| Common Name | Scientific Name | Code |
| n/a | Adenophorus ?abbottiae W.H. Wagner [hymenophylloides ? tamariscinus] | ADAB2 |
| n/a | Adenophorus ?carsonii T.A. Ranker [hymenophylloides ? tripinnatifidus] | ADCA5 |
| Adenophorus epigaeus | Adenophorus tamariscinus (Kaulfuss) Hook. & Grev. var. epigaeus Bishop | ADTAE |
| Adenophorus haalilioanus | Polypodium haalilioanum Brack. | POHA14 |
| Adenophorus hymenophylloides | Amphoradenium hymenophylloides (Kaulfuss) Copeland | AMHY3 |
| Adenophorus hymenophylloides | Polypodium hymenophylloides Kaulfuss | POHY5 |
| Adenophorus montanus | Adenophorus tamariscinus (Kaulfuss) Hook. & Grev. var. montanus (Hbd.) Bishop | ADTAM |
| Adenophorus oahuensis | Grammitis oahuensis Copeland | GROA |
| Adenophorus pinnatifidus | Polypodium sarmentosum Brack. | POSA24 |
| Adenophorus tamariscinus | Amphoradenium tamariscinum (Kaulfuss) Copeland | AMTA4 |
| Adenophorus tamariscinus | Polypodium tamariscinum Kaulfuss | POTA4 |
| Antilles dwarf polypody | Grammitis trichomanoides (Sw.) Ching | GRTR2 |
| Baldwin's dwarf polypody | Grammitis baldwinii (Baker) Copeland | GRBA2 |
| beaked snailfern | Cochlidium rostratum (Hook.) Maxon ex C. Christens. | CORO4 |
| Cochlidium jungens | Cochlidium minus (Jenman) Maxon | COMI8 |
| Cochlidium jungens | Grammitis jungens (Bishop) Proctor | GRJU |
| Cochlidium rostratum | Grammitis rostrata (Hook.) R.& A. Tryon | GRRO5 |
| Cochlidium seminudum | Grammitis seminuda (Willd.) Willd. | GRSE3 |
| Cochlidium serrulatum | Grammitis serrulata (Sw.) Sw. | GRSE2 |
| Cochlidium serrulatum | Polypodium duale Maxon | PODU6 |
| dwarf polypody | Grammitis Sw. | GRAMM |
| dwarf polypody | Melpomense A.R. Sm. & R.C. Moran | MELPO |
| elegant kihifern | Adenophorus abietinus (D.C. Eat.) K.A. Wilson | ADAB |
| Enterosora trifurcata | Grammitis trifurcata (L.) Copeland | GRTR |
| Enterosora trifurcata | Polypodium trifurcatum L. | POTR12 |
| fanleaf dwarf polypody | Melpomense flabelliformis (Poir.) A.R. Sm. & C.R. Moran | MEFL5 |
| filmy kihifern | Adenophorus hymenophylloides (Kaulfuss) Hook. & Grev. | ADHY |
| Forbes's dwarf polypody | Grammitis forbesiana W.H. Wagner | GRFO |
| graceful kihifern | Adenophorus pinnatifidus Gaud. | ADPI |
| Grammitis aspleniifolia | Polypodium aspleniifolium L. | POAS2 |
| Grammitis cultrata | Polypodium cultratum Willd. | POCU11 |
| Grammitis hessii | Grammitis limbata auct. non F?e [misapplied] | GRLI2 |
| Grammitis hessii | Polypodium hessii Maxon | POHE9 |
| Grammitis hookeri | Polypodium hookeri Brack. | POHO7 |
| Grammitis mollissima | Polypodium mollissimum F | POMO11 |
| Grammitis taxifolia | Polypodium taxifolium L. | POTA6 |
| Grammitis tenella | Polypodium pseudogrammitis Gaud. | POPS4 |
| Grammitis trichomanoides | Polypodium trichomanoides Sw. | POTR14 |
| Grammitis trichomanoides | Xiphopteris trichomanoides (Sw.) Copeland | XITR |
| Hart's lellingeria | Lellingeria hartii (Jenman) A.R. Sm. & R.C. Moran | LEHA10 |
| Hooker's dwarf polypody | Grammitis hookeri (Brack.) Copeland | GRHO2 |
| island kihifern | Adenophorus haalilioanus (Brack.) K.A. Wilson | ADHA |
| Jamaican lellingeria | Lellingeria suspensa (L.) A.R. Sm. & R.C. Moran | LESU37 |
| Kauai kihifern | Adenophorus epigaeus (Bishop) W.H. Wagner | ADEP |
| kihifern | Adenophorus Gaud. | ADENO3 |
| kolokolo | Grammitis tenella Kaulfuss | GRTE |
| lellingeria | Lellingeria A.R. Sm. & R.C. Moran | LELLI |
| Lellingeria hartii | Grammitis hartii (Jenman) Proctor | GRHA3 |
| Lellingeria hartii | Xiphopteris hartii (Jenman) Copeland | XIHA |
| Lellingeria myosuroides | Grammitis myosuroides (Sw.) Sw. | GRMY |
| Lellingeria myosuroides | Polypodium myosuroides Sw. | POMY4 |
| Lellingeria saffordii | Grammitis saffordii (Maxon) C. Morton | GRSA |
| Lellingeria saffordii | Polypodium saffordii Maxon | POSA15 |
| Lellingeria saffordii | Xiphopteris saffordii (Maxon) Copeland | XISA |
| Lellingeria suspensa | Grammitis jubiformis (Kaulfuss) Proctor | GRJU2 |
| Lellingeria suspensa | Grammitis suspensa (L.) Proctor | GRSU2 |
| Lellingeria suspensa | Polypodium jubiforme Kaulfuss | POJU6 |
| Liogier's dwarf polypody | Grammitis liogieri Proctor | GRLI4 |
| Maui kihifern | Adenophorus montanus (Hbd.) W.H. Wagner | ADMO3 |
| Melpomense anfractuosa | Grammitis anfractuosa (Kunze ex Klotzsch) Proctor | GRAN |
| Melpomense anfractuosa | Polypodium anfractuosum Kunze ex Klotzsch | POAN11 |
| Melpomense flabelliformis | Grammitis flabelliformis (Poir.) Morton | GRFL3 |
| Melpomense flabelliformis | Grammitis taenifolia (Jenman) Proctor | GRTA |
| Melpomense flabelliformis | Polypodium taenifolium Jenman | POTA5 |
| mountain snailfern | Cochlidium jungens Bishop | COJU |
| mouseear lellingeria | Lellingeria myosuroides (Sw.) A.R. Sm. & R.C. Moran | LEMY6 |
| Oahu kihifern | Adenophorus oahuensis (Copeland) Bishop | ADOA |
| octopus fern | Zygophlebia Bishop | ZYGOP2 |
| octopus fern | Zygophlebia sectifrons (Kunze ex Mett.) Bishop | ZYSE |
| pendant kihifern | Adenophorus periens Bishop | ADPE2 |
| royal kihifern | Adenophorus tripinnatifidus Gaud. | ADTR2 |
| Safford's lellingeria | Lellingeria saffordii (Maxon) A.R. Sm. & R.C. Moran | LESA16 |
| scaly dwarf polypody | Grammitis cultrata (Willd.) Proctor | GRCU |
| Sherring's dwarf polypody | Grammitis sherringii (Baker) Proctor | GRSH |
| Sierra de Luquillo dwarf polypody | Grammitis hanekeana Proctor | GRHA4 |
| smooth dwarf polypody | Grammitis mollissima (F?e) Proctor | GRMO |
| snailfern | Cochlidium Kaulfuss | COCHL |
| spleenwort dwarf polypody | Grammitis aspleniifolia (L.) Proctor | GRAS |
| tape dwarf polypody | Grammitis hessii (Maxon) Alain | GRHE2 |
| threefork polypody | Enterosora Baker | ENTER3 |
| threefork polypody | Enterosora trifurcata (L.) Bishop | ENTR |
| toothed snailfern | Cochlidium serrulatum (Sw.) Bishop | COSE7 |
| tree snailfern | Cochlidium seminudum (Willd.) Maxon | COSE6 |
| wahini noho mauna | Adenophorus tamariscinus (Kaulfuss) Hook. & Grev. | ADTA |
| West Indian dwarf polypody | Grammitis nimbata (Jenman) Proctor | GRNI |
| yewleaf dwarf polypody | Grammitis taxifolia (L.) Proctor | GRTA2 |
| zigzag dwarf polypody | Melpomense anfractuosa (Kunze ex Klotzsch) A.R. Sm. & R.C. Moran | MEAN7 |
| Zygophlebia sectifrons | Grammitis sectifrons (Kunze ex Mett.) Seymour | GRSE |
| Zygophlebia sectifrons | Polypodium sectifrons Kunze ex Mett. | POSE12 |