| Alsophila abbottii (Maxon) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila acantha Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila acanthophora R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila acaulis Makino | Synonym |  | TRO | 
	
		| Alsophila acrostichoides Alderw. | Synonym |  | TRO | 
	
		| Alsophila aculeata (Willd. ex Kaulf.) Klotzsch | Accepted |  | TRO | 
	
		| Alsophila aculeata (Raddi) J. Sm. | Synonym |  | TRO | 
	
		| Alsophila acuminata J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila acuminata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila acuta C. Presl | Unresolved |  | TRO | 
	
		| Alsophila acutidens H. Christ | Synonym |  | TRO | 
	
		| Alsophila acutula R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila adspersa Klf.; Kze. | Unresolved |  | IPNI | 
	
		| Alsophila aeneifolia Alderw. | Synonym |  | TRO | 
	
		| Alsophila aethiopica Welw. ex Hook. | Unresolved |  | IPNI | 
	
		| Alsophila affinis Fée | Unresolved |  | IPNI | 
	
		| Alsophila alata Sodiro | Synonym |  | TRO | 
	
		| Alsophila alata E. Fourn. | Synonym |  | TRO | 
	
		| Alsophila albida (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila albidopaleata (Copel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila albosetacea Bedd. | Unresolved |  | IPNI | 
	
		| Alsophila alderwereltii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila alleniae R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila allocota Alderw. | Synonym |  | TRO | 
	
		| Alsophila alpina Alderw. | Unresolved |  | TRO | 
	
		| Alsophila alternans (Hook.) Hook. | Synonym |  | TRO | 
	
		| Alsophila althiopica Diels | Unresolved |  | IPNI | 
	
		| Alsophila alticola (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila alutacea Kunze | Synonym |  | TRO | 
	
		| Alsophila amaiambitensis Alderw. | Synonym |  | TRO | 
	
		| Alsophila amazonica Linden | Synonym |  | TRO | 
	
		| Alsophila amboinensis Alderw. | Synonym |  | TRO | 
	
		| Alsophila amintae D.S. Conant | Unresolved |  | TRO | 
	
		| Alsophila andersoni J. Scott ex Bedd. | Accepted |  | TRO | 
	
		| Alsophila andohahelensis Tardieu | Synonym |  | TRO | 
	
		| Alsophila aneitensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila angiensis A. Gepp | Synonym |  | TRO | 
	
		| Alsophila annae Alderw. | Synonym |  | TRO | 
	
		| Alsophila aperta Fée | Unresolved |  | IPNI | 
	
		| Alsophila apiculata Rosenst. | Synonym |  | TRO | 
	
		| Alsophila appendiculata (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila approximata (Bonap.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila aquilina H. Christ | Synonym |  | TRO | 
	
		| Alsophila aramaganensis Hosok. | Unresolved |  | IPNI | 
	
		| Alsophila arbuscula Kunze | Synonym |  | TRO | 
	
		| Alsophila archboldii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila arfakensis A. Gepp | Unresolved |  | TRO | 
	
		| Alsophila armata Mart. | Synonym |  | TRO | 
	
		| Alsophila armata (Sw.) C. Presl | Synonym |  | TRO | 
	
		| Alsophila armigera Kunze | Synonym |  | TRO | 
	
		| Alsophila articulata J. Sm. ex T. Moore & Houlston | Accepted |  | TRO | 
	
		| Alsophila aspera (L.) Spreng. | Synonym |  | TRO | 
	
		| Alsophila aspera (L.) Desv. | Synonym |  | TRO | 
	
		| Alsophila aterrima Hook. | Synonym |  | TRO | 
	
		| Alsophila atropurpurea (Copel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila atrovirens (Langsd. & Fisch.) C. Presl | Synonym |  | TRO | 
	
		| Alsophila auneae D.S. Conant | Unresolved |  | TRO | 
	
		| Alsophila aurea Fée | Unresolved |  | TRO | 
	
		| Alsophila auriculata (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila australis R. Br. | Unresolved |  | TRO | 
	
		| Alsophila austroyunnanensis S.G. Lu | Accepted |  | TRO | 
	
		| Alsophila axillaris T.Moore | Unresolved |  | IPNI | 
	
		| Alsophila baileyana Domin | Synonym |  | TRO | 
	
		| Alsophila bakeri Sodiro | Synonym |  | TRO | 
	
		| Alsophila balanocarpa (D.C. Eaton) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila ballardii (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila baroni Baker | Synonym |  | TRO | 
	
		| Alsophila baroumba L.Linden | Unresolved |  | IPNI | 
	
		| Alsophila bartlettii (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila batesii Baker | Unresolved |  | IPNI | 
	
		| Alsophila batjanensis H. Christ | Synonym |  | TRO | 
	
		| Alsophila bellisquamata (Bonap.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila benculensis Alderw. | Synonym |  | TRO | 
	
		| Alsophila beyrichiana J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila bicrenata (Liebm.) E. Fourn. | Synonym |  | TRO | 
	
		| Alsophila biformis Rosenst. | Accepted |  | TRO | 
	
		| Alsophila bilineata Sodiro | Synonym |  | TRO | 
	
		| Alsophila bipinnatifida Baker | Synonym |  | TRO | 
	
		| Alsophila blancheti Trevis. | Synonym |  | TRO | 
	
		| Alsophila blanchetiana C. Presl | Synonym |  | TRO | 
	
		| Alsophila blechnoides Hook. | Synonym |  | TRO | 
	
		| Alsophila boivinii Mett. ex Ettingsh. | Synonym |  | TRO | 
	
		| Alsophila bongardiana Mett.; Bak. | Unresolved |  | IPNI | 
	
		| Alsophila boninsimensis Christ in Warb. | Unresolved |  | IPNI | 
	
		| Alsophila borbonica (Desv.) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila borinquena Maxon | Synonym |  | TRO | 
	
		| Alsophila borneensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila × boytelii Caluff & Shelton | Unresolved |  | IPNI | 
	
		| Alsophila brausei R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila brevifoliolata Alderw. | Synonym |  | TRO | 
	
		| Alsophila brevipinna R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila brevis J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila brooksii (Maxon) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila brunnea Brause | Synonym |  | TRO | 
	
		| Alsophila brunoniana Hook. | Synonym |  | TRO | 
	
		| Alsophila bryophila R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila buennemeijeri R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila bullata Baker | Synonym |  | TRO | 
	
		| Alsophila bulligera Rosenst. | Synonym |  | TRO | 
	
		| Alsophila burbidgei Baker | Synonym |  | TRO | 
	
		| Alsophila buruensis Rosenst. | Synonym |  | TRO | 
	
		| Alsophila callosa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila calocoma H. Christ | Synonym |  | TRO | 
	
		| Alsophila camerooniana R.M. Tryon | Unresolved |  | TRO | 
	
		| Alsophila camerunensis Diels | Synonym |  | TRO | 
	
		| Alsophila campanulata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila campestrium Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila canelensis Rosenst. | Unresolved |  | TRO | 
	
		| Alsophila capensis J. Sm. | Synonym |  | TRO | 
	
		| Alsophila capensis subsp. polypodioides (Sw.) D.S. Conant | Unresolved |  | TRO | 
	
		| Alsophila caracasana Klotzsch | Synonym |  | TRO | 
	
		| Alsophila castanea Baker | Synonym |  | TRO | 
	
		| Alsophila catillifera R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila caudata Hook. | Synonym |  | TRO | 
	
		| Alsophila celebica (Blume) Mett. | Accepted |  | TRO | 
	
		| Alsophila celsa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila ceropteris Fée | Unresolved |  | IPNI | 
	
		| Alsophila chamaedendron C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila chimborazensis Hook. | Synonym |  | TRO | 
	
		| Alsophila chnoodes H. Christ | Synonym |  | TRO | 
	
		| Alsophila christii Sodiro | Synonym |  | TRO | 
	
		| Alsophila cicatricosa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila cincinnata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila clementis Copel. | Synonym |  | TRO | 
	
		| Alsophila coactilis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila colensoi Hook. f. | Synonym |  | TRO | 
	
		| Alsophila commutata Mett. | Unresolved |  | TRO | 
	
		| Alsophila comosa Hook. | Unresolved |  | TRO | 
	
		| Alsophila compta Mart. | Synonym |  | TRO | 
	
		| Alsophila conantiana Lehnert | Unresolved |  | TRO | 
	
		| Alsophila concinna Baker | Unresolved |  | TRO | 
	
		| Alsophila confinis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila confucii Christ | Unresolved |  | IPNI | 
	
		| Alsophila congoensis Bonap. | Synonym |  | TRO | 
	
		| Alsophila conjugata Spruce ex Hook. | Synonym |  | TRO | 
	
		| Alsophila contaminans Wall. ex Hook. | Synonym |  | TRO | 
	
		| Alsophila contracta Fée | Synonym |  | TRO | 
	
		| Alsophila contracta Hieron. | Synonym |  | TRO | 
	
		| Alsophila cooperi F. Muell. | Synonym |  | TRO | 
	
		| Alsophila corcovadensis C. Chr. | Synonym |  | TRO | 
	
		| Alsophila cordata Klotzsch | Synonym |  | TRO | 
	
		| Alsophila coriacea Rosenst. | Synonym |  | TRO | 
	
		| Alsophila costalis H. Christ | Synonym |  | TRO | 
	
		| Alsophila costalisora R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila costularis Baker | Synonym |  | TRO | 
	
		| Alsophila coursii Tardieu | Synonym |  | TRO | 
	
		| Alsophila crassa KARSTEN | Synonym |  | TRO | 
	
		| Alsophila crassicaula R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila crassifolia H. Christ | Synonym |  | TRO | 
	
		| Alsophila crenata Kunze | Unresolved |  | IPNI | 
	
		| Alsophila crenulata (Mett.) Hook. | Accepted |  | TRO | 
	
		| Alsophila crinita Hook. | Unresolved |  | IPNI | 
	
		| Alsophila cubensis Caluff & Shelton | Unresolved |  | IPNI | 
	
		| Alsophila cucullifera R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila cunninghamii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila curranii (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila cuspidata (Kunze) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila cyclodonta H. Christ | Synonym |  | TRO | 
	
		| Alsophila damazioi Brade | Unresolved |  | IPNI | 
	
		| Alsophila dealbata C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila debilis de Vriese; Jungh. | Unresolved |  | IPNI | 
	
		| Alsophila decipiens J. Scott ex Bedd. | Synonym |  | TRO | 
	
		| Alsophila deckenii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila deckeriana Kl.; Kze. | Unresolved |  | IPNI | 
	
		| Alsophila decomposita Karsten | Synonym |  | TRO | 
	
		| Alsophila decrescens (Mett.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila decurrens Hook. | Synonym |  | TRO | 
	
		| Alsophila decurrens var. vaupelii Brause | Synonym |  | TRO | 
	
		| Alsophila decussata H. Christ | Synonym |  | TRO | 
	
		| Alsophila delicatula Maxon | Unresolved |  | IPNI | 
	
		| Alsophila demissa C.V. Morton | Synonym |  | TRO | 
	
		| Alsophila denticulata Baker | Synonym |  | TRO | 
	
		| Alsophila dicksonioides R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila dicromatolepis Fée | Synonym |  | TRO | 
	
		| Alsophila dielsii Brause | Unresolved |  | IPNI | 
	
		| Alsophila dimorpha H. Christ | Synonym |  | TRO | 
	
		| Alsophila dimorphotricha (Copel.) Alderw. | Accepted |  | TRO | 
	
		| Alsophila dissitifolia Baker | Synonym |  | TRO | 
	
		| Alsophila doctersii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila dombeyi Desv. | Synonym |  | TRO | 
	
		| Alsophila dorsalis Christ | Unresolved |  | IPNI | 
	
		| Alsophila dregei (Kunze) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila dryopteridoides Domin | Unresolved |  | TRO | 
	
		| Alsophila dryopteroidea Brause | Unresolved |  | TRO | 
	
		| Alsophila dryopteroides (Maxon) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila dubia Bedd. | Unresolved |  | TRO | 
	
		| Alsophila eatonii Jenman | Synonym |  | TRO | 
	
		| Alsophila echinata Moore | Unresolved |  | IPNI | 
	
		| Alsophila edanoi R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila elegans Mart. | Synonym |  | TRO | 
	
		| Alsophila elegantissima Linden; | Unresolved |  | IPNI | 
	
		| Alsophila elliottii Baker | Synonym |  | TRO | 
	
		| Alsophila elmeri Copel. | Synonym |  | TRO | 
	
		| Alsophila elongata Hook. | Synonym |  | TRO | 
	
		| Alsophila engelii R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila erinacea (H. Karst.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila eriocarpa Fée | Synonym |  | TRO | 
	
		| Alsophila eriophora R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila erubescens Kunze | Unresolved |  | IPNI | 
	
		| Alsophila esmeraldensis R.C. Moran | Accepted |  | TRO | 
	
		| Alsophila estelae Riba | Synonym |  | TRO | 
	
		| Alsophila everta R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila excavata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila excelsa R.Br. ex Endl. | Unresolved |  | IPNI | 
	
		| Alsophila excelsa R.Br. | Unresolved |  | IPNI | 
	
		| Alsophila excelsa Mart. | Unresolved |  | IPNI | 
	
		| Alsophila excelsa Spr. | Unresolved |  | IPNI | 
	
		| Alsophila extensa (G. Forst.) Desv. | Accepted |  | TRO | 
	
		| Alsophila × fagildei Caluff & Shelton | Unresolved |  | IPNI | 
	
		| Alsophila falcata Kuhn | Synonym |  | TRO | 
	
		| Alsophila fallacina Domin | Unresolved |  | IPNI | 
	
		| Alsophila farinosa Karst.; Mett. | Unresolved |  | IPNI | 
	
		| Alsophila farinosa H.Karst. | Unresolved |  | IPNI | 
	
		| Alsophila fauriei H. Christ | Synonym |  | TRO | 
	
		| Alsophila feeana C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila fenicis (Copel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila ferdinandii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila ferox C. Presl | Synonym |  | TRO | 
	
		| Alsophila ferruginea R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila finlaysonianum Wall.; Moore | Unresolved |  | IPNI | 
	
		| Alsophila firma (Baker) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila fischeriana Regel | Unresolved |  | IPNI | 
	
		| Alsophila flexuosa Fée | Unresolved |  | IPNI | 
	
		| Alsophila floribunda Baker | Synonym |  | TRO | 
	
		| Alsophila foersteri R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila formosana Baker | Synonym |  | TRO | 
	
		| Alsophila fragilis Zoll. & Moritz | Unresolved |  | IPNI | 
	
		| Alsophila fragrans J.Sm.; Salom. | Unresolved |  | IPNI | 
	
		| Alsophila francii Rosenst. | Unresolved |  | IPNI | 
	
		| Alsophila frigida H. Karst. | Synonym |  | TRO | 
	
		| Alsophila fujiiana Nakai | Synonym |  | TRO | 
	
		| Alsophila fulgens (C. Chr.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila fuliginosa H. Christ | Synonym |  | TRO | 
	
		| Alsophila fulva M. Martens & Galeotti | Synonym |  | TRO | 
	
		| Alsophila furcata H. Christ | Synonym |  | TRO | 
	
		| Alsophila furcinervia C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila fusagasuga Trevis. | Unresolved |  | IPNI | 
	
		| Alsophila gammiei R.D.Dixit | Unresolved |  | IPNI | 
	
		| Alsophila gardneri Hook. | Synonym |  | TRO | 
	
		| Alsophila gazellae Kuhn | Unresolved |  | IPNI | 
	
		| Alsophila geluensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila gibbosa Klotzsch | Synonym |  | TRO | 
	
		| Alsophila gigantea Wall. ex Hook. | Synonym |  | TRO | 
	
		| Alsophila gigantea var. polynervata (R.H. Miao) Q. Xia | Unresolved |  | TRO | 
	
		| Alsophila glaberrima R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila glabra (Blume) Hook. | Synonym |  | TRO | 
	
		| Alsophila glabrescens Alderw. | Synonym |  | TRO | 
	
		| Alsophila glauca (Blume) J. Sm. | Synonym |  | TRO | 
	
		| Alsophila glauca (Sw.) Hieron. | Synonym |  | TRO | 
	
		| Alsophila glaucescens Wall. | Unresolved |  | IPNI | 
	
		| Alsophila glaucifolia R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila glaziovii Baker | Synonym |  | TRO | 
	
		| Alsophila glaziovii Fée | Synonym |  | TRO | 
	
		| Alsophila gleasonii Maxon | Synonym |  | TRO | 
	
		| Alsophila gleichenioides R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila glumacea Fée | Unresolved |  | IPNI | 
	
		| Alsophila godmanii Hook. | Synonym |  | TRO | 
	
		| Alsophila goyazensis H. Christ | Synonym |  | TRO | 
	
		| Alsophila gracilis Underw. & Maxon | Unresolved |  | TRO | 
	
		| Alsophila grangaudiana J.P.Roux | Unresolved |  | IPNI | 
	
		| Alsophila gregaria Brause | Synonym |  | TRO | 
	
		| Alsophila grevilleana (Mart.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila guimaraensis Fée & Glaz.; Fee | Unresolved |  | IPNI | 
	
		| Alsophila guimaraensis Fée & Glaz. | Unresolved |  | IPNI | 
	
		| Alsophila guinleorum Brade | Unresolved |  | IPNI | 
	
		| Alsophila haenkeana C. Presl | Unresolved |  | TRO | 
	
		| Alsophila haenkei C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila halconensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila hallieri Rosenst. | Unresolved |  | TRO | 
	
		| Alsophila hallieri Alderw. | Unresolved |  | TRO | 
	
		| Alsophila haughtii Maxon | Synonym |  | TRO | 
	
		| Alsophila havilandii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila helferiana C. Presl | Unresolved |  | TRO | 
	
		| Alsophila henryi Baker | Accepted |  | TRO | 
	
		| Alsophila hermannii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila heterochlamydea R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila heteromorpha Alderw. | Synonym |  | TRO | 
	
		| Alsophila heterophylla Alderw. | Synonym |  | TRO | 
	
		| Alsophila hewittii (Copel.) Alderw. | Synonym |  | TRO | 
	
		| Alsophila hieronymi Brause | Unresolved |  | TRO | 
	
		| Alsophila hildebrandtii (Kuhn) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila hilliana F.Muell. | Unresolved |  | IPNI | 
	
		| Alsophila hirsuta (C. Presl) Kunze | Synonym |  | TRO | 
	
		| Alsophila hirsutissima Fée | Unresolved |  | IPNI | 
	
		| Alsophila hirta Kaulf. | Unresolved |  | IPNI | 
	
		| Alsophila hispida Baker | Unresolved |  | IPNI | 
	
		| Alsophila hoehneana Brade | Unresolved |  | IPNI | 
	
		| Alsophila holstii Hier.in Engl. | Unresolved |  | IPNI | 
	
		| Alsophila holstii Hieron. | Unresolved |  | IPNI | 
	
		| Alsophila hooglandii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila hookeri R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila hookeriana Kl.; Hk. | Unresolved |  | IPNI | 
	
		| Alsophila hornei Baker | Synonym |  | TRO | 
	
		| Alsophila horridula R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila hostmanni J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila hotteana (C. Chr. & Ekman) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila humbertiana (C. Chr.) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila humboldtii Kl.; Kze. | Unresolved |  | IPNI | 
	
		| Alsophila humilis J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila humilis Pic.Serm. | Unresolved |  | IPNI | 
	
		| Alsophila hunsteiniana Brause | Unresolved |  | TRO | 
	
		| Alsophila hyacinthei R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila hymenodes R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila hypolampra Kunze ex Kuhn | Unresolved |  | TRO | 
	
		| Alsophila ichtyolepis H. Christ | Synonym |  | TRO | 
	
		| Alsophila iheringii Rosenst. | Synonym |  | TRO | 
	
		| Alsophila imbricata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila impressa Fée | Synonym |  | TRO | 
	
		| Alsophila imrayana (Hook.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila imrayana var. basilaris (H. Christ) Lellinger | Accepted |  | TRO | 
	
		| Alsophila incana (H. Karst.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila incisoserrata (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila indrapurae Alderw. | Synonym |  | TRO | 
	
		| Alsophila induta Chodat | Unresolved |  | TRO | 
	
		| Alsophila infesta Kunze | Synonym |  | TRO | 
	
		| Alsophila inquinans R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila insulana R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila intermedia Mett. | Synonym |  | TRO | 
	
		| Alsophila isaloensis (C. Chr.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila janseniana Alderw. | Synonym |  | TRO | 
	
		| Alsophila javanica R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila jimeneziana D.S. Conant | Unresolved |  | TRO | 
	
		| Alsophila jivariensis Hieron. | Unresolved |  | IPNI | 
	
		| Alsophila junghuhniana Kunze | Synonym |  | TRO | 
	
		| Alsophila kalbreyeri Baker | Synonym |  | TRO | 
	
		| Alsophila kemberangana (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila kenepaiana Alderw. | Synonym |  | TRO | 
	
		| Alsophila kermadecensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila khasyana T. Moore | Accepted |  | TRO | 
	
		| Alsophila killipii Maxon | Synonym |  | TRO | 
	
		| Alsophila kingii Clarke | Synonym |  | TRO | 
	
		| Alsophila kirkii (Hook.) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila kleinii Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila klossii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila kohchangensis C. Chr. | Synonym |  | TRO | 
	
		| Alsophila kuhnii (Hieron.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila laevis J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila lamprocaulis (H. Christ) Ching | Synonym |  | TRO | 
	
		| Alsophila lanuginosa (Jungh.) C. Presl | Accepted |  | TRO | 
	
		| Alsophila lasiosora Mett. ex Kuhn | Synonym |  | TRO | 
	
		| Alsophila lastii (Baker) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila lastreoides Alderw. | Synonym |  | TRO | 
	
		| Alsophila latebrosa C. Presl | Accepted |  | TRO | 
	
		| Alsophila latebrosa Wall. ex Hook. | Synonym |  | TRO | 
	
		| Alsophila latevagans Baker | Synonym |  | TRO | 
	
		| Alsophila latipinnula R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila latisecta H. Christ | Synonym |  | TRO | 
	
		| Alsophila lechleri Mett. | Synonym |  | TRO | 
	
		| Alsophila lechria R.M. Tryon | Unresolved |  | TRO | 
	
		| Alsophila ledermannii Brause | Unresolved |  | TRO | 
	
		| Alsophila leichhardtiana F.Muell. | Unresolved |  | IPNI | 
	
		| Alsophila leichhardtii F.M.Bailey | Unresolved |  | IPNI | 
	
		| Alsophila lepidoclada H. Christ | Synonym |  | TRO | 
	
		| Alsophila lepidophora Kunze | Unresolved |  | IPNI | 
	
		| Alsophila lepidotricha Diels | Unresolved |  | IPNI | 
	
		| Alsophila lepifera J. Sm. ex Hook. | Synonym |  | TRO | 
	
		| Alsophila leprieuriana Kunze | Synonym |  | TRO | 
	
		| Alsophila leptochlamys (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila leptocladia Fée | Unresolved |  | IPNI | 
	
		| Alsophila leschenaultiana T.Moore | Unresolved |  | IPNI | 
	
		| Alsophila leucocarpa (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila leucolepis Mart. | Synonym |  | TRO | 
	
		| Alsophila leucolepis var. pubescens H. Christ | Synonym |  | TRO | 
	
		| Alsophila ligulata (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila lilianiae R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila loddigesii Kunze | Unresolved |  | IPNI | 
	
		| Alsophila loerzingii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila loheri (H. Christ) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila longipes R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila longipinnata (Bonap.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila longopinna C. Chr. | Unresolved |  | TRO | 
	
		| Alsophila loubetiana L.Linden | Unresolved |  | IPNI | 
	
		| Alsophila ludoviciana Fée | Synonym |  | TRO | 
	
		| Alsophila lunulata (G. Forst.) Desv. | Synonym |  | TRO | 
	
		| Alsophila lurida (Blume) Hook. | Synonym |  | TRO | 
	
		| Alsophila macarenensis (Alston) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila macarthurii Hook. | Unresolved |  | IPNI | 
	
		| Alsophila macgillivrayi Baker | Synonym |  | TRO | 
	
		| Alsophila macgregorii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila macropoda R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila macrosora Baker ex Thurn | Synonym |  | TRO | 
	
		| Alsophila madagascarica Bonap. | Synonym |  | TRO | 
	
		| Alsophila magnifolia R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila major Caluff & Shelton | Unresolved |  | IPNI | 
	
		| Alsophila manilensis C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila manniana (Hook.) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila mapiriensis Rosenst. | Synonym |  | TRO | 
	
		| Alsophila marattioides (Willd.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila marcescens R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila margarethae H.E. Schroet. ex H. Christ | Synonym |  | TRO | 
	
		| Alsophila marginalis Klotzsch | Synonym |  | TRO | 
	
		| Alsophila marginata Brause | Synonym |  | TRO | 
	
		| Alsophila marianna Gaudich. | Unresolved |  | IPNI | 
	
		| Alsophila marshalliana L.Linden | Unresolved |  | IPNI | 
	
		| Alsophila martinicensis Spreng. | Unresolved |  | TRO | 
	
		| Alsophila masapilidensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila matitanensis R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila matthewii Christ | Unresolved |  | IPNI | 
	
		| Alsophila maxonii Rosenst. | Unresolved |  | IPNI | 
	
		| Alsophila media R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila × medinae Caluff & Shelton | Unresolved |  | IPNI | 
	
		| Alsophila melanocaula (Desv.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila melanocaulos Alderw. | Unresolved |  | TRO | 
	
		| Alsophila melanopus Hook. | Synonym |  | TRO | 
	
		| Alsophila melanorachis Copel. | Synonym |  | TRO | 
	
		| Alsophila melanotricha Tardieu | Synonym |  | TRO | 
	
		| Alsophila melleri (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila mello-barretoi Brade | Synonym |  | TRO | 
	
		| Alsophila mertensiana Kunze | Synonym |  | TRO | 
	
		| Alsophila mertensii Trevis. | Unresolved |  | IPNI | 
	
		| Alsophila mesocarpa C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila mesosora R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila metteniana Hance | Accepted |  | TRO | 
	
		| Alsophila mexiae C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila mexicana Mart. | Synonym |  | TRO | 
	
		| Alsophila micra R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila microchlamys R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila microdonta (Desv.) Desv. | Synonym |  | TRO | 
	
		| Alsophila microphylla Klotzsch | Synonym |  | TRO | 
	
		| Alsophila microphylloides R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila miersii Hook. | Synonym |  | TRO | 
	
		| Alsophila mildbraedii Brause | Synonym |  | TRO | 
	
		| Alsophila millefolia Desv. | Unresolved |  | TRO | 
	
		| Alsophila milnei R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila mindanensis Christ; Diels | Unresolved |  | IPNI | 
	
		| Alsophila mindanensis Christ | Unresolved |  | IPNI | 
	
		| Alsophila minervae Lehnert | Unresolved |  | TRO | 
	
		| Alsophila minor (D.C. Eaton) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila miquelii Kunze | Unresolved |  | IPNI | 
	
		| Alsophila modesta Baker | Synonym |  | TRO | 
	
		| Alsophila mollicula Maxon | Synonym |  | TRO | 
	
		| Alsophila mollissima Kunze | Unresolved |  | IPNI | 
	
		| Alsophila mollissima T.Moore | Unresolved |  | IPNI | 
	
		| Alsophila monosticha Christ | Unresolved |  | IPNI | 
	
		| Alsophila montana R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila monticola Mart. | Unresolved |  | TRO | 
	
		| Alsophila moorei J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila mossambicensis R.M. Tryon | Unresolved |  | TRO | 
	
		| Alsophila mostellaria Lehnert | Unresolved |  | TRO | 
	
		| Alsophila mucronata H. Christ | Synonym |  | TRO | 
	
		| Alsophila multiflora (Sm.) C. Presl | Synonym |  | TRO | 
	
		| Alsophila munchii Christ | Synonym |  | TRO | 
	
		| Alsophila munita Klf.; Pr. | Unresolved |  | IPNI | 
	
		| Alsophila muricata (Willd.) Desv. | Synonym |  | TRO | 
	
		| Alsophila myosuroides Liebm. | Synonym |  | TRO | 
	
		| Alsophila naumannii Kuhn | Synonym |  | TRO | 
	
		| Alsophila negrosiana R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila nesiotica Maxon | Synonym |  | TRO | 
	
		| Alsophila nicklesii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila nigra Mart. | Synonym |  | TRO | 
	
		| Alsophila nigrescens Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila nigrescens Fée | Unresolved |  | IPNI | 
	
		| Alsophila nigricans Corda | Unresolved |  | IPNI | 
	
		| Alsophila nigripes C. Chr. | Synonym |  | TRO | 
	
		| Alsophila nigrolineata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila nigropaleata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila nilgirensis B.K.Nayar & S.Kaur | Unresolved |  | IPNI | 
	
		| Alsophila nilgirensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila nitens J. Sm. ex Griseb. | Unresolved |  | TRO | 
	
		| Alsophila nitida Kunze ex Ettingsh. | Unresolved |  | TRO | 
	
		| Alsophila nockii (Jenman) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila notabilis Maxon | Synonym |  | TRO | 
	
		| Alsophila novaecaledoniae Mett. | Synonym |  | TRO | 
	
		| Alsophila novogranadensis Domin | Unresolved |  | TRO | 
	
		| Alsophila obliqua (Copel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila oblonga Klotzsch | Synonym |  | TRO | 
	
		| Alsophila obscura Scort. ex Bedd. | Synonym |  | TRO | 
	
		| Alsophila obtusa Klotzsch | Synonym |  | TRO | 
	
		| Alsophila obtusiloba Hook. | Unresolved |  | IPNI | 
	
		| Alsophila ochroleuca H. Christ | Synonym |  | TRO | 
	
		| Alsophila odonelliana (Alston) Lehnert | Accepted |  | TRO | 
	
		| Alsophila ogurae Hayata | Unresolved |  | TRO | 
	
		| Alsophila oinops R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila okiana Alderw. | Synonym |  | TRO | 
	
		| Alsophila oldhamii Bedd. | Unresolved |  | IPNI | 
	
		| Alsophila oligocarpa Fée | Unresolved |  | IPNI | 
	
		| Alsophila oligosora Miq. | Unresolved |  | TRO | 
	
		| Alsophila olivacea Brause | Synonym |  | TRO | 
	
		| Alsophila oosora R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila orientalis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila ornata Scott; Bedd. | Unresolved |  | IPNI | 
	
		| Alsophila ornata J.Scott | Unresolved |  | IPNI | 
	
		| Alsophila orthogonalis (Bonap.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila pabstii Brade | Unresolved |  | IPNI | 
	
		| Alsophila pachyrrhachis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila palembanica Alderw. | Synonym |  | TRO | 
	
		| Alsophila paleolata Mart. | Synonym |  | TRO | 
	
		| Alsophila pallescens Sodiro | Synonym |  | TRO | 
	
		| Alsophila pallida Rosenst. | Unresolved |  | IPNI | 
	
		| Alsophila pallidipaleata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila pansamalana Maxon | Synonym |  | TRO | 
	
		| Alsophila papuana Ridl. | Synonym |  | TRO | 
	
		| Alsophila paraphysata (Copel.) Alderw. | Accepted |  | TRO | 
	
		| Alsophila parkeri Hook. | Unresolved |  | IPNI | 
	
		| Alsophila parkeri J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila parva Maxon | Unresolved |  | TRO | 
	
		| Alsophila parvifolia Holttum | Unresolved |  | TRO | 
	
		| Alsophila parvula Jenman | Synonym |  | TRO | 
	
		| Alsophila pastazensis Hieron. | Synonym |  | TRO | 
	
		| Alsophila patellifera R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila pauciflora Kuhn | Synonym |  | TRO | 
	
		| Alsophila pauciflora C. Presl | Synonym |  | TRO | 
	
		| Alsophila paucifolia Baker | Accepted |  | TRO | 
	
		| Alsophila paulistana Rosenst. | Synonym |  | TRO | 
	
		| Alsophila pectinata Fée | Unresolved |  | IPNI | 
	
		| Alsophila peladensis Hieron. | Synonym |  | TRO | 
	
		| Alsophila percrassa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila perpelvigera R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila perpunctulata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila perrieriana (C. Chr.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila perriniana Spreng. | Unresolved |  | IPNI | 
	
		| Alsophila persquamulata Alderw. | Synonym |  | TRO | 
	
		| Alsophila persquamulifera (Alderw.) Alderw. | Synonym |  | TRO | 
	
		| Alsophila peruviana Klotzsch | Synonym |  | TRO | 
	
		| Alsophila petiolulata Karst.; Mett. | Unresolved |  | IPNI | 
	
		| Alsophila phalaenolepis C. Chr. | Synonym |  | TRO | 
	
		| Alsophila phalerata Mart. | Synonym |  | TRO | 
	
		| Alsophila phalerata var. infesta (Kunze) Farw. | Synonym |  | TRO | 
	
		| Alsophila phegopteroides Hook. | Synonym |  | TRO | 
	
		| Alsophila philippinense ht.Veitch; Gard.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila philippinensis ht.Veitch. | Unresolved |  | IPNI | 
	
		| Alsophila physolepidota R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila piligera Hieron. | Synonym |  | TRO | 
	
		| Alsophila pilosa M. Martens & Galeotti | Synonym |  | TRO | 
	
		| Alsophila pilosissima Baker | Synonym |  | TRO | 
	
		| Alsophila pilosula (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila pingbianica Y.K.Yang, Y.M.He & J.K.Wu | Unresolved |  | IPNI | 
	
		| Alsophila pinnula H. Christ | Synonym |  | TRO | 
	
		| Alsophila plagiopteris Mart. | Synonym |  | TRO | 
	
		| Alsophila plagiostegia R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila platyphylla C. Presl | Unresolved |  | TRO | 
	
		| Alsophila podophylla Baker | Synonym |  | TRO | 
	
		| Alsophila podophylla Hook. | Synonym |  | TRO | 
	
		| Alsophila poeppigii Hook. | Synonym |  | TRO | 
	
		| Alsophila pohlii C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila poiensis (Copel.) Alderw. | Accepted |  | TRO | 
	
		| Alsophila polycampta Kunze | Unresolved |  | TRO | 
	
		| Alsophila polycarpa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila polyphlebia Baker | Unresolved |  | TRO | 
	
		| Alsophila polypodioides Hook. | Synonym |  | TRO | 
	
		| Alsophila polystichoides H. Christ | Accepted |  | TRO | 
	
		| Alsophila ponapeana Hosok. | Unresolved |  | IPNI | 
	
		| Alsophila poolii C. Chr. | Synonym |  | TRO | 
	
		| Alsophila portoana Brade | Synonym |  | TRO | 
	
		| Alsophila portoricensis (Spreng. ex Kuhn) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila praecincta Kunze | Synonym |  | TRO | 
	
		| Alsophila procera (Willd.) Desv. | Synonym |  | TRO | 
	
		| Alsophila proceroides Rosenst. | Unresolved |  | IPNI | 
	
		| Alsophila pruinata (Sw.) Kaulf. ex Kunze | Synonym |  | TRO | 
	
		| Alsophila pruinata var. conspicua Sodiro | Synonym |  | TRO | 
	
		| Alsophila pruinata var. tenuis H. Christ | Synonym |  | TRO | 
	
		| Alsophila pruinosa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila pseudomuelleri R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila pterorachis Baker | Synonym |  | TRO | 
	
		| Alsophila pubescens Baker | Synonym |  | TRO | 
	
		| Alsophila pulchra (Copel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila punctulata Alderw. | Synonym |  | TRO | 
	
		| Alsophila pungens (Willd.) C. Presl | Synonym |  | TRO | 
	
		| Alsophila pustulosa H. Christ | Synonym |  | TRO | 
	
		| Alsophila pycnocarpa Kunze | Synonym |  | TRO | 
	
		| Alsophila pycnoneura R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila quadrata (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila quadripinnata (J.F. Gmel.) C. Chr. | Synonym |  | TRO | 
	
		| Alsophila quitensis C. Chr. | Synonym |  | TRO | 
	
		| Alsophila radens Kaulf. | Synonym |  | TRO | 
	
		| Alsophila ramisora Domin | Unresolved |  | TRO | 
	
		| Alsophila ramispina Hook. | Synonym |  | TRO | 
	
		| Alsophila ramosii (Copel.) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila rebeccae F. Muell. | Synonym |  | TRO | 
	
		| Alsophila recurvata Brause | Synonym |  | TRO | 
	
		| Alsophila reducta Alderw. | Synonym |  | TRO | 
	
		| Alsophila reitzii Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila revoluta C. Chr. | Unresolved |  | TRO | 
	
		| Alsophila rheosara Baker | Accepted |  | TRO | 
	
		| Alsophila ridleyi Baker | Synonym |  | TRO | 
	
		| Alsophila rigens R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila rigidula Mart. | Synonym |  | TRO | 
	
		| Alsophila robertsiana F. Muell. | Synonym |  | TRO | 
	
		| Alsophila rolandii R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila roquettei Brade | Unresolved |  | IPNI | 
	
		| Alsophila rosenstockii Brause | Unresolved |  | TRO | 
	
		| Alsophila rostrata (Kunth) Mart. | Synonym |  | TRO | 
	
		| Alsophila rubella R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila rubiginosa Brause | Synonym |  | TRO | 
	
		| Alsophila rufa Fée | Synonym |  | TRO | 
	
		| Alsophila rufopannosa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila rugosula C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila rumphiana Alderw. | Synonym |  | TRO | 
	
		| Alsophila rupestris (Maxon) Gastony & R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila saccata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila sagittifolia Hook. | Unresolved |  | IPNI | 
	
		| Alsophila salletii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila salvinii Hook. | Accepted |  | TRO | 
	
		| Alsophila samoensis Brack. | Unresolved |  | IPNI | 
	
		| Alsophila sangirensis H. Christ | Synonym |  | TRO | 
	
		| Alsophila saparuensis Alderw. | Synonym |  | TRO | 
	
		| Alsophila sarawakensis C. Chr. | Synonym |  | TRO | 
	
		| Alsophila scaberula H. Christ | Synonym |  | TRO | 
	
		| Alsophila scaberulipes Alderw. | Synonym |  | TRO | 
	
		| Alsophila scabrinscula Maxon | Unresolved |  | IPNI | 
	
		| Alsophila scabriseta (Copel.) Alderw. | Accepted |  | TRO | 
	
		| Alsophila scabriuscula Maxon | Synonym |  | TRO | 
	
		| Alsophila scabriuscula var. guatemalensis Riba | Synonym |  | TRO | 
	
		| Alsophila scandens Brause | Synonym |  | TRO | 
	
		| Alsophila schaffneriana Fée | Synonym |  | TRO | 
	
		| Alsophila schiedeana C. Presl | Synonym |  | TRO | 
	
		| Alsophila schlechteri Brause | Synonym |  | TRO | 
	
		| Alsophila schliebenii Reimers | Unresolved |  | TRO | 
	
		| Alsophila schlimii Kuhn | Synonym |  | TRO | 
	
		| Alsophila scopulina R.M. Tryon | Unresolved |  | TRO | 
	
		| Alsophila scottiana Baker | Unresolved |  | IPNI | 
	
		| Alsophila scrobiculata Fée | Synonym |  | TRO | 
	
		| Alsophila sechellarum R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila semiamplectens R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila senilis Klotzsch | Synonym |  | TRO | 
	
		| Alsophila serrae Sehnem in Reitz | Unresolved |  | IPNI | 
	
		| Alsophila serrata J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila serratifolia (Baker) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila sessilifolia Jenman | Synonym |  | TRO | 
	
		| Alsophila setosa Kaulf. | Accepted |  | TRO | 
	
		| Alsophila setulosa R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila shepherdii W. Bull | Unresolved |  | TRO | 
	
		| Alsophila sikkimensis Clarke & Baker | Unresolved |  | IPNI | 
	
		| Alsophila similis (C. Chr.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila simulans Baker | Synonym |  | TRO | 
	
		| Alsophila sinuata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila smithiana C. Presl | Unresolved |  | TRO | 
	
		| Alsophila smithii Trevis. | Unresolved |  | IPNI | 
	
		| Alsophila smithii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila sodiroi Baker | Accepted |  | TRO | 
	
		| Alsophila sollyana Griff. | Unresolved |  | IPNI | 
	
		| Alsophila solomonensis R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila speciosa C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila spinifera Alderw. | Synonym |  | TRO | 
	
		| Alsophila spinulosa (Wall. ex Hook.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila sprengeliana Mart. | Unresolved |  | IPNI | 
	
		| Alsophila sprucei Hook. | Synonym |  | TRO | 
	
		| Alsophila squamata Klotzsch | Synonym |  | TRO | 
	
		| Alsophila squamulata (Blume) Hook. | Synonym |  | TRO | 
	
		| Alsophila stelligera (Holttum) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila sternbergii (Sternb.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila stipularis H. Christ | Synonym |  | TRO | 
	
		| Alsophila stokesii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila straminea A. Gepp | Synonym |  | TRO | 
	
		| Alsophila strigillosa Maxon | Unresolved |  | TRO | 
	
		| Alsophila strigosa J. Sm. | Synonym |  | TRO | 
	
		| Alsophila stuebelii Hieron. | Unresolved |  | TRO | 
	
		| Alsophila stuhlmannii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila subaculeata Splitg. | Synonym |  | TRO | 
	
		| Alsophila subaspera H. Christ | Synonym |  | TRO | 
	
		| Alsophila subcomosa C. Chr. | Synonym |  | TRO | 
	
		| Alsophila subdimorpha (Copel.) Alderw. | Accepted |  | TRO | 
	
		| Alsophila subdubia Alderw. | Synonym |  | TRO | 
	
		| Alsophila subglandulosa Hance | Synonym |  | TRO | 
	
		| Alsophila submarginalis Domin | Synonym |  | TRO | 
	
		| Alsophila subobscura Alderw. | Synonym |  | TRO | 
	
		| Alsophila subtripinnata R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila subulata Alderw. | Synonym |  | TRO | 
	
		| Alsophila sumatrana R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila suprasora Panigrahi & Sarn.Singh | Unresolved |  | IPNI | 
	
		| Alsophila surinamensis (Miq.) J. Sm. | Synonym |  | TRO | 
	
		| Alsophila swartziana Mart. | Unresolved |  | TRO | 
	
		| Alsophila taenitis Kunze | Unresolved |  | IPNI | 
	
		| Alsophila tahitensis Brack. | Unresolved |  | IPNI | 
	
		| Alsophila tanzaniana R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila tarapotensis Rosenst. | Synonym |  | TRO | 
	
		| Alsophila telfairiana Wall.; Hk. | Unresolved |  | IPNI | 
	
		| Alsophila temulata J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila tenera Hook. | Synonym |  | TRO | 
	
		| Alsophila tenerifrons H. Christ | Synonym |  | TRO | 
	
		| Alsophila tenggerensis Rosenst. | Synonym |  | TRO | 
	
		| Alsophila tenuicaulis de Vriese & Teijsm. ex J.Scott | Unresolved |  | IPNI | 
	
		| Alsophila tenuis Brause | Unresolved |  | TRO | 
	
		| Alsophila tenuisectum Blume ex T. Moore | Synonym |  | TRO | 
	
		| Alsophila ternatea R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila thomsonii (Baker) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila tijucensis Fée | Unresolved |  | IPNI | 
	
		| Alsophila tomentosa (Blume) Hook. | Synonym |  | TRO | 
	
		| Alsophila trichiata Maxon | Synonym |  | TRO | 
	
		| Alsophila trichodesma Scort. | Synonym |  | TRO | 
	
		| Alsophila trichophlebia Baker | Synonym |  | TRO | 
	
		| Alsophila trichophora (Copel.) Alderw. | Synonym |  | TRO | 
	
		| Alsophila tricolor R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila tristis Bl.; Moore | Unresolved |  | IPNI | 
	
		| Alsophila tristis Bl.; C.Chr. | Unresolved |  | IPNI | 
	
		| Alsophila tristis Blume | Unresolved |  | IPNI | 
	
		| Alsophila truncata Brack. | Unresolved |  | IPNI | 
	
		| Alsophila tryoniana (Gastony) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila tryonorum Riba | Synonym |  | TRO | 
	
		| Alsophila tsaratananensis (C. Chr.) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila tsilotsilensis (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila tumacensis J. Sm. | Unresolved |  | TRO | 
	
		| Alsophila tussacii (Desv.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila ulei H. Christ | Synonym |  | TRO | 
	
		| Alsophila umbrosa Wall. | Unresolved |  | IPNI | 
	
		| Alsophila umbrosa Wall. ex Ridl. | Unresolved |  | IPNI | 
	
		| Alsophila unguis-cati Fée | Synonym |  | TRO | 
	
		| Alsophila urbanii (Brause) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila ursina Maxon | Synonym |  | TRO | 
	
		| Alsophila vandeusenii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila vangaerdtii van Houtte; | Unresolved |  | IPNI | 
	
		| Alsophila veitchii Baker | Unresolved |  | IPNI | 
	
		| Alsophila venulosa Wall. | Unresolved |  | IPNI | 
	
		| Alsophila vernicosa Mett. ex Kuhn | Synonym |  | TRO | 
	
		| Alsophila verruculosa Rosenst. | Unresolved |  | IPNI | 
	
		| Alsophila vestita Baker | Synonym |  | TRO | 
	
		| Alsophila vexans Ces. | Synonym |  | TRO | 
	
		| Alsophila vieillardii (Mett.) R.M. Tryon | Accepted |  | TRO | 
	
		| Alsophila viguieri (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila villosa (Humb. & Bonpl. ex Willd.) Desv. | Synonym |  | TRO | 
	
		| Alsophila vitiensis Carruth. | Synonym |  | TRO | 
	
		| Alsophila walkerae J.Sm. | Unresolved |  | IPNI | 
	
		| Alsophila wallacei Mett. | Synonym |  | TRO | 
	
		| Alsophila wallichiana C.Presl | Unresolved |  | IPNI | 
	
		| Alsophila warburgii Christ | Unresolved |  | IPNI | 
	
		| Alsophila warihon (Copel.) C. Chr. | Unresolved |  | TRO | 
	
		| Alsophila weigeltii | Synonym |  | TRO | 
	
		| Alsophila welwitschii R.M.Tryon | Unresolved |  | IPNI | 
	
		| Alsophila wendlandii Mett. ex Kuhn | Synonym |  | TRO | 
	
		| Alsophila wengiensis Brause | Synonym |  | TRO | 
	
		| Alsophila williamsii Maxon | Synonym |  | TRO | 
	
		| Alsophila woodlarkensis Copel. | Unresolved |  | IPNI | 
	
		| Alsophila woodwardioides (Kaulf.) D.S. Conant | Accepted |  | TRO | 
	
		| Alsophila woolsiana F.Muell. | Unresolved |  | IPNI | 
	
		| Alsophila wrightii Underw. & Maxon | Unresolved |  | IPNI | 
	
		| Alsophila xanthina (Domin) C. Chr. | Accepted |  | TRO | 
	
		| Alsophila xantholepia Alderw. | Unresolved |  | TRO | 
	
		| Alsophila xantholepis H. Christ ex Diels | Synonym |  | TRO | 
	
		| Alsophila zakamenensis (Tardieu) R.M. Tryon | Synonym |  | TRO | 
	
		| Alsophila zenkeri Hieron. ex Diels | Unresolved |  | IPNI | 
	
		| Alsophila zenkeri Hieron. | Unresolved |  | IPNI |