Adenophorus haalilioanus (Brack.) K.A. Wilson - Island kihi fern. Synonymy: Polypodium haalilioanum Brack.

Adenophorus hymenophylloides (Kaulfuss) Hook. & Grev. - Filmy kihi fern. Synonymy: Amphoradenium hymenophylloides (Kaulfuss) Copeland, Polypodium hymenophylloides Kaulfuss

Adenophorus pinnatifidus Gaud. - Graceful kihi fern. Synonymy: Polypodium sarmentosum Brack.

Adenophorus tamariscinus (Kaulfuss) Hook. & Grev. - Wahini noho mauna. Synonymy: Amphoradenium tamariscinum (Kaulfuss) Copeland, Polypodium tamariscinum Kaulfuss

Cochlidium serrulatum (Sw.) Bishop - Toothed snail fern. Synonymy: Grammitis serrulata (Sw.) Sw., Polypodium duale Maxon

Enterosora trifurcata (L.) Bishop - Three-fork-polypody. Synonymy: Grammitis trifurcata (L.) Copeland, Polypodium trifurcatum L.

Grammitis aspleniifolia (L.) Proctor - Spleenwort dwarf-polypody. Synonymy: Polypodium aspleniifolium L.

Grammitis cultrata (Willd.) Proctor - Scaly dwarf-polypody. Synonymy: Polypodium cultratum Willd.

Grammitis hessii (Maxon) Alain - Tape dwarf-polypody. Synonymy: Grammitis limbata auct. non Fée, Polypodium hessii Maxon

Grammitis hookeri (Brack.) Copeland - Hooker's dwarf-polypody. Synonymy: Polypodium hookeri Brack.

Grammitis mollissima (Fée) Proctor - Smooth dwarf-polypody. Synonymy: Polypodium mollissimum Fée

Grammitis taxifolia (L.) Proctor - Yew-leaf dwarf-polypody. Synonymy: Polypodium taxifolium L.

Grammitis tenella Kaulfuss - Kolokolo. Synonymy: Polypodium pseudogrammitis Gaud.

Grammitis trichomanoides (Sw.) Ching - Antilles dwarf-polypody. Synonymy: Polypodium trichomanoides Sw., Xiphopteris trichomanoides (Sw.) Copeland

Lellingeria myosuroides (Sw.) A.R. Sm. & R.C. Moran. Synonymy: Grammitis myosuroides (Sw.) Sw., Polypodium myosuroides Sw.

Lellingeria saffordii (Maxon) A.R. Sm. & R.C. Moran. Synonymy: Grammitis saffordii (Maxon) C. Morton, Polypodium saffordii Maxon, Xiphopteris saffordii (Maxon) Copeland

Lellingeria suspensa (L.) A.R. Sm. & R.C. Moran. Synonymy: Grammitis jubiformis (Kaulfuss) Proctor, Grammitis suspensa (L.) Proctor, Polypodium jubiforme Kaulfuss

Melpomense anfractuosa (Kunze ex Klotzsch) A.R. Sm. & R.C. Moran. Synonymy: Grammitis anfractuosa (Kunze ex Klotzsch) Proctor, Polypodium anfractuosum Kunze ex Klotzsch

Melpomense flabelliformis (Poir.) A.R. Sm. & C.R. Moran. Synonymy: Grammitis flabelliformis (Poir.) Morton, Grammitis taenifolia (Jenman) Proctor, Polypodium taenifolium Jenman

Zygophlebia sectifrons (Kunze ex Mett.) Bishop - Octopus fern. Synonymy: Grammitis sectifrons (Kunze ex Mett.) Seymour, Polypodium sectifrons Kunze ex Mett.

Campyloneurum angustifolium (Sw.) Fée - Narrow strap fern. Synonymy: Polypodium angustifolium Sw.

Campyloneurum costatum (Kunze) K. Presl - Tailed strap fern. Synonymy: Polypodium costatum Kunze

Campyloneurum latum T. Moore - Bird-wing fern. Synonymy: Polypodium latum (T. Moore) T. Moore ex Sodiro, Polypodium phyllitidis var. latum (T. Moore) Proctor

Campyloneurum phyllitidis (L.) K. Presl - Long strap fern. Synonymy: Polypodium phyllitidis L.

Campyloneurum repens (Aubl.) K. Presl - Creeping strap fern. Synonymy: Polypodium repens Aubl.

Lepisorus thunbergianus (Kaulfuss) Ching - Weeping fern. Synonymy: Pleopeltis linearis (Thunb.) Moore, Pleopeltis thunbergiana Kaulfuss, Polypodium lineare Thunb., Polypodium thunbergianum (Kaulfuss) C. Christens.

Microgramma heterophylla (L.) Wherry - Clinging snake fern. Synonymy: Polypodium heterophyllum L.

Microgramma lycopodioides (L.) Copeland - Clubmoss snake fern. Synonymy: Polypodium lycopodioides L.

Microgramma piloselloides (L.) Copeland - Hairy snake fern. Synonymy: Polypodium piloselloides L.

Microsorum scolopendria (Burm. f.) Copeland - Monarch fern. Treated by the U.S. FWS as proposed for listing as endangered. The FWS 'historic' range of distribution is: U.S.A. (HI). The FWS Pacific Regional Office is responsible for listing. Treated by the FWS as Phyllostegia kaalaensis. Synonymy: Phymatodes scolopendria (Burm. f.) Ching, Polypodium phymatodes L., Polypodium scolopendria Burm. f.

Microsorum spectrum (Kaulfuss) Copeland - Triploid fern. Synonymy: Polypodium spectrum Kaulfuss

Niphidium crassifolium (L.) Lellinger - Graceful fern. Synonymy: Polypodium crassifolium L.

Pecluma camptophyllaria (Fée) M.G. Price - Colombian rockcap fern.

ssp. abbreviata (A.M. Evans) Kartesz & Gandhi Synonymy: Polypodium camptophyllarium var. abbreviatum A.M. Evans

ssp. camptophyllaria

Pecluma consimilis (Mett.) M.G. Price - Montane rockcap fern. Synonymy: Polypodium consimile Mett.

Pecluma dispersa (A.M. Evans) M.G. Price - Widespread rockcap fern. Synonymy: Polypodium dispersum A.M. Evans

Pecluma pectinata (L.) M.G. Price - Comb-leaf rockcap fern. Synonymy: Polypodium pectinatum L.

Pecluma plumula (Humb. & Bonpl. ex Willd.) M.G. Price - Plumed rockcap fern. Synonymy: Polypodium plumula Humb. & Bonpl. ex Willd.

Pecluma ptilodon (Kunze) M.G. Price - Palm-leaf rockcap fern.

ssp. caespitosum (Jenman) Windham Synonymy: Pecluma ptilodon var. caespitosum (Jenman) Lellinger, Polypodium ptilodon var. caespitosum (Jenman) A.M. Evans

Phlebodium aureum (L.) J. Sm. - Golden-polypody. Synonymy: Polypodium aureum L.

Phlebodium decumanum (Willd.) J. Sm. - Creeping golden-polypody. Synonymy: Polypodium decumanum Willd.

Phlebodium pseudoaureum (Cav.) Lellinger - False golden-polypody. Synonymy: Phlebodium areolatum (Humb. & Bonpl. ex Willd.) Baker, Polypodium aureum var. areolatum (Humb. & Bonpl. ex Willd.) Baker, Polypodium pseudoaureum Cav.

Pleopeltis astrolepis (Liebm.) Fourn. - Star-scale scaly-polypody. Synonymy: Pleopeltis revoluta (Spreng. ex Willd.) A.R. Sm., non Alderw., Polypodium astrolepis Liebm.

Pleopeltis polylepis (Roemer ex Kunze) Moore - Red-scale scaly-polypody.

var. erythrolepis (Weatherby) T. Wendt Present in the Texas flora (treated as Polypodium erythrolepis Weath.by Hatch et al, 1990) and known locally as: Darkscale polypody (Texas Distribution by vegetation zone). Synonymy: Pleopeltis erythrolepis (Weatherby) Pichi Sermolli, Polypodium erythrolepis Weatherby

Pleopeltis polypodioides (L.) Andrews & Windham - Resurrection fern. Images available from the Vascular Plant Image Gallery.

ssp. michauxiana (Weatherby) Andrews & Windham Present in the Texas flora (treated as Polypodium polypodioides (L.) Watt var. michauxianum Weath.by Hatch et al, 1990) and known locally as: Resurrection fern, gray polypody (Texas Distribution by vegetation zone). Synonymy: Polypodium polypodioides var. michauxianum Weatherby

ssp. polypodioides Synonymy: Marginaria polypodioides (L.) Tidestrom, Polypodium polypodioides (L.) Watt

Pleopeltis riograndensis (T. Wendt) Andrews & Windham - Rio grande scaly-polypody. Synonymy: Polypodium thyssanolepis var. riograndense T. Wendt

Pleopeltis squamata (L.) J. Sm. - Thick-leaf scaly-polypody. Synonymy: Polypodium squamatum L.

Pleopeltis thyssanolepis (A. Braun ex Klotzsch) Andrews & Windham - Scaly-polypody. Present in the Texas flora (treated as Polypodium thyssanolepis Klotzschby Hatch et al, 1990) (Texas Distribution by vegetation zone). Synonymy: Polypodium thyssanolepis A. Braun ex Klotzsch

Polypodium amorphum Suksdorf - Irregular polypody. Synonymy: Polypodium montense F.A. Lang

Polypodium appalachianum Haufler & Windham - Appalachian polypody.

Polypodium attenuatum Humb. & Bonpl. ex Willd. - Tapered polypody.

Polypodium californicum Kaulfuss - California polypody. Present in the CalFlora Database (California distribution map). Synonymy: Polypodium californicum var. kaulfussii D.C. Eat.

Polypodium calirhiza S. Whitmore & A.R. Sm. - Nested polypody. Present in the CalFlora Database (California distribution map). Synonymy: Polypodium vulgare var. intermedium (Hook. & Arn.) Fern.

Polypodium dissimile L. - Fork-vein polypody. Synonymy: Polypodium chnoodes Spreng.

Polypodium dulce Poir.. Synonymy: Polypodium sororium Humb. & Bonpl. ex Willd.

Polypodium glycyrrhiza D.C. Eat. - Licorice fern. Present in the CalFlora Database (California distribution map). Photographs (3) from CalPhotos. Synonymy: Polypodium vulgare ssp. occidentale (Hook.) Hultén, Polypodium vulgare var. commune Milde, Polypodium vulgare var. occidentale Hook.

Polypodium hesperium Maxon - Western polypody. Present in the CalFlora Database (California distribution map). Synonymy: Polypodium vulgare ssp. columbianum (Gilbert) Hultén, Polypodium vulgare var. columbianum Gilbert, Polypodium vulgare var. hesperium (Maxon) A. Nels. & J.F. Macbr.

Polypodium lanceolatum L. - Lance-leaf polypody.

Polypodium loriceum L. - Clambering polypody.

Polypodium pellucidum Kaulfuss - Dotted polypody.

var. pellucidum Synonymy: Polypodium knudsenii Hieron.

var. vulcanicum Skottsberg

Polypodium saximontanum Windham - Rocky mountain polypody.

Polypodium scouleri Hook. & Grev. - Leathery polypody. Present in the CalFlora Database (California distribution map). Photographs (4) from CalPhotos.

Polypodium sibiricum Sipl. - Siberian polypody.

Polypodium triseriale Sw. - Angle-vein fern. Synonymy: Goniophlebium triseriale (Sw.) Wherry

Polypodium virginianum L. - Rock polypody. Synonymy: Polypodium vulgare auct. p.p. non L., Polypodium vulgare var. virginianum (L.) Eat.

Thelypteris abrupta (Desv.) Proctor - Fairy-bit maiden fern. Synonymy: Polypodium abruptum Desv.

Thelypteris noveboracensis (L.) Nieuwl. - New york fern. Synonymy: Dryopteris noveboracensis (L.) Gray, Polypodium noveboracense L., Thelypteris thelypterioides (Michx.) Holub

Thelypteris quelpaertensis (Christ) Ching - Queen's-veil maiden fern. Synonymy: Dryopteris oreopteris auct. non (Ehrh.) Maxon, Lastrea limbosperma (All.) Heywood, Oreopteris limbosperma auct. non (All.) Holub, Oreopteris quelpaertensis (Christ) Holub, Polypodium limbospermum auct. non All., Thelypteris limbosperma auct. non (All.) Fuchs