haematocarpa Uvillo 4 Endangered Wherever found
Eugenia koolauensis Nioi 1 Endangered Wherever found
Eugenia woodburyana No common name 4 Endangered Wherever found
Euphorbia celastroides var. kaenana `Akoko 1 Endangered Wherever found
Euphorbia deppeana `Akoko 1 Endangered Wherever found
Euphorbia eleanoriae `Akoko 1 Endangered Wherever found
Euphorbia haeleeleana `Akoko 1 Endangered Wherever found
Euphorbia halemanui 'Akoko 1 Endangered Wherever found
Euphorbia herbstii `Akoko 1 Endangered Wherever found
Euphorbia kuwaleana `Akoko 1 Endangered Wherever found
Euphorbia remyi var. kauaiensis `Akoko 1 Endangered Wherever found
Euphorbia remyi var. remyi `Akoko 1 Endangered Wherever found
Euphorbia rockii `Akoko 1 Endangered Wherever found
Euphorbia skottsbergii var. skottsbergii Ewa Plains `akoko 1 Endangered Wherever found
Euphorbia telephioides Telephus spurge 4 Threatened Wherever found
Eutrema penlandii Penland alpine fen mustard 6 Threatened Wherever found
Exocarpos luteolus Heau 1 Endangered Wherever found
Exocarpos menziesii Menzies ballart 1 Endangered Entire
Festuca hawaiiensis No common name 1 Endangered Wherever found
Festuca ligulata Guadalupe fescue 2 Endangered Wherever found
Festuca molokaiensis No common name 1 Endangered Wherever found
Flueggea neowawraea Mehamehame 1 Endangered Wherever found
Fremontodendron californicum ssp. decumbens Pine Hill flannelbush 8 Endangered Wherever found
Fremontodendron mexicanum Mexican flannelbush 8 Endangered Wherever found
Fritillaria gentneri Gentner's Fritillary 1 Endangered Wherever found
Galactia smallii Small's milkpea 4 Endangered Wherever found
Galium buxifolium Island bedstraw 8 Endangered Wherever found
Galium californicum ssp. sierrae El Dorado bedstraw 8 Endangered Wherever found
Gardenia brighamii Hawaiian gardenia (=Na`u) 1 Endangered Wherever found
Gardenia mannii Nanu 1 Endangered Wherever found
Gardenia remyi Nanu 1 Endangered Wherever found
Gaura neomexicana var. coloradensis Colorado Butterfly plant 6 Threatened Wherever found
Geocarpon minimum No common name 4 Threatened Wherever found
Geranium arboreum Nohoanu 1 Endangered Wherever found
Geranium hanaense Nohoanu 1 Endangered Wherever found
Geranium hillebrandii Nohoanu 1 Endangered Wherever found
Geranium kauaiense Nohoanu 1 Endangered Wherever found
Geranium multiflorum Nohoanu 1 Endangered Wherever found
Gesneria pauciflora No common name 4 Threatened Wherever found
Geum radiatum Spreading avens 4 Endangered Wherever found
Gilia tenuiflora ssp. arenaria Monterey gilia 8 Endangered Wherever found
Gilia tenuiflora ssp. hoffmannii Hoffmann's slender-flowered gilia 8 Endangered Wherever found
Goetzea elegans Beautiful goetzea 4 Endangered Wherever found
Gonocalyx concolor No common name 4 Endangered Wherever found
Gouania hillebrandii No common name 1 Endangered Wherever found
Gouania meyenii No common name 1 Endangered Wherever found
Gouania vitifolia No common name 1 Endangered Wherever found
Grindelia fraxinipratensis Ash Meadows gumplant 8 Threatened Wherever found
Hackelia venusta Showy stickseed 1 Endangered Wherever found
Halophila johnsonii Johnson's seagrass NMFS Threatened Wherever found
Haplostachys haplostachya Honohono 1 Endangered Wherever found
Harperocallis flava Harper's beauty 4 Endangered Wherever found
Harrisia (=Cereus) aboriginum (=gracilis) Aboriginal Prickly-apple 4 Endangered Wherever found
Harrisia portoricensis Higo Chumbo 4 Threatened Wherever found
Hedeoma todsenii Todsen's pennyroyal 2 Endangered Wherever found
Hedyotis megalantha Paudedo 1 Endangered Wherever found
Hedyotis purpurea var. montana Roan Mountain bluet 4 Endangered Wherever found
Helenium virginicum Virginia sneezeweed 5 Threatened Wherever found
Helianthemum greenei Island rush-rose 8 Threatened Wherever found
Helianthus paradoxus Pecos (=puzzle, =paradox) sunflower 2 Threatened Wherever found
Helianthus schweinitzii Schweinitz's sunflower 4 Endangered Wherever found
Helianthus verticillatus Whorled Sunflower 4 Endangered Entire
Helonias bullata Swamp pink 5 Threatened Wherever found
Heritiera longipetiolata Ufa-halomtano 1 Endangered Wherever found
Hesperolinon congestum Marin dwarf-flax 8 Threatened Wherever found
Hesperomannia arborescens No common name 1 Endangered Wherever found
Hesperomannia arbuscula No common name 1 Endangered Wherever found
Hesperomannia lydgatei No common name 1 Endangered Wherever found
Hexastylis naniflora Dwarf-flowered heartleaf 4 Threatened Wherever found
Hibiscadelphus distans Kauai hau kuahiwi 1 Endangered Wherever found
Hibiscadelphus giffardianus Hau kuahiwi 1 Endangered Wherever found
Hibiscadelphus hualalaiensis Hau kuahiwi 1 Endangered Wherever found
Hibiscadelphus woodii Hau kuahiwi 1 Endangered Wherever found
Hibiscus arnottianus ssp. immaculatus Koki`o ke`oke`o 1 Endangered Wherever found
Hibiscus brackenridgei (=Native yellow hibiscus) ma`o hau hele 1 Endangered Wherever found
Hibiscus clayi Clay's hibiscus 1 Endangered Wherever found
Hibiscus dasycalyx Neches River rose-mallow 2 Threatened Wherever found
Hibiscus waimeae ssp. hannerae Koki`o ke`oke`o 1 Endangered Wherever found
Hoffmannseggia tenella Slender rush-pea 2 Endangered Wherever found
Holocarpha macradenia Santa Cruz tarplant 8 Threatened Wherever found
Howellia aquatilis Water howellia 6 Threatened Wherever found
Hudsonia montana Mountain golden heather 4 Threatened Wherever found
Hymenoxys herbacea Lakeside daisy 3 Threatened Wherever found
Hymenoxys texana Texas prairie dawn-flower 2 Endangered Wherever found
Hypericum cumulicola Highlands scrub hypericum 4 Endangered Wherever found
Ilex cookii Cook's holly 4 Endangered Wherever found
Ilex sintenisii No common name 4 Endangered Wherever found
Iliamna corei Peter's Mountain mallow 5 Endangered Wherever found
Ipomopsis polyantha Pagosa skyrocket 6 Endangered Wherever found
Ipomopsis sancti-spiritus Holy Ghost ipomopsis 2 Endangered Wherever found
Iris lacustris Dwarf lake iris 3 Threatened Wherever found
Ischaemum byrone Hilo ischaemum 1 Endangered Wherever found
Isodendrion hosakae Aupaka 1 Endangered Wherever found
Isodendrion laurifolium Aupaka 1 Endangered Wherever found
Isodendrion longifolium Aupaka 1 Threatened Wherever found
Isodendrion pyrifolium Kula wahine noho 1 Endangered Wherever found
Isotria medeoloides Small whorled pogonia 5 Threatened Wherever found
Ivesia kingii var. eremica Ash Meadows ivesia 8 Threatened Wherever found
Ivesia webberi Webber's ivesia 8 Threatened Wherever found
Jacquemontia reclinata Beach jacquemontia 4 Endangered Wherever found
Joinvillea ascendens ascendens `Ohe 1 Endangered Wherever found
Juglans jamaicensis West Indian Walnut (=Nogal) 4 Endangered Wherever found
Justicia cooleyi Cooley's water-willow 4 Endangered Wherever found
Kadua cookiana 'Awiwi 1 Endangered Wherever found
Kadua cordata remyi kopa 1 Endangered Wherever found
Kadua coriacea Kio`ele 1 Endangered Wherever found
Kadua degeneri No common name 1 Endangered Wherever found
Kadua haupuensis No common name 1 Endangered Wherever found
Kadua (=Hedyotis) fluviatilis Kampua`a 1 Endangered Wherever found
Kadua laxiflora pilo 1 Endangered Wherever found
Kadua parvula No common name 1 Endangered Wherever found
Kadua st.-johnii No common name 1 Endangered Wherever found
Kanaloa kahoolawensis Kohe malama malama o kanaloa 1 Endangered Wherever found
Keysseria (=Lagenifera) erici No common name 1 Endangered Wherever found
Keysseria (=Lagenifera) helenae No common name 1 Endangered Wherever found
Kokia cookei Cooke's koki`o 1 Endangered Wherever found
Kokia drynarioides Koki`o 1 Endangered Wherever found
Kokia kauaiensis Koki`o 1 Endangered Wherever found
Korthalsella degeneri Hulumoa 1 Endangered Wherever found
Labordia cyrtandrae Kamakahala 1 Endangered Wherever found
Labordia helleri Kamakahala 1 Endangered Wherever found
Labordia lorenciana No common name 1 Endangered Wherever found
Labordia lydgatei Kamakahala 1 Endangered Wherever found
Labordia pumila Kamakahala 1 Endangered Wherever found
Labordia tinifolia var. lanaiensis Kamakahala 1 Endangered Wherever found
Labordia tinifolia var. wahiawaensis Kamakahala 1 Endangered Wherever found
Labordia triflora Kamakahala 1 Endangered Wherever found
Lasthenia burkei Burke's goldfields 8 Endangered Wherever found
Lasthenia conjugens Contra Costa goldfields 8 Endangered Wherever found
Layia carnosa Beach layia 8 Endangered Wherever found
Leavenworthia crassa Fleshy-fruit gladecress 4 Endangered Wherever found
Leavenworthia exigua laciniata Kentucky glade cress 4 Threatened Wherever found
Leavenworthia texana Texas golden Gladecress 2 Endangered Wherever found
Lepanthes eltoroensis No common name 4 Endangered Wherever found
Lepidium arbuscula `Anaunau 1 Endangered Wherever found
Lepidium barnebyanum Barneby ridge-cress 6 Endangered Wherever found
Lepidium orbiculare No common name 1 Endangered Wherever found
Lepidium papilliferum Slickspot peppergrass 1 Threatened Entire
Leptocereus grantianus No common name 4 Endangered Wherever found
Lespedeza leptostachya Prairie bush-clover 3 Threatened Wherever found
Lesquerella congesta Dudley Bluffs bladderpod 6 Threatened Wherever found
Lesquerella kingii ssp. bernardina San Bernardino Mountains bladderpod 8 Endangered Wherever found
Lesquerella lyrata Lyrate bladderpod 4 Threatened Wherever found
Lesquerella pallida White bladderpod 2 Endangered Wherever found
Lesquerella perforata Spring Creek bladderpod 4 Endangered Wherever found
Lesquerella thamnophila Zapata bladderpod 2 Endangered Wherever found
Lesquerella tumulosa Kodachrome bladderpod 6 Endangered Wherever found
Lessingia germanorum (=L.g. var. germanorum) San Francisco lessingia 8 Endangered Wherever found
Liatris helleri Heller's blazingstar 4 Threatened Wherever found
Liatris ohlingerae Scrub blazingstar 4 Endangered Wherever found
Lilaeopsis schaffneriana var. recurva Huachuca water-umbel 2 Endangered Wherever found
Lilium occidentale Western lily 8 Endangered Wherever found
Lilium pardalinum ssp. pitkinense Pitkin Marsh lily 8 Endangered Wherever found
Limnanthes floccosa ssp. californica Butte County meadowfoam 8 Endangered Wherever found
Limnanthes pumila grandiflora Large-flowered woolly meadowfoam 1 Endangered Wherever found
Limnanthes vinculans Sebastopol meadowfoam 8 Endangered Wherever found
Lindera melissifolia Pondberry 4 Endangered Wherever found
Linum arenicola Sand flax 4 Endangered Wherever found
Linum carteri carteri Carter's small-flowered flax 4 Endangered Wherever found
Lipochaeta fauriei Nehe 1 Endangered Wherever found
Lipochaeta lobata var. leptophylla Nehe 1 Endangered Wherever found
Lipochaeta micrantha Nehe 1 Endangered Wherever found
Lipochaeta venosa No common name 1 Endangered Wherever found
Lipochaeta waimeaensis Nehe 1 Endangered Wherever found
Lithophragma maximum San Clemente Island woodland-star 8 Endangered Wherever found
Lobelia koolauensis No common name 1 Endangered Wherever found
Lobelia monostachya No common name 1 Endangered Wherever found
Lobelia niihauensis No common name 1 Endangered Wherever found
Lobelia oahuensis No common name 1 Endangered Wherever found
Lomatium bradshawii Bradshaw's desert-parsley 1 Endangered Wherever found
Lomatium cookii Cook's lomatium 1 Endangered Wherever found
Lupinus aridorum Scrub lupine 4 Endangered Wherever found
Lupinus nipomensis Nipomo Mesa lupine 8 Endangered Wherever found
Lupinus sulphureus ssp. kincaidii Kincaid's Lupine 1 Threatened Wherever found
Lupinus tidestromii Clover lupine 8 Endangered Wherever found
Lyonia truncata var. proctorii No common name 4 Endangered Wherever found
Lysimachia asperulaefolia Rough-leaved loosestrife 4 Endangered Wherever found
Lysimachia daphnoides lehua makanoe 1 Endangered Wherever found
Lysimachia filifolia No common name 1 Endangered Wherever found
Lysimachia iniki No common name 1 Endangered Wherever found
Lysimachia lydgatei No common name 1 Endangered Wherever found
Lysimachia maxima No common name 1 Endangered Wherever found
Lysimachia pendens No common name 1 Endangered Wherever found
Lysimachia scopulensis No common name 1 Endangered Wherever found
Lysimachia venosa No common name 1 Endangered Wherever found
Macbridea alba White birds-in-a-nest 4 Threatened Wherever found
Maesa walkeri No common name 1 Threatened Wherever found
Malacothamnus clementinus San Clemente Island bush-mallow 8 Endangered Wherever found
Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bush-mallow 8 Endangered Wherever found
Malacothrix indecora Santa Cruz Island malacothrix 8 Endangered Wherever found
Malacothrix squalida Island malacothrix 8 Endangered Wherever found
Manihot walkerae Walker's manioc 2 Endangered Wherever found
Marshallia mohrii Mohr's Barbara's buttons 4 Threatened Wherever found
Melanthera kamolensis nehe 1 Endangered Wherever found
Melanthera tenuifolia Nehe 1 Endangered Wherever found
Melicope adscendens Alani 1 Endangered Wherever found
Melicope balloui Alani 1 Endangered Wherever found
Melicope christophersenii Alani 1 Endangered Wherever found
Melicope degeneri Alani 1 Endangered Wherever found
Melicope haupuensis Alani 1 Endangered Wherever found
Melicope hiiakae Alani 1 Endangered Wherever found
Melicope knudsenii Alani 1 Endangered Wherever found
Melicope lydgatei Alani 1 Endangered Wherever found
Melicope makahae Alani 1 Endangered Wherever found
Melicope mucronulata Alani 1 Endangered Wherever found
Melicope munroi Alani 1 Endangered Wherever found
Melicope ovalis Alani 1 Endangered Wherever found
Melicope pallida Alani 1 Endangered Wherever found
Melicope paniculata Alani 1 Endangered Wherever found
Melicope puberula Alani 1 Endangered Wherever found
Melicope quadrangularis Alani 1 Endangered Wherever found
Melicope reflexa Alani 1 Endangered Wherever found
Melicope saint-johnii Alani 1 Endangered Wherever found
Melicope zahlbruckneri Alani 1 Endangered Wherever found
Mentzelia leucophylla Ash Meadows blazingstar 8 Threatened Wherever found
Mezoneuron kavaiense Uhi uhi 1 Endangered Wherever found
Mimulus michiganensis Michigan monkey-flower 3 Endangered Wherever found
Mirabilis macfarlanei MacFarlane's four-o'clock 1 Threatened Wherever found
Mitracarpus maxwelliae No common name 4 Endangered Wherever found
Mitracarpus polycladus No common name 4 Endangered Wherever found
Monardella viminea Willowy monardella 8 Endangered Wherever found
Monolopia (=Lembertia) congdonii San Joaquin wooly-threads 8 Endangered Wherever found
Mucuna sloanei persericea sea bean 1 Endangered Wherever found
Myrcia paganii No common name 4 Endangered Wherever found
Myrsine fosbergii Kolea 1 Endangered Wherever found
Myrsine juddii Kolea 1 Endangered Wherever found
Myrsine knudsenii Kolea 1 Endangered Wherever found
Myrsine linearifolia Kolea 1 Threatened Wherever found
Myrsine mezii Kolea 1 Endangered Wherever found
Myrsine vaccinioides Kolea 1 Endangered Wherever found
Navarretia fossalis Spreading navarretia 8 Threatened Wherever found
Navarretia leucocephala ssp. pauciflora (=N. pauciflora) Few-flowered navarretia 8 Endangered Wherever found
Navarretia leucocephala ssp. plieantha Many-flowered navarretia 8 Endangered Wherever found
Neostapfia colusana Colusa grass 8 Threatened Wherever found
Neraudia angulata No common name 1 Endangered Wherever found
Neraudia ovata No common name 1 Endangered Wherever found
Neraudia sericea No common name 1 Endangered Wherever found
Nervilia jacksoniae No common name 1 Threatened Wherever found
Nesogenes rotensis No common name 1 Endangered Wherever found
Nitrophila mohavensis Amargosa niterwort 8 Endangered Wherever found
Nolina brittoniana Britton's beargrass 4 Endangered Wherever found
Nothocestrum breviflorum `Aiea 1 Endangered Wherever found
Nothocestrum latifolium `Aiea 1 Endangered Wherever found
Nothocestrum peltatum `Aiea 1 Endangered Wherever found
Nototrichium humile Kulu`i 1 Endangered Wherever found
Ochrosia haleakalae Holei 1 Endangered Wherever found
Ochrosia kilaueaensis Holei 1 Endangered Wherever found
Oenothera deltoides ssp. howellii Antioch Dunes evening-primrose 8 Endangered Wherever found
Opuntia treleasei Bakersfield cactus 8 Endangered Wherever found
Orcuttia californica California Orcutt grass 8 Endangered Wherever found
Orcuttia inaequalis San Joaquin Orcutt grass 8 Threatened Wherever found
Orcuttia pilosa Hairy Orcutt grass 8 Endangered Wherever found
Orcuttia tenuis Slender Orcutt grass 8 Threatened Wherever found
Orcuttia viscida Sacramento Orcutt grass 8 Endangered Wherever found
Osmoxylon mariannense No common name 1 Endangered Wherever found
Ottoschulzia rhodoxylon Palo de rosa 4 Endangered Wherever found
Oxypolis canbyi Canby's dropwort 4 Endangered Wherever found
Oxytheca parishii var. goodmaniana Cushenbury oxytheca 8 Endangered Wherever found
Oxytropis campestris var. chartacea Fassett's locoweed 3 Threatened Wherever found
Packera franciscana San Francisco Peaks ragwort 2 Threatened Wherever found
Panicum fauriei var. carteri Carter's panicgrass 1 Endangered Wherever found
Panicum niihauense Lau `ehu 1 Endangered Wherever found
Paronychia chartacea Papery whitlow-wort 4 Threatened Wherever found
Parvisedum leiocarpum Lake County stonecrop 8 Endangered Wherever found
Pedicularis furbishiae Furbish lousewort 5 Endangered Wherever found
Pediocactus bradyi Brady pincushion cactus 2 Endangered Wherever found
Pediocactus despainii San Rafael cactus 6 Endangered Wherever found
Pediocactus (=Echinocactus,=Utahia) sileri Siler pincushion cactus 2 Threatened Wherever found
Pediocactus knowltonii Knowlton's cactus 2 Endangered Wherever found
Pediocactus peeblesianus fickeiseniae Fickeisen plains cactus 2 Endangered Wherever found
Pediocactus peeblesianus var. peeblesianus Peebles Navajo cactus 2 Endangered Wherever found
Pediocactus winkleri Winkler cactus 6 Threatened Wherever found
Penstemon debilis Parachute beardtongue 6 Threatened Wherever found
Penstemon haydenii Blowout penstemon 6 Endangered Wherever found
Penstemon penlandii Penland beardtongue 6 Endangered Wherever found
Pentachaeta bellidiflora White-rayed pentachaeta 8 Endangered Wherever found
Pentachaeta lyonii Lyon's pentachaeta 8 Endangered Wherever found
Peperomia subpetiolata `Ala `ala wai nui 1 Endangered Wherever found
Peperomia wheeleri Wheeler's peperomia 4 Endangered Wherever found
Peucedanum sandwicense Makou 1 Threatened Wherever found
Phacelia argillacea Clay phacelia 6 Endangered Wherever found
Phacelia formosula North Park phacelia 6 Endangered Wherever found
Phacelia insularis ssp. insularis Island phacelia 8 Endangered Wherever found
Phacelia submutica DeBeque phacelia 6 Threatened Wherever found
Phlox hirsuta Yreka phlox 8 Endangered Wherever found
Phlox nivalis ssp. texensis Texas trailing phlox 2 Endangered Wherever found
Phyllanthus saffordii No common name 1 Endangered Wherever found
Phyllostegia bracteata No common name 1 Endangered Wherever found
Phyllostegia brevidens No common name 1 Endangered Wherever found
Phyllostegia floribunda No common name 1 Endangered Wherever found
Phyllostegia glabra var. lanaiensis No common name 1 Endangered Wherever found
Phyllostegia haliakalae No common name 1 Endangered Wherever found
Phyllostegia helleri No common name 1 Endangered Entire
Phyllostegia hirsuta No common name 1 Endangered Wherever found
Phyllostegia hispida No common name 1 Endangered Wherever found
Phyllostegia kaalaensis No common name 1 Endangered Wherever found
Phyllostegia knudsenii No common name 1 Endangered Wherever found
Phyllostegia mannii No common name 1 Endangered Wherever found
Phyllostegia mollis No common name 1 Endangered Wherever found
Phyllostegia parviflora No common name 1 Endangered Wherever found
Phyllostegia pilosa No common name 1 Endangered Wherever found
Phyllostegia racemosa Kiponapona 1 Endangered Wherever found
Phyllostegia renovans No common name 1 Endangered Wherever found
Phyllostegia stachyoides No common name 1 Endangered Wherever found
Phyllostegia velutina No common name 1 Endangered Wherever found
Phyllostegia waimeae No common name 1 Endangered Wherever found
Phyllostegia warshaueri No common name 1 Endangered Wherever found
Phyllostegia wawrana No common name 1 Endangered Wherever found
Physaria douglasii ssp. tuplashensis White Bluffs bladderpod 1 Threatened Wherever found
Physaria filiformis Missouri bladderpod 3 Threatened Wherever found
Physaria globosa Short's bladderpod 4 Endangered Wherever found
Physaria obcordata Dudley Bluffs twinpod 6 Threatened Wherever found
Pilosocereus robinii Key tree cactus 4 Endangered Wherever found
Pinguicula ionantha Godfrey's butterwort 4 Threatened Wherever found
Piperia yadonii Yadon's piperia 8 Endangered Wherever found
Pittosporum halophilum No common name 1 Endangered Wherever found
Pittosporum hawaiiense No common name 1 Endangered Wherever found
Pittosporum napaliense Ho`awa 1 Endangered Wherever found
Pityopsis ruthii Ruth's golden aster 4 Endangered Wherever found
Plagiobothrys hirtus rough popcornflower 1 Endangered Wherever found
Plagiobothrys strictus Calistoga allocarya 8 Endangered Wherever found
Plantago hawaiensis Kuahiwi laukahi 1 Endangered Wherever found
Plantago princeps Kuahiwi laukahi 1 Endangered Wherever found
Platanthera holochila No common name 1 Endangered Wherever found
Platanthera integrilabia White fringeless orchid 4 Threatened Entire
Platanthera leucophaea Eastern prairie fringed orchid 3 Threatened Wherever found
Platanthera praeclara Western prairie fringed Orchid 3 Threatened Wherever found
Platydesma cornuta cornuta No common name 1 Endangered Wherever found
Platydesma cornuta decurrens No common name 1 Endangered Wherever found
Platydesma remyi No common name 1 Endangered Wherever found
Platydesma rostrata Pilo kea lau li`i 1 Endangered Wherever found
Pleodendron macranthum Chupacallos 4 Endangered Wherever found
Pleomele fernaldii Hala pepe 1 Endangered Wherever found
Pleomele forbesii Hala pepe 1 Endangered Wherever found
Pleomele hawaiiensis Hala pepe 1 Endangered Wherever found
Poa atropurpurea San Bernardino bluegrass 8 Endangered Wherever found
Poa mannii Mann's bluegrass 1 Endangered Wherever found
Poa napensis Napa bluegrass 8 Endangered Wherever found
Poa sandvicensis Hawaiian bluegrass 1 Endangered Wherever found
Poa siphonoglossa No common name 1 Endangered Wherever found
Pogogyne abramsii San Diego mesa-mint 8 Endangered Wherever found
Pogogyne nudiuscula Otay mesa-mint 8 Endangered Wherever found
Polygala lewtonii Lewton's polygala 4 Endangered Wherever found
Polygala smallii Tiny polygala 4 Endangered Wherever found
Polygonella basiramia Wireweed 4 Endangered Wherever found
Polygonella myriophylla Sandlace 4 Endangered Wherever found
Polygonum hickmanii Scotts Valley Polygonum 8 Endangered Wherever found
Polyscias bisattenuata No common name 1 Endangered Wherever found
Polyscias flynnii No common name 1 Endangered Wherever found
Polyscias gymnocarpa `Ohe`ohe 1 Endangered Wherever found
Polyscias lydgatei No common name 1 Endangered Wherever found
Polyscias racemosa No common name 1 Endangered Wherever found
Portulaca sclerocarpa Po`e 1 Endangered Wherever found
Portulaca villosa Ihi 1 Endangered Wherever found
Potamogeton clystocarpus Little Aguja (=Creek) Pondweed 2 Endangered Wherever found
Potentilla hickmanii Hickman's potentilla 8 Endangered Wherever found
Primula maguirei Maguire primrose 6 Threatened Wherever found
Pritchardia aylmer-robinsonii Wahane 1 Endangered Wherever found
Pritchardia bakeri Loulu 1 Endangered Wherever found
Pritchardia hardyi (=Na`ena`e) lo`ulu 1 Endangered Wherever found
Pritchardia kaalae Lo`ulu 1 Endangered Wherever found
Pritchardia lanigera Lo`ulu 1 Endangered Wherever found
Pritchardia maideniana Lo`ulu 1 Endangered Wherever found
Pritchardia munroi Lo`ulu 1 Endangered Wherever found
Pritchardia napaliensis Lo`ulu 1 Endangered Wherever found
Pritchardia remota Lo`ulu 1 Endangered Wherever found
Pritchardia schattaueri Lo`ulu 1 Endangered Wherever found
Pritchardia viscosa Lo`ulu 1 Endangered Wherever found
Prunus geniculata Scrub plum 4 Endangered Wherever found
Pseudobahia bahiifolia Hartweg's golden sunburst 8 Endangered Wherever found
Pseudobahia peirsonii San Joaquin adobe sunburst 8 Threatened Wherever found
Pseudognaphalium (=Gnaphalium) sandwicensium var. molokaiense `Ena`ena 1 Endangered Wherever found
Psychotria grandiflora Kopiko 1 Endangered Wherever found
Psychotria hexandra ssp. oahuensis Oahu wild coffee (=kopiko) 1 Endangered Wherever found
Psychotria hobdyi Kopiko 1 Endangered Wherever found
Psychotria malaspinae Aplokating-palaoan 1 Endangered Wherever found
Pteralyxia kauaiensis Kaulu 1 Endangered Wherever found
Pteralyxia macrocarpa Kaulu 1 Endangered Wherever found
Ptilimnium nodosum Harperella 5 Endangered Wherever found
Purshia (=Cowania) subintegra Arizona Cliffrose 2 Endangered Wherever found
Quercus hinckleyi Hinckley oak 2 Threatened Wherever found
Ranunculus aestivalis (=acriformis) Autumn Buttercup 6 Endangered Wherever found
Ranunculus hawaiensis Makou 1 Endangered Wherever found
Ranunculus mauiensis Makou 1 Endangered Wherever found
Remya kauaiensis No common name 1 Endangered Wherever found
Remya mauiensis Maui remya 1 Endangered Wherever found
Remya montgomeryi No common name 1 Endangered Wherever found
Rhodiola integrifolia ssp. leedyi Leedy's roseroot 3 Threatened Wherever found
Rhododendron chapmanii Chapman rhododendron 4 Endangered Wherever found
Rhus michauxii Michaux's sumac 4 Endangered Wherever found
Rhynchospora knieskernii Knieskern's Beaked-rush 5 Threatened Wherever found
Ribes echinellum Miccosukee gooseberry 4 Threatened Wherever found
Rorippa gambellii Gambel's watercress 8 Endangered Wherever found
Sagittaria fasciculata Bunched arrowhead 4 Endangered Wherever found
Sagittaria secundifolia Kral's water-plantain 4 Threatened Wherever found
Sanicula mariversa No common name 1 Endangered Wherever found
Sanicula purpurea No common name 1 Endangered Wherever found
Sanicula sandwicensis No common name 1 Endangered Wherever found
Santalum haleakalae var. lanaiense Lanai sandalwood (=`iliahi) 1 Endangered Wherever found
Santalum involutum No common name 1 Endangered Wherever found
Sarracenia oreophila Green pitcher-plant 4 Endangered Wherever found
Sarracenia rubra ssp. alabamensis Alabama canebrake pitcher-plant 4 Endangered Wherever found
Sarracenia rubra ssp. jonesii Mountain sweet pitcher-plant 4 Endangered Wherever found
Scaevola coriacea Dwarf naupaka 1 Endangered Wherever found
Schenkia sebaeoides Awiwi 1 Endangered Wherever found
Schiedea adamantis Diamond Head schiedea 1 Endangered Wherever found
Schiedea apokremnos Ma`oli`oli 1 Endangered Wherever found
Schiedea attenuata No common name 1 Endangered Wherever found
Schiedea diffusa ssp. macraei No common name 1 Endangered Wherever found
Schiedea diffusa subsp. diffusa No common name 1 Endangered Wherever found
Schiedea haleakalensis No common name 1 Endangered Wherever found
Schiedea hawaiiensis Ma`oli`oli 1 Endangered Wherever found
Schiedea helleri No common name 1 Endangered Wherever found
Schiedea hookeri No common name 1 Endangered Wherever found
Schiedea jacobii No common name 1 Endangered Wherever found
Schiedea kaalae No common name 1 Endangered Wherever found
Schiedea kauaiensis No common name 1 Endangered Wherever found
Schiedea kealiae Ma`oli`oli 1 Endangered Wherever found
Schiedea laui No common name 1 Endangered Wherever found
Schiedea lychnoides Kuawawaenohu 1 Endangered Wherever found
Schiedea lydgatei No common name 1 Endangered Wherever found
Schiedea membranacea No common name 1 Endangered Wherever found
Schiedea nuttallii No common name 1 Endangered Wherever found
Schiedea obovata No common name 1 Endangered Wherever found
Schiedea pubescens Ma`oli`oli 1 Endangered Wherever found
Schiedea salicaria No common name 1 Endangered Wherever found
Schiedea sarmentosa No common name 1 Endangered Wherever found
Schiedea spergulina var. leiopoda No common name 1 Endangered Wherever found
Schiedea spergulina var. spergulina No common name 1 Threatened Wherever found
Schiedea stellarioides Laulihilihi 1 Endangered Wherever found
Schiedea trinervis No common name 1 Endangered Wherever found
Schiedea verticillata No common name 1 Endangered Wherever found
Schiedea viscosa No common name 1 Endangered Wherever found
Schoenocrambe argillacea Clay reed-mustard 6 Threatened Wherever found
Schoenocrambe barnebyi Barneby reed-mustard 6 Endangered Wherever found
Schoenocrambe suffrutescens Shrubby reed-mustard 6 Endangered Wherever found
Schoepfia arenaria No common name 4 Threatened Wherever found
Schwalbea americana American chaffseed 4 Endangered Wherever found
Scirpus ancistrochaetus Northeastern bulrush 5 Endangered Wherever found
Sclerocactus brevihamatus ssp. tobuschii Tobusch fishhook cactus 2 Threatened Wherever found
Sclerocactus brevispinus Pariette cactus 6 Threatened Wherever found
Sclerocactus glaucus Colorado hookless Cactus 6 Threatened Wherever found
Sclerocactus mesae-verdae Mesa Verde cactus 2 Threatened Wherever found
Sclerocactus wetlandicus Uinta Basin hookless cactus 6 Threatened Wherever found
Sclerocactus wrightiae Wright fishhook cactus 6 Endangered Wherever found
Scutellaria floridana Florida skullcap 4 Threatened Wherever found
Scutellaria montana Large-flowered skullcap 4 Threatened Wherever found
Senecio layneae Layne's butterweed 8 Threatened Wherever found
Serianthes nelsonii Hayun Iagu (=(Guam), Tronkon guafi (Rota)) 1 Endangered Wherever found
Sesbania tomentosa Ohai 1 Endangered Wherever found
Sibara filifolia Santa Cruz Island rockcress 8 Endangered Wherever found
Sicyos albus `Anunu 1 Endangered Wherever found
Sicyos lanceoloideus No common name 1 Endangered Wherever found
Sicyos macrophyllus `Anunu 1 Endangered Wherever found
Sidalcea keckii Keck's Checker-mallow 8 Endangered Wherever found
Sidalcea nelsoniana Nelson's checker-mallow 1 Threatened Wherever found
Sidalcea oregana ssp. valida Kenwood Marsh checker-mallow 8 Endangered Wherever found
Sidalcea oregana var. calva Wenatchee Mountains checkermallow 1 Endangered Local Endemic
Sidalcea pedata Pedate checker-mallow 8 Endangered Wherever found
Sideroxylon reclinatum ssp. austrofloridense Everglades bully 4 Threatened Wherever found
Silene alexandri No common name 1 Endangered Wherever found
Silene hawaiiensis No common name 1 Threatened Wherever found
Silene lanceolata No common name 1 Endangered Wherever found
Silene perlmanii No common name 1 Endangered Wherever found
Silene polypetala Fringed campion 4 Endangered Wherever found
Silene spaldingii Spalding's Catchfly 1 Threatened Wherever found
Sisyrinchium dichotomum White irisette 4 Endangered Wherever found
Solanum drymophilum Erubia 4 Endangered Wherever found
Solanum guamense Berenghenas halomtano 1 Endangered Wherever found
Solanum incompletum Popolo ku mai 1 Endangered Wherever found
Solanum nelsonii Popolo 1 Endangered Wherever found
Solanum sandwicense `Aiakeakua, popolo 1 Endangered Wherever found
Solidago houghtonii Houghton's goldenrod 3 Threatened Wherever found
Solidago shortii Short's goldenrod 4 Endangered Wherever found
Solidago spithamaea Blue Ridge goldenrod 4 Threatened Wherever found
Spermolepis hawaiiensis No common name 1 Endangered Wherever found
Sphaeralcea gierischii Gierisch mallow 2 Endangered Wherever found
Spigelia gentianoides Gentian pinkroot 4 Endangered Wherever found
Spiraea virginiana Virginia spiraea 5 Threatened Wherever found
Spiranthes delitescens Canelo Hills ladies-tresses 2 Endangered Wherever found
Spiranthes diluvialis Ute ladies'-tresses 6 Threatened Wherever found
Spiranthes parksii Navasota ladies'-tresses 2 Endangered Wherever found
Stahlia monosperma Cobana negra 4 Threatened Wherever found
Stenogyne angustifolia angustifolia No common name 1 Endangered Wherever found
Stenogyne bifida No common name 1 Endangered Wherever found
Stenogyne campanulata No common name 1 Endangered Wherever found
Stenogyne cranwelliae No common name 1 Endangered Wherever found
Stenogyne kaalae ssp. sherffii No common name 1 Endangered Wherever found
Stenogyne kanehoana No common name 1 Endangered Wherever found
Stenogyne kauaulaensis No common name 1 Endangered Wherever found
Stenogyne kealiae No common name 1 Endangered Wherever found
Stephanomeria malheurensis Malheur wire-lettuce 1 Endangered Wherever found
Streptanthus albidus ssp. albidus Metcalf Canyon jewelflower 8 Endangered Wherever found
Streptanthus niger Tiburon jewelflower 8 Endangered Wherever found
Styrax portoricensis Palo de jazmin 4 Endangered Wherever found
Styrax texanus Texas snowbells 2 Endangered Wherever found
Suaeda californica California seablite 8 Endangered Entire
Swallenia alexandrae Eureka Dune grass 8 Threatened Entire
Tabernaemontana rotensis No common name 1 Threatened Wherever found
Taraxacum californicum California taraxacum 8 Endangered Wherever found
Ternstroemia luquillensis Palo colorado 4 Endangered Wherever found
Ternstroemia subsessilis No common name 4 Endangered Wherever found
Tetramolopium arenarium No common name 1 Endangered Wherever found
Tetramolopium capillare Pamakani 1 Endangered Wherever found
Tetramolopium filiforme No common name 1 Endangered Wherever found
Tetramolopium lepidotum ssp. lepidotum No common name 1 Endangered Wherever found
Tetramolopium remyi No common name 1 Endangered Wherever found
Tetramolopium rockii No common name 1 Threatened Wherever found
Thalictrum cooleyi Cooley's meadowrue 4 Endangered Wherever found
Thelypodium howellii spectabilis Howell's spectacular thelypody 1 Threatened Wherever found
Thelypodium stenopetalum Slender-petaled mustard 8 Endangered Wherever found
Thlaspi californicum Kneeland Prairie penny-cress 8 Endangered Wherever found
Thymophylla tephroleuca Ashy dogweed 2 Endangered Wherever found
Thysanocarpus conchuliferus Santa Cruz Island fringepod 8 Endangered Wherever found
Tinospora homosepala No Common Name 1 Endangered Wherever found
Townsendia aprica Last Chance townsendia 6 Threatened Wherever found
Trematolobelia singularis No common name 1 Endangered Wherever found
Trichilia triacantha Bariaco 4 Endangered Wherever found
Trifolium amoenum Showy Indian clover 8 Endangered Wherever found
Trifolium stoloniferum Running buffalo clover 3 Endangered Wherever found
Trifolium trichocalyx Monterey clover 8 Endangered Wherever found
Trillium persistens Persistent trillium 4 Endangered Wherever found
Trillium reliquum Relict trillium 4 Endangered Wherever found
Tuberolabium guamense No common name 1 Threatened Wherever found
Tuctoria greenei Greene's tuctoria 8 Endangered Wherever found
Tuctoria mucronata Solano grass 8 Endangered Wherever found
Urera kaalae Opuhe 1 Endangered Wherever found
Varronia rupicola No common name 4 Threatened Wherever found
Verbena californica Red Hills vervain 8 Threatened Wherever found
Verbesina dissita Big-leaved crownbeard 8 Threatened Wherever found
Vernonia proctorii No common name 4 Endangered Wherever found
Vicia menziesii Hawaiian vetch 1 Endangered Wherever found
Vigna o-wahuensis No common name 1 Endangered Wherever found
Viola chamissoniana ssp. chamissoniana Pamakani 1 Endangered Wherever found
Viola helenae No common name 1 Endangered Wherever found
Viola kauaiensis var. wahiawaensis Nani wai`ale`ale 1 Endangered Wherever found
Viola lanaiensis No common name 1 Endangered Wherever found
Viola oahuensis No common name 1 Endangered Wherever found
Warea amplexifolia Wide-leaf warea 4 Endangered Wherever found
Warea carteri Carter's mustard 4 Endangered Wherever found
Wikstroemia skottsbergiana No common name 1 Endangered Entire
Wikstroemia villosa No common name 1 Endangered Wherever found
Wilkesia hobdyi Dwarf iliau 1 Endangered Wherever found
Xylosma crenatum No common name 1 Endangered Wherever found
Xyris tennesseensis Tennessee yellow-eyed grass 4 Endangered Wherever found
Yermo xanthocephalus Desert yellowhead 6 Threatened Wherever found
Zanthoxylum dipetalum var. tomentosum A`e 1 Endangered Wherever found
Zanthoxylum hawaiiense A`e 1 Endangered Wherever found
Zanthoxylum oahuense A`e 1 Endangered Wherever found
Zanthoxylum thomasianum St. Thomas prickly-ash 4 Endangered Wherever found
Zizania texana Texas wild-rice 2 Endangered Wherever found
Ziziphus celata Florida ziziphus 4 Endangered Wherever found