| Polystichum abbreviatum Lam. & DC. | Synonym |  | TRO | 
	
		| Polystichum acanthophyllum (Franch.) H. Christ | Accepted |  | TRO | 
	
		| Polystichum acanthophyllum var. indicum H. Christ | Synonym |  | TRO | 
	
		| Polystichum acrostichoides (Michx.) Schott | Accepted |  | TRO | 
	
		| Polystichum acrostichoides f. incisum (A. Gray) Gilbert | Accepted |  | TRO | 
	
		| Polystichum acrostichoides var. incisum A. Gray | Synonym |  | TRO | 
	
		| Polystichum acrostichoides var. schweinitzii (Beck) Small | Accepted |  | TRO | 
	
		| Polystichum acrostichoides x angulare Hans | Unresolved |  | IPNI | 
	
		| Polystichum acrostichoides x dryopteris cristata Greene | Unresolved |  | IPNI | 
	
		| Polystichum aculeatum (L.) Schott | Accepted |  | TRO | 
	
		| Polystichum aculeatum (L.) Roth ex Mert. | Synonym |  | TRO | 
	
		| Polystichum aculeatum (L.) Bedd. | Unresolved |  | TRO | 
	
		| Polystichum aculeatum var. acanthophyllum (Franch.) Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. alfaroi Christ | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. biaristatum (Blume) Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. californicum Jeps. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. coraiense H. Christ | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. dudleyi (Maxon) Jeps. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. durissima Rosenst. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. fargesii H. Christ | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. fibrilloso-paleaceum Kodama | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. flavidum Rosenst. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. formosanum Kodama | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. japonicum (Franch. & Sav.) Diels | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. makinoi Tagawa | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. moritzianum (Klotzsch) Hook. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. mucronifolium (Blume) Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. nigropaleaceum H. Christ | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. ovatopaleaceum Kodama | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. pinfaense Rosenst. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. retrosopaleaceum Kodama | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. rufobarbatum (Wall. ex C.B. Clarke) Bedd. | Accepted |  | TRO | 
	
		| Polystichum aculeatum var. scopulinum (D.C. Eaton) Gilbert | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. semifertile (C.B. Clarke) Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. setosum (C.B. Clarke) Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. setulosum Rosenst. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. stenophyllon Bonap. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. travancoricum Bedd. | Synonym |  | TRO | 
	
		| Polystichum aculeatum var. variiforme Hayata | Synonym |  | TRO | 
	
		| Polystichum aculeatum x braunii | Unresolved |  | IPNI | 
	
		| Polystichum aculeatum x lobatum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum aculeatum x lonchitis C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum aculeatum x lonchitis Holmberg | Unresolved |  | IPNI | 
	
		| Polystichum aculeolatum Fée | Unresolved |  | IPNI | 
	
		| Polystichum acuminatum (Diels) C.M. Kuo | Synonym |  | TRO | 
	
		| Polystichum acutidens H. Christ | Accepted |  | TRO | 
	
		| Polystichum acutidens (H. Christ) Makino & Nemoto | Synonym |  | TRO | 
	
		| Polystichum acutifolium C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum acutipinnulum Ching & K.H. Shing | Accepted |  | TRO | 
	
		| Polystichum acutum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum adiantiforme (G. Forst.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum adiantiforme var. madagascaricum Bonap. | Synonym |  | TRO | 
	
		| Polystichum adungense Ching & Fraser-Jenk. ex H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum aemulum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum affine C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum affine Ledeb. | Unresolved |  | IPNI | 
	
		| Polystichum alaskense Maxon | Synonym |  | TRO | 
	
		| Polystichum alatawshanicum Chang Y. Yang | Unresolved |  | TRO | 
	
		| Polystichum albomarginatum M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum alcicorne (Baker) Diels | Accepted |  | TRO | 
	
		| Polystichum alfaroi (Christ) Barrington | Accepted |  | TRO | 
	
		| Polystichum alpinum Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum alticola Schelpe & N.C. Anthony | Synonym |  | TRO | 
	
		| Polystichum altum Ching | Accepted |  | TRO | 
	
		| Polystichum amabile (Blume) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum amabile var. chinense Rosenst. | Synonym |  | TRO | 
	
		| Polystichum amabile var. controversum Hance ex Y.C. Wu | Synonym |  | TRO | 
	
		| Polystichum amabile var. yaoshanense Y.C. Wu | Synonym |  | TRO | 
	
		| Polystichum ambiguum Maxon | Unresolved |  | TRO | 
	
		| Polystichum amblyotum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum amboroense M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum × amboversum Kurata | Unresolved |  | IPNI | 
	
		| Polystichum ammifolium (Poir.) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum amplissimum C. Presl | Synonym |  | TRO | 
	
		| Polystichum × anceps Kurata | Unresolved |  | IPNI | 
	
		| Polystichum andersonii Hopkins | Accepted |  | TRO | 
	
		| Polystichum andinum Phil. | Accepted |  | TRO | 
	
		| Polystichum angulare C. Presl | Synonym |  | TRO | 
	
		| Polystichum angustatum Schum. | Unresolved |  | IPNI | 
	
		| Polystichum annapurnicola Fraser-Jenk. ex Thapa | Unresolved |  | IPNI | 
	
		| Polystichum anomalum (Hook. & Arn.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum anomalum var. travancoricum (Bedd.) Sledge | Unresolved |  | TRO | 
	
		| Polystichum anomophyllum (Zenker) Nakai | Synonym |  | TRO | 
	
		| Polystichum apicisterile Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum apiifolium (Sw.) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum aquifolium Underw. & Maxon | Unresolved |  | IPNI | 
	
		| Polystichum aquilinum Copel. | Unresolved |  | IPNI | 
	
		| Polystichum archboldii Copel. | Unresolved |  | IPNI | 
	
		| Polystichum arisanicum Rosenst. | Synonym |  | TRO | 
	
		| Polystichum aristatum (G. Forst.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum aristatum var. simplicior (Makino) Matsum. | Synonym |  | TRO | 
	
		| Polystichum artemisioides Goldm. | Unresolved |  | IPNI | 
	
		| Polystichum articulatipilosum H.G. Zhou & Hua Li | Accepted |  | TRO | 
	
		| Polystichum ascendens (Heward) T. Moore | Synonym |  | TRO | 
	
		| Polystichum asperum Bubani | Unresolved |  | IPNI | 
	
		| Polystichum assamicum (Kuhn) Ching | Synonym |  | TRO | 
	
		| Polystichum assurgens Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum assurgentipinnum W.M. Chu & B.Y. Zhang | Accepted |  | TRO | 
	
		| Polystichum atkinsonii Bedd. | Accepted |  | TRO | 
	
		| Polystichum atkisoni Bedd. | Unresolved |  | IPNI | 
	
		| Polystichum atroviridissimum Hayata | Synonym |  | TRO | 
	
		| Polystichum attenuatum Tagawa & Z. Iwats. | Accepted |  | TRO | 
	
		| Polystichum attenuatum var. subattenuatum (Ching & W.M. Chu) W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum atuntzeense Ching | Synonym |  | TRO | 
	
		| Polystichum auriculatum (L.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum auriculatum var. lentum (D. Don) Bedd. | Synonym |  | TRO | 
	
		| Polystichum auriculatum var. stenophyllum (Baker) Matthew | Synonym |  | TRO | 
	
		| Polystichum auriculatum var. subbipinnatum (Hook.) Bedd. | Synonym |  | TRO | 
	
		| Polystichum auriculum Ching | Accepted |  | TRO | 
	
		| Polystichum australiense Tindale | Unresolved |  | TRO | 
	
		| Polystichum australium Copel. | Unresolved |  | TRO | 
	
		| Polystichum austrotibeticum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum bachii M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum bakerianum (Atk. ex C.B. Clarke) Diels | Accepted |  | TRO | 
	
		| Polystichum balansae H. Christ | Synonym |  | TRO | 
	
		| Polystichum bamlerianum Rosenst. | Unresolved |  | TRO | 
	
		| Polystichum baoxingense Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum barbatum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum basipinnatum (Baker) Diels | Synonym |  | TRO | 
	
		| Polystichum benoitianum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum berteroanum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum biaristatum (Blume) T. Moore | Accepted |  | TRO | 
	
		| Polystichum × bichnellii Hahne | Accepted |  | TRO | 
	
		| Polystichum bicknellii Hahne | Unresolved |  | IPNI | 
	
		| Polystichum bicolor A.R. Sm. | Synonym |  | TRO | 
	
		| Polystichum bicolor Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum bifidum Ching | Accepted |  | TRO | 
	
		| Polystichum bigemmatum Ching ex L.L. Xiang | Accepted |  | TRO | 
	
		| Polystichum birii Jamir & R.R.Rao | Unresolved |  | IPNI | 
	
		| Polystichum bissectum C. Chr. | Accepted |  | TRO | 
	
		| Polystichum bissetianum (Baker) Nakai | Synonym |  | TRO | 
	
		| Polystichum bissetianum var. sacrosanctum (Koidz.) Nakai | Synonym |  | TRO | 
	
		| Polystichum blepharistegium Copel. | Unresolved |  | IPNI | 
	
		| Polystichum blinii (H. Lév.) H. Lév. & C. Chr. | Synonym |  | TRO | 
	
		| Polystichum boboense Hieron. | Synonym |  | TRO | 
	
		| Polystichum bolanicum Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum bomiense Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum bonapartii Rosenst. | Accepted |  | TRO | 
	
		| Polystichum bonatianum Brause | Synonym |  | TRO | 
	
		| Polystichum bonseyi W.H. Wagner & Hobdy | Unresolved |  | TRO | 
	
		| Polystichum boottii Gaudog. | Unresolved |  | IPNI | 
	
		| Polystichum brachypterum (Kunze) Ching | Accepted |  | TRO | 
	
		| Polystichum bradei Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum brassii Copel. | Unresolved |  | IPNI | 
	
		| Polystichum braunii (Spenn.) Fée | Accepted |  | TRO | 
	
		| Polystichum braunii var. alaskense (Maxon) Hultén | Synonym |  | TRO | 
	
		| Polystichum braunii subsp. alaskense (Maxon) Calder & Roy L. Taylor | Synonym |  | TRO | 
	
		| Polystichum braunii subsp. andersonii (Hopkins) Calder & Roy L. Taylor | Synonym |  | TRO | 
	
		| Polystichum braunii var. andersonii (Hopkins) Hultén | Synonym |  | TRO | 
	
		| Polystichum braunii subsp. kamtschaticum (C. Chr. & Hultén) Á. Löve & D. Löve | Accepted |  | TRO | 
	
		| Polystichum braunii var. kamtschaticum C. Chr. & Hultén | Synonym |  | TRO | 
	
		| Polystichum braunii var. purshii Fernald | Synonym |  | TRO | 
	
		| Polystichum braunii subsp. purshii (Fernald) Calder & Roy L. Taylor | Synonym |  | TRO | 
	
		| Polystichum braunii var marcowiczi x angulare Fomin | Unresolved |  | IPNI | 
	
		| Polystichum braunii var purshii x lonchitis Ewan | Unresolved |  | IPNI | 
	
		| Polystichum braunii x acrostichoides R.Thomps. & Coffin | Unresolved |  | IPNI | 
	
		| Polystichum braunii x lobatum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum bridgesii Schott | Unresolved |  | IPNI | 
	
		| Polystichum brongniartianum J. Rémy & Fée | Synonym |  | TRO | 
	
		| Polystichum brunneum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum bulbiferum Barrington | Accepted |  | TRO | 
	
		| Polystichum caducum (T. Moore) Diels | Accepted |  | TRO | 
	
		| Polystichum caespitosum (Wall. ex Mett.) Bedd. | Synonym |  | TRO | 
	
		| Polystichum calderonense Proctor | Unresolved |  | IPNI | 
	
		| Polystichum californicum Diels | Accepted |  | TRO | 
	
		| Polystichum callipteris Bernh. | Unresolved |  | IPNI | 
	
		| Polystichum callipteris DC.in Lam. & DC. | Unresolved |  | IPNI | 
	
		| Polystichum canariense Keys. | Unresolved |  | IPNI | 
	
		| Polystichum capense J. Sm. | Synonym |  | TRO | 
	
		| Polystichum capillipes (Baker) Diels | Accepted |  | TRO | 
	
		| Polystichum caripense Keys. | Unresolved |  | IPNI | 
	
		| Polystichum carthusianum Sanio | Unresolved |  | IPNI | 
	
		| Polystichum carvifolium (Kunze) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum carvifolium (Baker) Diels | Synonym |  | TRO | 
	
		| Polystichum caryotideum (Wall. ex Hook. & Grev.) Diels | Synonym |  | TRO | 
	
		| Polystichum caryotideum var. clivicolum Makino | Synonym |  | TRO | 
	
		| Polystichum castaneum (C.B. Clarke) B.K. Nayar & S. Kaur | Accepted |  | TRO | 
	
		| Polystichum caudatum Fée | Unresolved |  | IPNI | 
	
		| Polystichum caudescens Dutra | Unresolved |  | IPNI | 
	
		| Polystichum centronepalense Fraser-Jenk. | Unresolved |  | TRO | 
	
		| Polystichum chaerophylloides C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum chaparensis M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum cheilanthoides Copel. | Unresolved |  | IPNI | 
	
		| Polystichum chilense (H. Chr.) Diels | Accepted |  | TRO | 
	
		| Polystichum chilense var. chilense | Accepted |  | TRO | 
	
		| Polystichum chilense var. dusenii Looser | Accepted |  | TRO | 
	
		| Polystichum chingae Ching | Accepted |  | TRO | 
	
		| Polystichum chlaenosticta Fée | Unresolved |  | IPNI | 
	
		| Polystichum christianae (Jenman) Underw. & Maxon | Accepted |  | TRO | 
	
		| Polystichum christii Ching | Accepted |  | TRO | 
	
		| Polystichum chunii Ching | Accepted |  | TRO | 
	
		| Polystichum clemensiae Copel. | Unresolved |  | IPNI | 
	
		| Polystichum cochleatum (Klotzsch) Hieron. | Synonym |  | TRO | 
	
		| Polystichum conaense Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum concavum Moore | Unresolved |  | IPNI | 
	
		| Polystichum concinnum Lellinger ex Barrington | Accepted |  | TRO | 
	
		| Polystichum confluens E. Fourn. | Synonym |  | TRO | 
	
		| Polystichum congestum M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum coniifolium C. Presl | Unresolved |  | TRO | 
	
		| Polystichum conjunctum Ching | Unresolved |  | TRO | 
	
		| Polystichum consanguineum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum consimile Ching | Accepted |  | TRO | 
	
		| Polystichum constantissimum Hayata | Synonym |  | TRO | 
	
		| Polystichum constrictum Marshall; Gard. | Unresolved |  | IPNI | 
	
		| Polystichum conterminum (Willd.) Gaudich. | Synonym |  | TRO | 
	
		| Polystichum controversum Ching | Unresolved |  | TRO | 
	
		| Polystichum convolutum Dulac | Unresolved |  | IPNI | 
	
		| Polystichum copelandii Christ | Unresolved |  | IPNI | 
	
		| Polystichum coriaceum Schott | Synonym |  | TRO | 
	
		| Polystichum costularisorum Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum coursii Tardieu | Synonym |  | TRO | 
	
		| Polystichum craspedocarpium Ching & W.M. Chu | Synonym |  | TRO | 
	
		| Polystichum craspedosorum (Maxim.) Diels | Accepted |  | TRO | 
	
		| Polystichum crassinervium Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum crenato-dentatum Klotzsch | Unresolved |  | IPNI | 
	
		| Polystichum crenulatum Chevall. | Unresolved |  | IPNI | 
	
		| Polystichum crinigerum (C. Chr.) Ching | Accepted |  | TRO | 
	
		| Polystichum crinulosum J.P.Roux | Unresolved |  | IPNI | 
	
		| Polystichum cristatum Roth | Unresolved |  | TRO | 
	
		| Polystichum cristatum x spinulosum Sanio | Unresolved |  | IPNI | 
	
		| Polystichum cumingianum C. Presl | Unresolved |  | TRO | 
	
		| Polystichum cuneatiforme W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum cunneatum Ching ex P.S. Wang | Synonym |  | TRO | 
	
		| Polystichum cuspidatum (C. Presl) C. Presl | Synonym |  | TRO | 
	
		| Polystichum cyclolobum C. Chr. | Accepted |  | TRO | 
	
		| Polystichum cyphochlamys Fée | Unresolved |  | IPNI | 
	
		| Polystichum cystopteroides Nees | Synonym |  | TRO | 
	
		| Polystichum cystostegium J.B.Armstr. | Unresolved |  | IPNI | 
	
		| Polystichum daguanense Ching ex L.L. Xiang | Accepted |  | TRO | 
	
		| Polystichum dangii P.S.Wang | Unresolved |  | IPNI | 
	
		| Polystichum davallioides Diels | Unresolved |  | IPNI | 
	
		| Polystichum daymanense Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum decompositum Keys. | Unresolved |  | IPNI | 
	
		| Polystichum decoratum Maxon | Unresolved |  | TRO | 
	
		| Polystichum decorum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum deflexum Ching ex W.M. Chu | Accepted |  | TRO | 
	
		| Polystichum delavayi (H. Christ) Ching | Accepted |  | TRO | 
	
		| Polystichum deltodon (Baker) Diels | Accepted |  | TRO | 
	
		| Polystichum deltodon var. acutidens (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum deltodon var. cultratum H. Christ | Synonym |  | TRO | 
	
		| Polystichum deltodon var. deltodon | Accepted |  | TRO | 
	
		| Polystichum deltodon var. marginale (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum deltodon var. pseudodeltodon (Tagawa) Tagawa | Synonym |  | TRO | 
	
		| Polystichum deltodon var. submarginale (Baker) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum deminuens Maxon | Unresolved |  | TRO | 
	
		| Polystichum dendrophilum Alderw. | Unresolved |  | IPNI | 
	
		| Polystichum denticulatum (Sw.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum denticulatum var. rigidissima (Hook.) Hieron. | Synonym |  | TRO | 
	
		| Polystichum deversum H. Christ | Synonym |  | TRO | 
	
		| Polystichum devexiscapulae Koidz. | Synonym |  | TRO | 
	
		| Polystichum diaphanum T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum dictyophyllum (Mett. ex Kuhn) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum dielsii H. Christ | Accepted |  | TRO | 
	
		| Polystichum diffractum (Baker) Masam. | Synonym |  | TRO | 
	
		| Polystichum diffundens H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum dilatatum (Hoffm.) Schumach. | Synonym |  | TRO | 
	
		| Polystichum dimorphophyllum Hayata | Synonym |  | TRO | 
	
		| Polystichum diplazioides H. Christ | Synonym |  | TRO | 
	
		| Polystichum discolor Brack. | Unresolved |  | IPNI | 
	
		| Polystichum discretum (D. Don) Diels | Synonym |  | TRO | 
	
		| Polystichum discretum (D. Don) J. Sm. | Accepted |  | TRO | 
	
		| Polystichum disjunctum Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum dissectum Bernh. | Unresolved |  | IPNI | 
	
		| Polystichum dissimulans Maxon | Unresolved |  | TRO | 
	
		| Polystichum distans E. Fourn. | Accepted |  | TRO | 
	
		| Polystichum doianum Tagawa | Synonym |  | TRO | 
	
		| Polystichum dracomontanum Schelpe | Unresolved |  | TRO | 
	
		| Polystichum drepanoides E. Fourn. | Synonym |  | TRO | 
	
		| Polystichum drepanum C. Presl | Unresolved |  | TRO | 
	
		| Polystichum dryopteris Roth | Unresolved |  | TRO | 
	
		| Polystichum dubium (H. Karst.) Diels | Accepted |  | TRO | 
	
		| Polystichum dubrueillianum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum dudleyi Maxon | Accepted |  | TRO | 
	
		| Polystichum duriusculum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum duthiei (C. Hope) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum duthiei var. subbipinnatum Tagawa | Synonym |  | TRO | 
	
		| Polystichum × eberlei D.E.Mey. | Unresolved |  | IPNI | 
	
		| Polystichum echinatum (J.F. Gmel.) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum edanioi Copel. | Unresolved |  | IPNI | 
	
		| Polystichum effusum (Sw.) Keyserl. | Synonym |  | TRO | 
	
		| Polystichum elegans Remy; Fee | Unresolved |  | IPNI | 
	
		| Polystichum elegans J.Rémy | Unresolved |  | IPNI | 
	
		| Polystichum elegantissimum Ching | Unresolved |  | TRO | 
	
		| Polystichum elevatovenusum Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum ellipticum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum elmeri Copel. | Unresolved |  | TRO | 
	
		| Polystichum emarginatum (Willd.) T. Moore | Accepted |  | TRO | 
	
		| Polystichum erinaceum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum eriorachis Alderw. | Unresolved |  | IPNI | 
	
		| Polystichum erosum Ching | Accepted |  | TRO | 
	
		| Polystichum erythrosorum A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum esquirolii | Unresolved |  | IPNI | 
	
		| Polystichum exauriforme H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum excelcior Ching & Z.Y.Liu | Unresolved |  | IPNI | 
	
		| Polystichum excellens Ching | Accepted |  | TRO | 
	
		| Polystichum excelsius Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum eximium (Mett. ex Kuhn) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum eximium var. minus Tagawa | Synonym |  | TRO | 
	
		| Polystichum faberi H. Christ | Synonym |  | TRO | 
	
		| Polystichum falcatilobum Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum falcatipinnum Hayata | Unresolved |  | TRO | 
	
		| Polystichum falcatum (L. f.) Diels | Synonym |  | TRO | 
	
		| Polystichum falcatum f. acuminatum Diels | Synonym |  | TRO | 
	
		| Polystichum falcatum f. acutidens (H. Christ) Nakai | Synonym |  | TRO | 
	
		| Polystichum falcatum var. caryotideum (Wall. ex Hook. & Grev.) Matsum. | Synonym |  | TRO | 
	
		| Polystichum falcatum var. fortunei (J. Sm.) Matsum. | Synonym |  | TRO | 
	
		| Polystichum falcatum var. genuinum (Makino) Matsum. | Unresolved |  | TRO | 
	
		| Polystichum falcatum f. intermedium Diels | Synonym |  | TRO | 
	
		| Polystichum falcatum var. macrophyllum (Makino) Matsum. | Synonym |  | TRO | 
	
		| Polystichum falcatum f. macropterum Diels | Synonym |  | TRO | 
	
		| Polystichum falcatum f. polypterum Diels | Synonym |  | TRO | 
	
		| Polystichum falciculatum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum falcilobum Ching | Synonym |  | TRO | 
	
		| Polystichum falcinellum C. Presl | Unresolved |  | TRO | 
	
		| Polystichum fallax Tindale | Unresolved |  | TRO | 
	
		| Polystichum faucicola M. Kessler & Lehnert | Unresolved |  | TRO | 
	
		| Polystichum fengjieense S.F. Wu | Unresolved |  | TRO | 
	
		| Polystichum fibrilloso-paleaceum (Kodama) Tagawa | Accepted |  | TRO | 
	
		| Polystichum fibrillosum Ching | Synonym |  | TRO | 
	
		| Polystichum filiorum Mickel | Unresolved |  | IPNI | 
	
		| Polystichum filix-mas (L.) Roth | Synonym |  | TRO | 
	
		| Polystichum fimbriatum H. Christ | Accepted |  | TRO | 
	
		| Polystichum fimbriatum C. Presl | Synonym |  | TRO | 
	
		| Polystichum flaccidum Alderw. | Unresolved |  | IPNI | 
	
		| Polystichum flagellare (Makino) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum flavidum Rosenst. | Unresolved |  | TRO | 
	
		| Polystichum × flemingii Fraser-Jenk. | Unresolved |  | IPNI | 
	
		| Polystichum flexum Gay | Unresolved |  | IPNI | 
	
		| Polystichum foeniculaceum (Hook.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum foenisecii P.Fourn. | Unresolved |  | IPNI | 
	
		| Polystichum × fominii Askerov & A.E. Bobrov | Unresolved |  | TRO | 
	
		| Polystichum formosanum Rosenst. | Accepted |  | TRO | 
	
		| Polystichum formosissimum Goldm. | Unresolved |  | IPNI | 
	
		| Polystichum fortunei (J. Sm.) Nakai | Synonym |  | TRO | 
	
		| Polystichum fournieri A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum fragile Watts | Synonym |  | TRO | 
	
		| Polystichum fragrans (L.) Ledeb. | Accepted |  | TRO | 
	
		| Polystichum franchetii H. Christ | Synonym |  | TRO | 
	
		| Polystichum fraxinellum (H. Christ) Diels | Synonym |  | TRO | 
	
		| Polystichum frigidicola H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum frondosum J.Sm. | Unresolved |  | IPNI | 
	
		| Polystichum fuentesii Esp. Bustos | Unresolved |  | TRO | 
	
		| Polystichum fugongense Ching & W.M. Chu ex H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum × fujisanense Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum fukuyamae Tagawa | Synonym |  | TRO | 
	
		| Polystichum furfuraceum A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum fuscipes C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum fuscopaleaceum Alston | Synonym |  | TRO | 
	
		| Polystichum fuscum Copel. | Unresolved |  | IPNI | 
	
		| Polystichum garhwalicum N.C. Nair & Nag | Synonym |  | TRO | 
	
		| Polystichum gelidum (Kunze ex Klotzsch) Fée | Synonym |  | TRO | 
	
		| Polystichum gemmiferum Tagawa | Synonym |  | TRO | 
	
		| Polystichum × gemmilachenense Miyam. & T. Nakam. | Unresolved |  | TRO | 
	
		| Polystichum gemmiparum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum giganteum M. Kessler & A.R. Sm. | Synonym |  | TRO | 
	
		| Polystichum giganteum Fée | Accepted |  | TRO | 
	
		| Polystichum glaciale H. Christ | Synonym |  | TRO | 
	
		| Polystichum glandiipinnum Tagawa | Synonym |  | TRO | 
	
		| Polystichum glandulosum C. Presl | Synonym |  | TRO | 
	
		| Polystichum glingense Ching & Y.X. Ling | Synonym |  | TRO | 
	
		| Polystichum globisorum Hayata | Synonym |  | TRO | 
	
		| Polystichum goggilodus Gaudich. | Synonym |  | TRO | 
	
		| Polystichum goldieanum Keys. | Unresolved |  | IPNI | 
	
		| Polystichum gongboense Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum gongylodes Gaudich. | Unresolved |  | TRO | 
	
		| Polystichum gracilipes C. Chr. | Synonym |  | TRO | 
	
		| Polystichum gracilipes var. gemmiferum Tagawa | Synonym |  | TRO | 
	
		| Polystichum grande Fée | Synonym |  | TRO | 
	
		| Polystichum grandifrons C. Chr. | Accepted |  | TRO | 
	
		| Polystichum grevilleanum C. Presl | Unresolved |  | TRO | 
	
		| Polystichum grossidentatum Ching | Synonym |  | TRO | 
	
		| Polystichum guadalupense Fée | Unresolved |  | IPNI | 
	
		| Polystichum guangxiense W.M. Chu & H.G. Zhou | Accepted |  | TRO | 
	
		| Polystichum guianense (Klotzsch) C. Presl | Unresolved |  | TRO | 
	
		| Polystichum gyirongense Ching | Synonym |  | TRO | 
	
		| Polystichum gymnocarpium Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum gymnogrammoides Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum habaense Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum habbemense Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum haenkeanum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum × hagenahii Cody | Unresolved |  | IPNI | 
	
		| Polystichum hainanense C. Chr. | Unresolved |  | TRO | 
	
		| Polystichum × hakonense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum haleakalense Brack. | Unresolved |  | TRO | 
	
		| Polystichum hamiltonii T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum hancockii (Hance) Diels | Accepted |  | TRO | 
	
		| Polystichum hancockii var. leptopteron (Hayata) Suzuki | Synonym |  | TRO | 
	
		| Polystichum harpophyllum (Zenker ex Kunze) Sledge | Accepted |  | TRO | 
	
		| Polystichum harrisii Maxon | Unresolved |  | TRO | 
	
		| Polystichum hartwegii (Klotzsch) Hieron. | Accepted |  | TRO | 
	
		| Polystichum hecatopterum Diels | Accepted |  | TRO | 
	
		| Polystichum hecatopterum var. marginale H. Christ | Synonym |  | TRO | 
	
		| Polystichum henryi H. Christ | Synonym |  | TRO | 
	
		| Polystichum herbaceum Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum heterodon (Schrad.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum heterolepis Fée | Unresolved |  | IPNI | 
	
		| Polystichum heteropaleaceum N.C. Nair & Nag | Synonym |  | TRO | 
	
		| Polystichum hillebrandii Carruth. | Unresolved |  | TRO | 
	
		| Polystichum himalayense (C. Chr.) Ching | Synonym |  | TRO | 
	
		| Polystichum hirsutulum (G. Forst.) Bernh. | Synonym |  | TRO | 
	
		| Polystichum hispidum J.Sm. | Unresolved |  | IPNI | 
	
		| Polystichum × hitoyoshiense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum × hokurikuense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum hololepis Hayata | Synonym |  | TRO | 
	
		| Polystichum hololepis var. hikonense H. Itô | Synonym |  | TRO | 
	
		| Polystichum holttumii C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum hookerianum (C. Presl) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum horizontale C. Presl | Unresolved |  | TRO | 
	
		| Polystichum horridipinnum Hayata | Synonym |  | TRO | 
	
		| Polystichum hottense C. Chr. | Unresolved |  | TRO | 
	
		| Polystichum houchangense Ching ex P.S. Wang | Accepted |  | TRO | 
	
		| Polystichum huae H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum hunanense Ching | Unresolved |  | TRO | 
	
		| Polystichum ichangense H. Christ | Accepted |  | TRO | 
	
		| Polystichum igaense Tagawa | Unresolved |  | TRO | 
	
		| Polystichum ilicifolium (D. Don) T. Moore | Synonym |  | TRO | 
	
		| Polystichum ilicifolium var. delavayi H. Christ | Synonym |  | TRO | 
	
		| Polystichum × illiricum Hahne | Accepted |  | TRO | 
	
		| Polystichum imbricans (D.C. Eaton) D.H. Wagner | Accepted |  | TRO | 
	
		| Polystichum imbricans subsp. curtum (Ewan) D.H. Wagner | Accepted |  | TRO | 
	
		| Polystichum imbricans subsp. imbricans | Accepted |  | TRO | 
	
		| Polystichum inadae Kurata | Unresolved |  | IPNI | 
	
		| Polystichum inaense (Tagawa) Tagawa | Accepted |  | TRO | 
	
		| Polystichum inaequale Keys. | Unresolved |  | IPNI | 
	
		| Polystichum × inayatii Fraser-Jenk. | Unresolved |  | IPNI | 
	
		| Polystichum incisopinnulum H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum incisum Fée | Unresolved |  | IPNI | 
	
		| Polystichum incongruum J.P. Roux | Unresolved |  | TRO | 
	
		| Polystichum indicum Khullar & S.C. Gupta | Synonym |  | TRO | 
	
		| Polystichum indochinense Tardieu & C. Chr. | Synonym |  | TRO | 
	
		| Polystichum inerme Fée | Synonym |  | TRO | 
	
		| Polystichum integrilimbum Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum integrilobum (Ching ex Y.T. Hsieh) W.M. Chu ex H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum integripinnulum Ching | Synonym |  | TRO | 
	
		| Polystichum integripinnum Hayata | Synonym |  | TRO | 
	
		| Polystichum intermedium Keys. | Unresolved |  | IPNI | 
	
		| Polystichum iriomotense Tagawa | Synonym |  | TRO | 
	
		| Polystichum × izuense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum × jamunae Fraser-Jenk. | Unresolved |  | IPNI | 
	
		| Polystichum japonicum Diels | Unresolved |  | IPNI | 
	
		| Polystichum jenningsii Hopkins | Synonym |  | TRO | 
	
		| Polystichum jinfoshanense Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum × jitaroi Kurata | Unresolved |  | IPNI | 
	
		| Polystichum jiucaipingense P.S. Wang & Q. Luo | Unresolved |  | TRO | 
	
		| Polystichum jiulaodongense W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum jizhushanense Ching | Synonym |  | TRO | 
	
		| Polystichum juglandifolium (Humb. & Bonpl. ex Willd.) Diels | Synonym |  | TRO | 
	
		| Polystichum kadyrovii Askerov & A.E. Bobrov | Unresolved |  | TRO | 
	
		| Polystichum × kai-montanum Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum kalambatitrense Tardieu | Unresolved |  | TRO | 
	
		| Polystichum kamtschaticum Fomin | Unresolved |  | IPNI | 
	
		| Polystichum kangdingense H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum × kasayamense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum kathmanduense Nakaike | Synonym |  | TRO | 
	
		| Polystichum keysserianum Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum kilimanjaricum Pic.Serm. | Unresolved |  | IPNI | 
	
		| Polystichum killipii Maxon | Unresolved |  | TRO | 
	
		| Polystichum kinabaluense C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum kingii Watts | Unresolved |  | IPNI | 
	
		| Polystichum kiusiuense Tagawa | Synonym |  | TRO | 
	
		| Polystichum × kiyozumianum Kurata | Unresolved |  | IPNI | 
	
		| Polystichum kodamae Tagawa | Synonym |  | TRO | 
	
		| Polystichum kruckebergii W.H. Wagner | Unresolved |  | TRO | 
	
		| Polystichum krugii Maxon | Unresolved |  | TRO | 
	
		| Polystichum × kumamontanum Kurata | Unresolved |  | IPNI | 
	
		| Polystichum × kunioi Kurata | Unresolved |  | IPNI | 
	
		| Polystichum kunthianum B.K. Nayar & Geev. | Unresolved |  | TRO | 
	
		| Polystichum × kuratae Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum kurokawae Tagawa | Unresolved |  | IPNI | 
	
		| Polystichum kwakiutlii D.H. Wagner | Unresolved |  | TRO | 
	
		| Polystichum kwangtungense Ching | Accepted |  | TRO | 
	
		| Polystichum lacerum H. Christ | Synonym |  | TRO | 
	
		| Polystichum lachenense (Hook.) Bedd. | Accepted |  | TRO | 
	
		| Polystichum lanceolatum Baker | Accepted |  | TRO | 
	
		| Polystichum lancilobum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum langchungense Ching ex H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum laniceps Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum lanosum Fée | Unresolved |  | IPNI | 
	
		| Polystichum lanuginosum Keys. | Unresolved |  | IPNI | 
	
		| Polystichum laserpitiifolium J.Sm. | Unresolved |  | IPNI | 
	
		| Polystichum lastreoides Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum latilepis Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum laxum Wawra | Unresolved |  | IPNI | 
	
		| Polystichum lehmannii Hieron. | Accepted |  | TRO | 
	
		| Polystichum lemmonii Underw. | Synonym |  | TRO | 
	
		| Polystichum lentum (D. Don) T. Moore | Accepted |  | TRO | 
	
		| Polystichum lentum var. gelida Rosenst. | Synonym |  | TRO | 
	
		| Polystichum lepidocaulon (Hook.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum lepidocaulon (Hook.) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum lepidomanes Fée | Unresolved |  | IPNI | 
	
		| Polystichum lepidotum Sundue & M. Kessler | Unresolved |  | TRO | 
	
		| Polystichum leptopteron Hayata | Synonym |  | TRO | 
	
		| Polystichum × lesliei Rumsey & Acock | Unresolved |  | IPNI | 
	
		| Polystichum leucochlamys H. Christ | Synonym |  | TRO | 
	
		| Polystichum leveillei C. Chr. | Accepted |  | TRO | 
	
		| Polystichum levingei C. Hope ex H. Christ | Unresolved |  | TRO | 
	
		| Polystichum levingei N.C. Nair | Unresolved |  | TRO | 
	
		| Polystichum lhasaense Ching | Synonym |  | TRO | 
	
		| Polystichum lichiangense (C.H. Wright) Ching ex H.S. Kung | Synonym |  | TRO | 
	
		| Polystichum lilianiae Barrington | Unresolved |  | TRO | 
	
		| Polystichum lindseaefolium Scort. | Unresolved |  | IPNI | 
	
		| Polystichum lineare Copel. | Unresolved |  | IPNI | 
	
		| Polystichum liuii Ching | Accepted |  | TRO | 
	
		| Polystichum lobatopinnulum Ching, Boufford & Shing in B. M. Barthol. et al. | Synonym |  | TRO | 
	
		| Polystichum lobatum Bast. | Synonym |  | TRO | 
	
		| Polystichum lobatum (Huds.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum lobatum var. aristatum (G. Forst.) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum lobatum var. chinense H. Christ | Synonym |  | TRO | 
	
		| Polystichum lobatum var. discretum (D. Don) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum lobatum x angulare Fomin | Unresolved |  | IPNI | 
	
		| Polystichum lobatum x braunii Fomin | Unresolved |  | IPNI | 
	
		| Polystichum lobatum x lonchitis Murbeck | Unresolved |  | IPNI | 
	
		| Polystichum lobatum x munitum Christ | Unresolved |  | IPNI | 
	
		| Polystichum × lonchitiforme Becherer | Unresolved |  | IPNI | 
	
		| Polystichum lonchitis (L.) Roth | Accepted |  | TRO | 
	
		| Polystichum lonchitis var. scopulinum (D.C. Eaton) M.E. Jones | Synonym |  | TRO | 
	
		| Polystichum lonchitoides (H. Christ) Diels | Synonym |  | TRO | 
	
		| Polystichum longecuspis Fée | Unresolved |  | IPNI | 
	
		| Polystichum longiaristatum Ching, Boufford & Shing in B. M. Barthol. et al. | Accepted |  | TRO | 
	
		| Polystichum longidens Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum longipaleatum H. Christ | Accepted |  | TRO | 
	
		| Polystichum longipes Ching & S.K. Wu | Unresolved |  | TRO | 
	
		| Polystichum longipes Maxon | Unresolved |  | TRO | 
	
		| Polystichum longipinnulum N.C. Nair | Accepted |  | TRO | 
	
		| Polystichum longispinosum Ching | Accepted |  | TRO | 
	
		| Polystichum longissimum Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum longistipes Hayata | Synonym |  | TRO | 
	
		| Polystichum lonifrons Sa. Kurata | Unresolved |  | TRO | 
	
		| Polystichum lucidum Bech. | Synonym |  | TRO | 
	
		| Polystichum luctuosum (Kunze) T. Moore | Accepted |  | TRO | 
	
		| Polystichum × luerssenii Hahne | Accepted |  | TRO | 
	
		| Polystichum machaerophyllum Slosson | Unresolved |  | IPNI | 
	
		| Polystichum × machaerophyllum Sloss. | Unresolved |  | IPNI | 
	
		| Polystichum macleae Diels | Unresolved |  | TRO | 
	
		| Polystichum macleaii Diels | Unresolved |  | IPNI | 
	
		| Polystichum macrochlaenum Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum macrophyllum (Makino) Tagawa | Synonym |  | TRO | 
	
		| Polystichum macroporum J.Sm. | Unresolved |  | IPNI | 
	
		| Polystichum maderense Johns. | Unresolved |  | IPNI | 
	
		| Polystichum maevaranense Tardieu | Unresolved |  | TRO | 
	
		| Polystichum magnificum F.Ballard | Unresolved |  | IPNI | 
	
		| Polystichum makinoi (Tagawa) Tagawa | Accepted |  | TRO | 
	
		| Polystichum makinoi var. chuanzangense Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum manickamianum Benniamin, Fraser-Jenk. & Irudayaraj | Unresolved |  | TRO | 
	
		| Polystichum manmeiense (H. Christ) Nakaike | Accepted |  | TRO | 
	
		| Polystichum mannii Hope ex Fraser-Jenk. | Synonym |  | TRO | 
	
		| Polystichum marantae Roth | Unresolved |  | IPNI | 
	
		| Polystichum marginale Keys. | Unresolved |  | IPNI | 
	
		| Polystichum marginale Cody | Unresolved |  | IPNI | 
	
		| Polystichum marginatum (Wall.) Schott | Accepted |  | TRO | 
	
		| Polystichum marionense Alston & Schelpe | Unresolved |  | IPNI | 
	
		| Polystichum marquesense E.D. Br. | Unresolved |  | TRO | 
	
		| Polystichum martinii H. Christ | Accepted |  | TRO | 
	
		| Polystichum mashikoi Kurata | Unresolved |  | IPNI | 
	
		| Polystichum mauritianum Fée | Unresolved |  | IPNI | 
	
		| Polystichum maximowiczii (Baker) Diels | Synonym |  | TRO | 
	
		| Polystichum maximowiczii var. melanocaulon Hayata | Synonym |  | TRO | 
	
		| Polystichum maximum M. Kessler & A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum mayebarae Tagawa | Accepted |  | TRO | 
	
		| Polystichum mediocre Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum medogense Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum meeboldii Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum mehrae Fraser-Jenk. & Khullar | Accepted |  | TRO | 
	
		| Polystichum mehrae f. latifundus H.S. Kung & L.B. Zhang | Synonym |  | TRO | 
	
		| Polystichum meiguense Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum melanochlamys Diels | Unresolved |  | IPNI | 
	
		| Polystichum melanostictum (Kunze) Liebm. | Synonym |  | TRO | 
	
		| Polystichum melanostipes Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum meridionale Lojac. | Unresolved |  | IPNI | 
	
		| Polystichum mexiae Copel. | Synonym |  | TRO | 
	
		| Polystichum × meyeri Sleep & Reichst. | Unresolved |  | IPNI | 
	
		| Polystichum michelii H. Christ | Synonym |  | TRO | 
	
		| Polystichum mickelii A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum microchlamys (H. Christ) Matsum. | Accepted |  | TRO | 
	
		| Polystichum × microlepis Kurata | Unresolved |  | IPNI | 
	
		| Polystichum microsorium Fée | Unresolved |  | IPNI | 
	
		| Polystichum × midoriense T.Oka & S.Ohtani | Unresolved |  | IPNI | 
	
		| Polystichum × minamitanii S.Kurata ex Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum minusculum H. Christ | Synonym |  | TRO | 
	
		| Polystichum minutissimum L.B. Zhang & H. He | Unresolved |  | TRO | 
	
		| Polystichum × miuranum Kurata | Unresolved |  | IPNI | 
	
		| Polystichum miyajimense Kodama | Synonym |  | TRO | 
	
		| Polystichum miyasimense Kodama in Matsum. | Unresolved |  | IPNI | 
	
		| Polystichum mohrioides (Bory ex Willd.) C. Presl | Accepted |  | TRO | 
	
		| Polystichum mohrioides var. elegans C. Chr. | Synonym |  | TRO | 
	
		| Polystichum mohrioides var. lemmonii (Underw.) Fernald | Accepted |  | TRO | 
	
		| Polystichum mohrioides var. scopulinum (D.C. Eaton) Fernald | Synonym |  | TRO | 
	
		| Polystichum molle (Sw.) Gaudich. | Synonym |  | TRO | 
	
		| Polystichum molliculum H. Christ | Synonym |  | TRO | 
	
		| Polystichum mollissimum Ching | Accepted |  | TRO | 
	
		| Polystichum moluccense T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum monotis (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum montanum Roth | Unresolved |  | TRO | 
	
		| Polystichum montevidense (Spreng.) Rosenst. | Accepted |  | TRO | 
	
		| Polystichum montevidense var. nudicale (Rosenst.) R.M. Tryon | Synonym |  | TRO | 
	
		| Polystichum montevidense var. squamulosa Hieron. | Accepted |  | TRO | 
	
		| Polystichum monticola N.C. Anthony & Schelpe | Accepted |  | TRO | 
	
		| Polystichum moorei W.R.B.Oliv. | Unresolved |  | IPNI | 
	
		| Polystichum moorei Christ | Unresolved |  | IPNI | 
	
		| Polystichum morii Hayata | Accepted |  | TRO | 
	
		| Polystichum moritzianum (Klotzsch) Hieron. | Synonym |  | TRO | 
	
		| Polystichum moupinense (Franch.) Bedd. | Accepted |  | TRO | 
	
		| Polystichum moupinense (Franch.) H. Christ | Synonym |  | TRO | 
	
		| Polystichum mucronatum (Sw.) C. Presl | Accepted |  | TRO | 
	
		| Polystichum mucronifolium (Blume) C. Presl | Accepted |  | TRO | 
	
		| Polystichum muelleri Mett. ex E. Fourn. | Synonym |  | TRO | 
	
		| Polystichum muenchii (Christ) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum multifidum T. Moore | Accepted |  | TRO | 
	
		| Polystichum multifidum var. pearcei (Phil.) R. Rodr. | Accepted |  | TRO | 
	
		| Polystichum multiflorum Roth | Unresolved |  | IPNI | 
	
		| Polystichum munitum (Kaulf.) C. Presl | Accepted |  | TRO | 
	
		| Polystichum munitum subsp. curtum Ewan | Synonym |  | TRO | 
	
		| Polystichum munitum var. imbricans (D.C. Eaton) Maxon | Synonym |  | TRO | 
	
		| Polystichum munitum subsp. imbricans (D.C. Eaton) Munz | Synonym |  | TRO | 
	
		| Polystichum munitum var. incisoserratum (D.C. Eaton) Underw. | Synonym |  | TRO | 
	
		| Polystichum munitum subsp. nudatum (D.C. Eaton) Ewan | Synonym |  | TRO | 
	
		| Polystichum munitum var. nudatum (D.C. Eaton) Gilbert | Synonym |  | TRO | 
	
		| Polystichum munitum subsp. solitarium Maxon | Synonym |  | TRO | 
	
		| Polystichum munitum solitarium Maxon | Unresolved |  | IPNI | 
	
		| Polystichum muricatum (L.) Fée | Accepted |  | TRO | 
	
		| Polystichum muscicola Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum muticum Copel. | Unresolved |  | IPNI | 
	
		| Polystichum myer-dreesii Copel. | Unresolved |  | IPNI | 
	
		| Polystichum nahuelhuapiense Diem | Synonym |  | TRO | 
	
		| Polystichum × namegatae Kurata | Unresolved |  | IPNI | 
	
		| Polystichum nanchuanicum Ching | Unresolved |  | TRO | 
	
		| Polystichum nanchurnicum Ching | Unresolved |  | IPNI | 
	
		| Polystichum nanum H. Christ | Synonym |  | TRO | 
	
		| Polystichum napoleonis Keys. | Unresolved |  | IPNI | 
	
		| Polystichum nayongense P.S. Wang & X.Y. Wang | Accepted |  | TRO | 
	
		| Polystichum neolobatum Nakai | Accepted |  | TRO | 
	
		| Polystichum neolobatum var. brevipinnum Tagawa | Synonym |  | TRO | 
	
		| Polystichum neozelandicum Fée | Unresolved |  | IPNI | 
	
		| Polystichum nepalense (Spreng.) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum nepalense var. subbipinnatum C. Chr. | Synonym |  | TRO | 
	
		| Polystichum nepalense f. subbipinnatum Ching | Synonym |  | TRO | 
	
		| Polystichum nephrolepioides H. Christ | Synonym |  | TRO | 
	
		| Polystichum nervosum (Ching & K.H. Shing) C.M. Kuo | Synonym |  | TRO | 
	
		| Polystichum nigropaleaceum (H. Christ) Diels | Synonym |  | TRO | 
	
		| Polystichum nigrospinosum Ching | Synonym |  | TRO | 
	
		| Polystichum nigrum Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum niitakayamense Hayata | Synonym |  | TRO | 
	
		| Polystichum ningshenense Ching & Y.P. Hsu | Accepted |  | TRO | 
	
		| Polystichum nipponicum Rosenst. | Synonym |  | TRO | 
	
		| Polystichum nitens Fée | Unresolved |  | IPNI | 
	
		| Polystichum nudicaule Rosenst. | Accepted |  | TRO | 
	
		| Polystichum nudisorum Ching | Accepted |  | TRO | 
	
		| Polystichum nudum Copel. | Unresolved |  | IPNI | 
	
		| Polystichum nyalamense Ching | Synonym |  | TRO | 
	
		| Polystichum nymphale Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum obai Tagawa | Unresolved |  | TRO | 
	
		| Polystichum obliquum (D. Don) T. Moore | Accepted |  | TRO | 
	
		| Polystichum oblongum Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum obtusipinnum Ching & H.S. Kung | Synonym |  | TRO | 
	
		| Polystichum obtuso-auriculatum Hayata | Synonym |  | TRO | 
	
		| Polystichum ocellatum Schott | Unresolved |  | IPNI | 
	
		| Polystichum oculatum J.B.Armstr. | Unresolved |  | IPNI | 
	
		| Polystichum ohmurae Sa. Kurata | Unresolved |  | TRO | 
	
		| Polystichum × ohtanii Kurata | Unresolved |  | IPNI | 
	
		| Polystichum × okanum Kurata | Unresolved |  | IPNI | 
	
		| Polystichum oligocarpum Ching ex H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum omeiense C. Chr. | Accepted |  | TRO | 
	
		| Polystichum × ongataense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum opacum Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum oppositum Copel. | Unresolved |  | IPNI | 
	
		| Polystichum orbiculare Christ | Unresolved |  | IPNI | 
	
		| Polystichum orbiculatum (Desv.) J. Rémy & Fée | Accepted |  | TRO | 
	
		| Polystichum ordinatum (Kunze) Liebm. | Accepted |  | TRO | 
	
		| Polystichum oreodoxa Ching ex H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum oreopteris Bernh. | Synonym |  | TRO | 
	
		| Polystichum orientalitibeticum Ching | Accepted |  | TRO | 
	
		| Polystichum otomasui Sa. Kurata | Unresolved |  | TRO | 
	
		| Polystichum otophorum (Franch.) Bedd. | Accepted |  | TRO | 
	
		| Polystichum otophorum (Franch.) Diels | Unresolved |  | TRO | 
	
		| Polystichum ovatopaleaceum (Kodama) Sa. Kurata | Accepted |  | TRO | 
	
		| Polystichum ovatopaleaceum var. coraiense (H. Christ) Sa. Kurata | Synonym |  | TRO | 
	
		| Polystichum ovatopaleaceum f. myokoense (Sa. Kurata) Nakaike | Accepted |  | TRO | 
	
		| Polystichum ovatopaleaceum var. myokoense Sa. Kurata | Synonym |  | TRO | 
	
		| Polystichum pachyphyllum Rosenst. | Synonym |  | TRO | 
	
		| Polystichum pacificum Nakai | Synonym |  | TRO | 
	
		| Polystichum paleaceum (Borkh.) Schwarz | Accepted |  | TRO | 
	
		| Polystichum paleatum Copel. | Unresolved |  | TRO | 
	
		| Polystichum pallidum E. Fourn. | Synonym |  | TRO | 
	
		| Polystichum panigrahianum Sarn.Singh | Unresolved |  | IPNI | 
	
		| Polystichum papuanum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum papyrifolium Alderw. | Unresolved |  | IPNI | 
	
		| Polystichum paradeltodon L.L. Xiang | Accepted |  | TRO | 
	
		| Polystichum paradoxum Ching & Y.P. Hsu | Synonym |  | TRO | 
	
		| Polystichum parahancockii Ching | Synonym |  | TRO | 
	
		| Polystichum paramicola M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum paramoupinense Ching | Accepted |  | TRO | 
	
		| Polystichum parasinense Cheng-yuan Yang | Synonym |  | TRO | 
	
		| Polystichum parvifoliolatum W.M. Chu | Accepted |  | TRO | 
	
		| Polystichum parvipinnulum Tagawa | Accepted |  | TRO | 
	
		| Polystichum parvulum H. Christ | Synonym |  | TRO | 
	
		| Polystichum patens (Sw.) Bernh. | Synonym |  | TRO | 
	
		| Polystichum patentissimum Trevis | Unresolved |  | IPNI | 
	
		| Polystichum pauciaculeatum Bonap. | Accepted |  | TRO | 
	
		| Polystichum pearcei Phil. | Synonym |  | TRO | 
	
		| Polystichum peishanii L.B. Zhang & H. He | Unresolved |  | TRO | 
	
		| Polystichum pennigerum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum perangulare x lobatum Fomin | Unresolved |  | IPNI | 
	
		| Polystichum perelegans C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum pflanzii Hieron. | Unresolved |  | TRO | 
	
		| Polystichum phegopteris (L.) Roth | Synonym |  | TRO | 
	
		| Polystichum pianmaense W.M. Chu | Accepted |  | TRO | 
	
		| Polystichum piceopaleaceum Tagawa | Accepted |  | TRO | 
	
		| Polystichum pilosum Copel. | Unresolved |  | TRO | 
	
		| Polystichum pinfaense H. Christ | Synonym |  | TRO | 
	
		| Polystichum plaschnickianum (Kunze) T. Moore | Accepted |  | TRO | 
	
		| Polystichum platychlamys Ching | Synonym |  | TRO | 
	
		| Polystichum platylepis Fée | Unresolved |  | TRO | 
	
		| Polystichum platyphyllum (Willd.) C. Presl | Accepted |  | TRO | 
	
		| Polystichum platyphyllum (Willd.) E. Fourn. | Unresolved |  | TRO | 
	
		| Polystichum platypus Diels | Unresolved |  | IPNI | 
	
		| Polystichum plicatum Hicken ex Hosseus | Accepted |  | TRO | 
	
		| Polystichum plukenetii DC. | Unresolved |  | IPNI | 
	
		| Polystichum plumosissimum ht.Birkenh.; Gard. | Unresolved |  | IPNI | 
	
		| Polystichum plumula C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum polyblepharum (Roem. ex Kunze) C. Presl | Accepted |  | TRO | 
	
		| Polystichum polylepis PRESL | Unresolved |  | TRO | 
	
		| Polystichum polyodon Ching | Unresolved |  | IPNI | 
	
		| Polystichum polyphyllum (C. Presl) C. Presl | Synonym |  | TRO | 
	
		| Polystichum polysorum Tod. | Synonym |  | TRO | 
	
		| Polystichum polystichiforme (Fée) Maxon | Accepted |  | TRO | 
	
		| Polystichum polystichiformis Maxon | Unresolved |  | IPNI | 
	
		| Polystichum × potteri Barrington | Unresolved |  | TRO | 
	
		| Polystichum praelongum H. Christ | Synonym |  | TRO | 
	
		| Polystichum prescottianum (Wall. ex Mett.) T. Moore | Accepted |  | TRO | 
	
		| Polystichum prescottianum var. bakerianum (Atk. ex C.B. Clarke) Bedd. | Synonym |  | TRO | 
	
		| Polystichum prescottianum var. castaneum (C.B. Clarke) Bedd. | Synonym |  | TRO | 
	
		| Polystichum prescottianum var. moupinense (Franch.) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum prescottianum var. shensiense (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum prescottianum var. wilsoni (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum presliana (J. Sm.) T. Moore | Synonym |  | TRO | 
	
		| Polystichum prionolepis Hayata | Accepted |  | TRO | 
	
		| Polystichum proliferum C. Presl | Unresolved |  | TRO | 
	
		| Polystichum propinquum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum × pseudo-ovatopaleaceum Akasawa | Unresolved |  | IPNI | 
	
		| Polystichum pseudo-xiphophyllum Ching ex H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum pseudoacutidens Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum pseudoaristatum Tagawa | Synonym |  | TRO | 
	
		| Polystichum pseudoaristatum var. acutum Tagawa | Synonym |  | TRO | 
	
		| Polystichum × pseudobraunii Fraser-Jenk. | Unresolved |  | TRO | 
	
		| Polystichum pseudocastaneum Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum pseudocristatum Schur | Unresolved |  | IPNI | 
	
		| Polystichum pseudodeltodon Tagawa | Synonym |  | TRO | 
	
		| Polystichum pseudolanceolatum Ching ex P.S.Wang | Unresolved |  | IPNI | 
	
		| Polystichum × pseudolentum Fraser-Jenk. | Unresolved |  | IPNI | 
	
		| Polystichum pseudomakinoi Tagawa | Accepted |  | TRO | 
	
		| Polystichum pseudomakinoi var. ambiguum Tagawa | Synonym |  | TRO | 
	
		| Polystichum pseudomaximowiczii Hayata | Synonym |  | TRO | 
	
		| Polystichum pseudomicrophyllum Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum × pseudoparvipinnulum Miyam. & T.Nakamura | Unresolved |  | IPNI | 
	
		| Polystichum pseudorhomboideum H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum × pseudosemifertile Nakaike & V.L.Gurung | Unresolved |  | IPNI | 
	
		| Polystichum pseudosetosum Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum pseudostenophyllum Tagawa | Synonym |  | TRO | 
	
		| Polystichum pseudotsussimense Ching | Unresolved |  | TRO | 
	
		| Polystichum pulchellum T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum pullenii Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum pulogense Copel. | Unresolved |  | IPNI | 
	
		| Polystichum pumilio Maxon | Unresolved |  | IPNI | 
	
		| Polystichum pumilis Maxon | Unresolved |  | TRO | 
	
		| Polystichum puncticulatum Alderw. | Synonym |  | TRO | 
	
		| Polystichum punctiferum C. Chr. | Accepted |  | TRO | 
	
		| Polystichum pungens (Kaulf.) PRESL | Accepted |  | TRO | 
	
		| Polystichum puteicola L.B. Zhang, H. He & Q. Luo | Unresolved |  | TRO | 
	
		| Polystichum pycnolepis (Kunze ex Klotzsch) T. Moore | Synonym |  | TRO | 
	
		| Polystichum pycnopterum (H. Christ) Ching ex W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum pygmaeum Copel. | Synonym |  | TRO | 
	
		| Polystichum qamdoense Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum qamdoense var. elongatum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum quadrangulare Fée | Unresolved |  | IPNI | 
	
		| Polystichum rachichlaena Fée | Accepted |  | TRO | 
	
		| Polystichum radicans C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum rapense E.Brown | Unresolved |  | IPNI | 
	
		| Polystichum rarum Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum rectipinnum Hayata | Synonym |  | TRO | 
	
		| Polystichum recurvum Gandog. | Unresolved |  | IPNI | 
	
		| Polystichum remotum Fée | Unresolved |  | TRO | 
	
		| Polystichum retrosopaleaceum (Kodama) Tagawa | Accepted |  | TRO | 
	
		| Polystichum retrosopaleaceum var. coraiense (H. Christ) Tagawa | Synonym |  | TRO | 
	
		| Polystichum retrosopaleaceum var. ovatopaleaceum (Kodama) Tagawa | Synonym |  | TRO | 
	
		| Polystichum revolutum P.S.Wang | Unresolved |  | IPNI | 
	
		| Polystichum rhizophorum (Jenman) Maxon | Accepted |  | TRO | 
	
		| Polystichum rhizophyllum (Sw.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum rhombiforme Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum rhomboideum Schott | Synonym |  | TRO | 
	
		| Polystichum richardii J.Sm. | Unresolved |  | IPNI | 
	
		| Polystichum riedleanum Gaudich. | Unresolved |  | IPNI | 
	
		| Polystichum rigens Tagawa | Accepted |  | TRO | 
	
		| Polystichum rigidum C. Chr. | Unresolved |  | TRO | 
	
		| Polystichum riparium C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum robustum Ching | Accepted |  | TRO | 
	
		| Polystichum rochaleanum Glaz.; Fee | Unresolved |  | IPNI | 
	
		| Polystichum rochaleanum Glaz. | Unresolved |  | IPNI | 
	
		| Polystichum rochefordii Hort. | Unresolved |  | IPNI | 
	
		| Polystichum rufescens T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum rufobarbatum (Wall.) Schott | Accepted |  | TRO | 
	
		| Polystichum rufopaleaceum Ching | Accepted |  | TRO | 
	
		| Polystichum rufum M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum rupicola Ching ex W.M. Chu | Accepted |  | TRO | 
	
		| Polystichum sacrosanctum (Koidz.) Koidz. | Synonym |  | TRO | 
	
		| Polystichum × safarovii Askerov & A.E. Bobrov | Unresolved |  | TRO | 
	
		| Polystichum salwinense Ching & H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum × sarukurense Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum saxicola Ching | Accepted |  | TRO | 
	
		| Polystichum scariosum C.V.Morton | Unresolved |  | IPNI | 
	
		| Polystichum schimperianum Keys. | Unresolved |  | IPNI | 
	
		| Polystichum schizolobium Fée | Unresolved |  | IPNI | 
	
		| Polystichum schizophyllum Lorea-Hern. & A.R. Sm. | Accepted |  | TRO | 
	
		| Polystichum schkuhrii C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum scopulinum (D.C. Eaton) Maxon | Accepted |  | TRO | 
	
		| Polystichum seemannii (Hook.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum sellowianum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum semicordatum (Sw.) T. Moore | Synonym |  | TRO | 
	
		| Polystichum semifertile (C.B. Clarke) Ching | Accepted |  | TRO | 
	
		| Polystichum setiferum (Forssk.) Moore ex Woyn. | Accepted |  | TRO | 
	
		| Polystichum setiferum var. crenatum N.C. Nair | Synonym |  | TRO | 
	
		| Polystichum setiferum var. fargesii (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum setiferum var. fuscopaleaceum (Alston) Schelpe | Synonym |  | TRO | 
	
		| Polystichum setiferum var. nigropaleaceum (H. Christ) Sledge | Synonym |  | TRO | 
	
		| Polystichum setigerum (C. Presl) C. Presl | Accepted |  | TRO | 
	
		| Polystichum setillosum Ching | Accepted |  | TRO | 
	
		| Polystichum setosum (Wall.) Schott | Accepted |  | TRO | 
	
		| Polystichum setosum (C.B. Clarke) Khullar & S.C. Gupta | Synonym |  | TRO | 
	
		| Polystichum shandongense J.X. Li & Y. Wei | Accepted |  | TRO | 
	
		| Polystichum shennongense Ching, Boufford & Shing in B. M. Barthol. et al. | Synonym |  | TRO | 
	
		| Polystichum shensiense H. Christ | Accepted |  | TRO | 
	
		| Polystichum shimurae Kurata ex Seriz. | Accepted |  | TRO | 
	
		| Polystichum × shin-tashiroi Kurata | Unresolved |  | IPNI | 
	
		| Polystichum shizuokaense Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum sieberianum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum sieboldii Keys. | Unresolved |  | IPNI | 
	
		| Polystichum sikkimense Bedd. | Synonym |  | TRO | 
	
		| Polystichum silaense Ching | Accepted |  | TRO | 
	
		| Polystichum silvaticum Diels | Unresolved |  | IPNI | 
	
		| Polystichum × silviamontanum Miyam. & T. Nakam. | Unresolved |  | TRO | 
	
		| Polystichum simplicipinnum Hayata | Accepted |  | TRO | 
	
		| Polystichum simplicius (Makino) Tagawa | Synonym |  | TRO | 
	
		| Polystichum simplicius var. majus Tagawa | Synonym |  | TRO | 
	
		| Polystichum sinense (H. Christ) H. Christ | Accepted |  | TRO | 
	
		| Polystichum sinkiangense Ching ex Chang Y. Yang | Synonym |  | TRO | 
	
		| Polystichum sinotsussimense Ching & Z.Y. Liu | Accepted |  | TRO | 
	
		| Polystichum sloanei C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum smithii Mickel & Beitel | Synonym |  | TRO | 
	
		| Polystichum sodiroi H. Christ | Synonym |  | TRO | 
	
		| Polystichum solitarium (Maxon) Underw. ex Maxon | Synonym |  | TRO | 
	
		| Polystichum solomonii M. Kessler & A.R. Sm. | Unresolved |  | TRO | 
	
		| Polystichum soongae H.S. Kung & L.B. Zhang | Unresolved |  | TRO | 
	
		| Polystichum sozanense Ching ex H.S. Kung & L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum sparsum (D. Don) Keyserl. | Synonym |  | TRO | 
	
		| Polystichum speciosissimum (A. Braun ex Kunze) Copel. | Accepted |  | TRO | 
	
		| Polystichum speciosissimum (A. Braun ex Kunze) R.M. Tryon & A.F. Tryon | Unresolved |  | TRO | 
	
		| Polystichum speciosum (D. Don) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum speluncicola L.B. Zhang & H. He | Unresolved |  | TRO | 
	
		| Polystichum spinescens Tagawa | Synonym |  | TRO | 
	
		| Polystichum spinosum Roth | Synonym |  | TRO | 
	
		| Polystichum spinulosum DC. | Unresolved |  | TRO | 
	
		| Polystichum spinulosum Roth | Unresolved |  | TRO | 
	
		| Polystichum spinulosum x cristatum Sanio | Unresolved |  | IPNI | 
	
		| Polystichum spinulosum x dilatatum Sanio | Unresolved |  | IPNI | 
	
		| Polystichum spongiosum Maxon | Unresolved |  | IPNI | 
	
		| Polystichum squamatum Lodd. | Unresolved |  | IPNI | 
	
		| Polystichum squarrosum (D. Don) Fée | Accepted |  | TRO | 
	
		| Polystichum squarrosum var. chinense (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum standishii C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum staudishii C. Chr. | Unresolved |  | TRO | 
	
		| Polystichum stenophyllum H. Christ | Accepted |  | TRO | 
	
		| Polystichum stenophyllum var. abbreviatum Tagawa | Synonym |  | TRO | 
	
		| Polystichum stenophyllum var. conaense (Ching & S.K. Wu) W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum stenopteris (Kunze) T. Moore | Synonym |  | TRO | 
	
		| Polystichum × stewartii Fraser-Jenk. | Unresolved |  | IPNI | 
	
		| Polystichum stimulans (Kunze ex Mett.) Bedd. | Accepted |  | TRO | 
	
		| Polystichum stimulans var. delavayi (H. Christ) H.S. Kung | Synonym |  | TRO | 
	
		| Polystichum stipitatum Chauvin | Unresolved |  | IPNI | 
	
		| Polystichum stokesii E.Brown | Unresolved |  | IPNI | 
	
		| Polystichum stramineum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum strigosum Roth | Unresolved |  | IPNI | 
	
		| Polystichum struthionis Maxon | Unresolved |  | TRO | 
	
		| Polystichum stuebelii Hieron. | Accepted |  | TRO | 
	
		| Polystichum subacutidens Ching ex L.L. Xiang | Accepted |  | TRO | 
	
		| Polystichum × subalpinum P.Fourn. | Unresolved |  | IPNI | 
	
		| Polystichum subapiciflorum Hayata | Synonym |  | TRO | 
	
		| Polystichum subattenuatum Ching & W.M. Chu | Synonym |  | TRO | 
	
		| Polystichum subauriculatum Tagawa | Synonym |  | TRO | 
	
		| Polystichum subbipinnatum Kodama ex Nakai | Unresolved |  | TRO | 
	
		| Polystichum subdeltodon Ching | Accepted |  | TRO | 
	
		| Polystichum subfimbriatum W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum subinerme Fraser-Jenk. | Unresolved |  | TRO | 
	
		| Polystichum subintegerrimum (Hook. & Arn.) Barrington | Accepted |  | TRO | 
	
		| Polystichum sublentum Sarn.Singh & Panigrahi | Unresolved |  | IPNI | 
	
		| Polystichum submarginale (Baker) Ching ex L.L. Xiang | Unresolved |  | TRO | 
	
		| Polystichum submarginale (Baker) Ching ex P.S. Wang | Accepted |  | TRO | 
	
		| Polystichum submite (H. Christ) Diels | Accepted |  | TRO | 
	
		| Polystichum subobliquum Tagawa | Synonym |  | TRO | 
	
		| Polystichum subquinquefidum Keys. | Unresolved |  | IPNI | 
	
		| Polystichum subsetiferum Ching | Unresolved |  | TRO | 
	
		| Polystichum subtripteron Tzvelev | Unresolved |  | IPNI | 
	
		| Polystichum subulatum Ching ex L.B. Zhang | Accepted |  | TRO | 
	
		| Polystichum × suginoi Kurata | Unresolved |  | IPNI | 
	
		| Polystichum × suyamanum S.Kurata ex Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum tachiroanum (Luerss.) Tagawa | Synonym |  | TRO | 
	
		| Polystichum tacticopterum (Kunze) T. Moore | Accepted |  | TRO | 
	
		| Polystichum tagawanum Sa. Kurata | Unresolved |  | TRO | 
	
		| Polystichum tagawanum var. atrosquamatum Sa. Kurata | Synonym |  | TRO | 
	
		| Polystichum tagawanum f. atrosquamatum (Sa. Kurata) Nakaike | Unresolved |  | TRO | 
	
		| Polystichum taiwanense (Tagawa) C.M. Kuo | Accepted |  | TRO | 
	
		| Polystichum taizhongense H.S. Kung | Accepted |  | TRO | 
	
		| Polystichum takakii Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum × takaosanense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum talamancanum Barrington | Accepted |  | TRO | 
	
		| Polystichum tanacetifolium Lam. & DC. | Unresolved |  | IPNI | 
	
		| Polystichum tangmaiense H.S. Kung & Tateishi | Accepted |  | TRO | 
	
		| Polystichum × tare-bhirense Nakaike & V.L.Gurung | Unresolved |  | IPNI | 
	
		| Polystichum tenggerense Rosenst. | Unresolved |  | IPNI | 
	
		| Polystichum tenue Gilbert | Unresolved |  | TRO | 
	
		| Polystichum tetragonum Fée | Accepted |  | TRO | 
	
		| Polystichum × tetsuyamense S.Kurata ex Seriz. | Unresolved |  | IPNI | 
	
		| Polystichum thelypteris (L.) Roth | Synonym |  | TRO | 
	
		| Polystichum thomsonii (Hook. f.) Bedd. | Accepted |  | TRO | 
	
		| Polystichum thunbergii Koidz. | Unresolved |  | TRO | 
	
		| Polystichum tialooshanense Ching | Synonym |  | TRO | 
	
		| Polystichum tibeticum Ching | Accepted |  | TRO | 
	
		| Polystichum tijucense Fée | Accepted |  | TRO | 
	
		| Polystichum × titibuense Kurata | Unresolved |  | IPNI | 
	
		| Polystichum tonkinense (H. Christ) W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum torresianum Gaudich. | Synonym |  | TRO | 
	
		| Polystichum tortuosum Nakaike | Unresolved |  | IPNI | 
	
		| Polystichum tosaense (Makino) Makino | Synonym |  | TRO | 
	
		| Polystichum transkeiense N. Jacobsen | Unresolved |  | TRO | 
	
		| Polystichum transmorrisonensis Hayata | Synonym |  | TRO | 
	
		| Polystichum transvaalense N.C. Anthony | Unresolved |  | TRO | 
	
		| Polystichum trapezoides (Sw.) C. Presl | Accepted |  | TRO | 
	
		| Polystichum trejoi (Christ) H. Christ | Synonym |  | TRO | 
	
		| Polystichum triangulum (L.) Fée | Accepted |  | TRO | 
	
		| Polystichum tridens (T. Moore ex Hook.) Fée | Synonym |  | TRO | 
	
		| Polystichum trifoliatum Roth | Unresolved |  | IPNI | 
	
		| Polystichum tripinnatum Goldm. | Synonym |  | TRO | 
	
		| Polystichum tripteron (Kunze) C. Presl | Accepted |  | TRO | 
	
		| Polystichum tripteron f. simplicissimum (Tagawa) Tagawa | Accepted |  | TRO | 
	
		| Polystichum tripteron var. simplicissimum Tagawa | Synonym |  | TRO | 
	
		| Polystichum tripteron f. subbipinnatum H. Itô | Synonym |  | TRO | 
	
		| Polystichum truncatulum Alderw. | Unresolved |  | IPNI | 
	
		| Polystichum truncatum (Poir.) Gaudich. | Synonym |  | TRO | 
	
		| Polystichum tsaratananense Tardieu | Unresolved |  | TRO | 
	
		| Polystichum tsingkanshanense Ching | Accepted |  | TRO | 
	
		| Polystichum tsuchuense Ching | Synonym |  | TRO | 
	
		| Polystichum tsus-simense (Hook.) J. Sm. | Synonym |  | TRO | 
	
		| Polystichum tsus-simense (Hook.) Diels | Synonym |  | TRO | 
	
		| Polystichum tsus-simense (Hook.) H. Christ | Accepted |  | TRO | 
	
		| Polystichum tsus-simense var. mayebarae (Tagawa) Sa. Kurata | Synonym |  | TRO | 
	
		| Polystichum tsus-simense var. pallescens Franch. | Synonym |  | TRO | 
	
		| Polystichum tumbatzense Ching | Synonym |  | TRO | 
	
		| Polystichum turrialbae Christ | Accepted |  | TRO | 
	
		| Polystichum × uliginosum P.Fourn. | Unresolved |  | IPNI | 
	
		| Polystichum underwoodii Maxon | Unresolved |  | TRO | 
	
		| Polystichum ursipes Hayata | Unresolved |  | IPNI | 
	
		| Polystichum × utsumii Kurata | Unresolved |  | IPNI | 
	
		| Polystichum variiforme (Hayata) Tagawa | Synonym |  | TRO | 
	
		| Polystichum varium (L.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum varium var. eurylepidota Rosenst. | Synonym |  | TRO | 
	
		| Polystichum varium var. subtripinnatum (Franch. & Sav.) Nakai | Synonym |  | TRO | 
	
		| Polystichum venustum Hombr. & Jacq. | Unresolved |  | IPNI | 
	
		| Polystichum vestitum (Sw.) C. Presl | Synonym |  | TRO | 
	
		| Polystichum virescens Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum viscidulum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum vittatum (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum viviparum Fée | Unresolved |  | IPNI | 
	
		| Polystichum volkensii C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum vulcanicum T.Moore | Unresolved |  | IPNI | 
	
		| Polystichum walkerae Sledge | Unresolved |  | IPNI | 
	
		| Polystichum wallichianum C.Presl | Unresolved |  | IPNI | 
	
		| Polystichum wattii (Bedd.) C. Chr. | Accepted |  | TRO | 
	
		| Polystichum wawranum Perrie | Unresolved |  | IPNI | 
	
		| Polystichum webbianum C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum weimingii L.B.Zhang & H.He | Unresolved |  | IPNI | 
	
		| Polystichum whiteleggei Watts | Unresolved |  | TRO | 
	
		| Polystichum wilesianum Proctor | Unresolved |  | TRO | 
	
		| Polystichum wilsonii H. Christ | Accepted |  | TRO | 
	
		| Polystichum × wirtgenii Hahne | Unresolved |  | TRO | 
	
		| Polystichum wolfii Hieron. | Synonym |  | TRO | 
	
		| Polystichum wolfli Hieron. | Unresolved |  | IPNI | 
	
		| Polystichum woodsioides H. Christ | Synonym |  | TRO | 
	
		| Polystichum woronowii Fomin | Unresolved |  | TRO | 
	
		| Polystichum woronowii x lobatum Fomin in Kusn. & al. | Unresolved |  | IPNI | 
	
		| Polystichum wrightii C.Chr. | Unresolved |  | IPNI | 
	
		| Polystichum wulingshanense S.F. Wu | Synonym |  | TRO | 
	
		| Polystichum wuyishanense Ching & K.H. Shing | Synonym |  | TRO | 
	
		| Polystichum xichouense Ching & W.M. Chu | Unresolved |  | TRO | 
	
		| Polystichum xinjiangense Ching ex C.Y. Yang | Synonym |  | TRO | 
	
		| Polystichum xiphophyllum (Baker) Diels | Accepted |  | TRO | 
	
		| Polystichum xiphophyllum f. bipinnata Ching | Synonym |  | TRO | 
	
		| Polystichum yadongense Ching & S.K. Wu | Accepted |  | TRO | 
	
		| Polystichum yaeyamense (Makino) Makino | Accepted |  | TRO | 
	
		| Polystichum yigongense Ching & S.K. Wu | Synonym |  | TRO | 
	
		| Polystichum × yokohamense T.Oka & S.Ohtani | Unresolved |  | IPNI | 
	
		| Polystichum yoshinagae (Makino) Makino | Synonym |  | TRO | 
	
		| Polystichum yuanum Ching | Accepted |  | TRO | 
	
		| Polystichum yungense Rosenst. | Synonym |  | TRO | 
	
		| Polystichum yunnanense H. Christ | Accepted |  | TRO | 
	
		| Polystichum yunnanense var. fargesii (H. Christ) C. Chr. | Synonym |  | TRO | 
	
		| Polystichum yunnanense var. submuticum C. Chr. | Synonym |  | TRO | 
	
		| Polystichum zambesiacum Schelpe | Unresolved |  | TRO | 
	
		| Polystichum zayuense W.M. Chu & Z.R. He | Accepted |  | TRO | 
	
		| Polystichum zerophyllum C.Chr. | Unresolved |  | IPNI |