| alpine woodfern |
Dryopteris wallichiana |
8 |
| amaumau fern |
Sadleria cyatheoides |
11 |
| American rockbrake |
Cryptogramma acrostichoides |
2 |
| Australian treefern |
Dicksonia antarctica |
1 |
| black spleenwort |
Asplenium adiantum-nigrum |
3 |
| brackenfern |
Pteridium aquilinum |
8 |
| Braun's hollyfern |
Polystichum braunii |
2 |
| brittle bladderfern |
Cystopteris fragilis |
3 |
| bulblet bladderfern |
Cystopteris bulbifera |
1 |
| Chamisso's manfern |
Cibotium chamissoi |
1 |
| Christmas fern |
Polystichum acrostichoides |
4 |
| cinnamon fern |
Osmunda cinnamomea |
11 |
| common ladyfern |
Athyrium filix-femina |
4 |
| common maidenhair |
Adiantum capillus-veneris |
2 |
| crested woodfern |
Dryopteris cristata |
3 |
| cut-leaved grape fern |
Botrychium dissectum |
6 |
| deer fern |
Blechnum spicant |
2 |
| dense spleenwort |
Asplenium trichomanes ssp. densum |
2 |
| dotted polypody |
Polypodium pellucidum |
1 |
| dwarf netvein hollyfern |
Cyrtomium caryotideum |
2 |
| eastern marsh fern |
Thelypteris palustris |
2 |
| ebony spleenwort |
Asplenium platyneuron |
4 |
| European pepperwort |
Marsilea quadrifolia |
1 |
| Gaudichaud's halberd fern |
Tectaria gaudichaudii |
2 |
| giant salvinia |
Salvinia molesta |
12 |
| hairy brackenfern |
Pteridium aquilinum var. pubescens |
1 |
| hairy lipfern |
Cheilanthes lanosa |
2 |
| hairy pepperwort |
Marsilea vestita |
3 |
| hapu'u li |
Cibotium menziesii |
1 |
| Hawai'i air fern |
Pneumatopteris sandwicensis |
1 |
| Hawai'I birdnest fern |
Asplenium nidus |
5 |
| Hawai'i twinsorus fern |
Diplazium sandwichianum |
6 |
| hollyfern |
Polystichum spp. |
2 |
| interrupted fern |
Osmunda claytoniana |
1 |
| island swordfern |
Polystichum haleakalense |
1 |
| Japanese climbing fern |
Lygodium japonicum |
52 |
| kilaw |
Dryopteris glabra |
4 |
| Kunth's hacksaw fern |
Doodia kunthiana |
2 |
| Kunth's maiden fern |
Thelypteris kunthii |
3 |
| leatherleaf goldback fern |
Pityrogramma austroamericana |
3 |
| licorice fern |
Polypodium glycyrrhiza |
4 |
| loulu |
Coniogramme pilosa |
1 |
| maidenhair spleenwort |
Asplenium trichomanes |
3 |
| marginal woodfern |
Dryopteris marginalis |
1 |
| Mexican mosquitofern |
Azolla mexicana |
5 |
| musk fern |
Phymatosorus grossus |
3 |
| narrow swordfern |
Nephrolepis cordifolia |
2 |
| netted chainfern |
Woodwardia areolata |
8 |
| northern hollyfern |
Polystichum lonchitis |
1 |
| northern maidenhair fern |
Adiantum pedatum |
3 |
| old world climbing fern |
Lygodium microphyllum |
6 |
| Old World forkedfern |
Dicranopteris linearis |
2 |
| palapalai |
Microlepia strigosa |
2 |
| palm fern |
Blechnum appendiculatum |
1 |
| purple cliffbrake |
Pellaea atropurpurea |
4 |
| rattlesnake fern |
Botrychium virginianum |
2 |
| resurrection fern |
Pleopeltis polypodioides |
4 |
| rough maidenhair fern |
Adiantum hispidulum |
2 |
| royal fern |
Osmunda regalis |
4 |
| rusty woodsia |
Woodsia ilvensis |
4 |
| sensitive fern |
Onoclea sensibilis |
5 |
| spinulose woodfern |
Dryopteris carthusiana |
2 |
| spleenwort |
Asplenium spp. |
1 |
| treeferns |
Alsophila spp. |
1 |
| upland brittle bladderfern |
Cystopteris tenuis |
3 |
| villous waterclover |
Marsilea villosa |
5 |
| Virginia chainfern |
Woodwardia virginica |
2 |
| waimakanui |
Pteris excelsa |
6 |
| walking fern |
Asplenium rhizophyllum |
4 |
| water fern |
Salvinia minima |
2 |
| waterclover |
Marsilea spp. |
3 |
| watermoss |
Salvinia spp. |
36 |
| watersprite |
Ceratopteris thalictroides |
5 |
| weeping fern |
Lepisorus thunbergianus |
2 |
| western swordfern |
Polystichum munitum |
5 |
| woodfern |
Dryopteris spp. |
1 |
