| Adenophorus periens |
Pendant kihi fern |
1 |
Endangered |
Wherever found |
| Adiantum vivesii |
No common name |
4 |
Endangered |
Wherever found |
| Asplenium dielerectum |
Asplenium-leaved diellia |
1 |
Endangered |
Wherever found |
| Asplenium dielfalcatum |
No common name |
1 |
Endangered |
Wherever found |
| Asplenium diellaciniatum |
No common name |
1 |
Endangered |
Wherever found |
| Asplenium dielmannii |
No common name |
1 |
Endangered |
Wherever found |
| Asplenium dielpallidum |
No common name |
1 |
Endangered |
Wherever found |
| Asplenium peruvianum var. insulare |
No common name |
1 |
Endangered |
Wherever found |
| Asplenium scolopendrium var. americanum |
American hart's-tongue fern |
5 |
Threatened |
Wherever found |
| Asplenium unisorum |
No common name |
1 |
Endangered |
Wherever found |
| Cladonia perforata |
Florida perforate cladonia |
4 |
Endangered |
Wherever found |
| Ctenitis squamigera |
Pauoa |
1 |
Endangered |
Wherever found |
| Cupressus abramsiana |
Santa Cruz cypress |
8 |
Threatened |
Wherever found |
| Cupressus goveniana ssp. goveniana |
Gowen cypress |
8 |
Threatened |
Wherever found |
| Cyathea dryopteroides |
Elfin tree fern |
4 |
Endangered |
Wherever found |
| Cycas micronesica |
Fadang |
1 |
Threatened |
Wherever found |
| Cyclosorus boydiae |
Kupukupu makalii |
1 |
Endangered |
Wherever found |
| Deparia kaalaana |
No common name |
1 |
Endangered |
Wherever found |
| Diplazium molokaiense |
No common name |
1 |
Endangered |
Wherever found |
| Doryopteris angelica |
No common name |
1 |
Endangered |
Wherever found |
| Doryopteris takeuchii |
No common name |
1 |
Endangered |
Wherever found |
| Dryopteris crinalis var. podosorus |
Palapalai aumakua |
1 |
Endangered |
Wherever found |
| Dryopteris glabra var. pusilla |
Hohiu |
1 |
Endangered |
Wherever found |
| Elaphoglossum serpens |
No common name |
4 |
Endangered |
Wherever found |
| Gymnoderma lineare |
Rock gnome lichen |
4 |
Endangered |
Wherever found |
| Huperzia mannii |
Wawae`iole |
1 |
Endangered |
Wherever found |
| Huperzia nutans |
Wawae`iole |
1 |
Endangered |
Wherever found |
| Huperzia stemmermanniae |
No common name |
1 |
Endangered |
Wherever found |
| Hypolepis hawaiiensis var. mauiensis |
olua |
1 |
Endangered |
Wherever found |
| Isoetes louisianensis |
Louisiana quillwort |
4 |
Endangered |
Wherever found |
| Isoetes melanospora |
Black spored quillwort |
4 |
Endangered |
Wherever found |
| Isoetes tegetiformans |
Mat-forming quillwort |
4 |
Endangered |
Wherever found |
| Marsilea villosa |
Ihi`ihi |
1 |
Endangered |
Wherever found |
| Microlepia strigosa var. mauiensis |
No common name |
1 |
Endangered |
Wherever found |
| Polystichum aleuticum |
Aleutian shield fern |
7 |
Endangered |
Wherever found |
| Polystichum calderonense |
No common name |
4 |
Endangered |
Wherever found |
| Pteris lidgatei |
No common name |
1 |
Endangered |
Wherever found |
| Tectaria estremerana |
No common name |
4 |
Endangered |
Wherever found |
| Thelypteris inabonensis |
No common name |
4 |
Endangered |
Wherever found |
| Thelypteris pilosa var. alabamensis |
Alabama streak-sorus fern |
4 |
Threatened |
Wherever found |
| Thelypteris verecunda |
No common name |
4 |
Endangered |
Wherever found |
| Thelypteris yaucoensis |
No common name |
4 |
Endangered |
Wherever found |
| Torreya taxifolia |
Florida torreya |
4 |
Endangered |
Wherever found |
| Trichomanes punctatum ssp. floridanum |
Florida bristle fern |
4 |
Endangered |
Wherever found |
