Cystopteris regia var. alpina (Lam.) W.D.J.Koch variety synonym

Athyrium bulbiferum (L.) Spreng. species heterotypic synonym

Cystopteris ×tennesseensis subsp. utahensis (Windham & Haufler) Windham subspecies synonym

Cystopteris fragilis var. emarginatodenticulata (Fomin) Fomin variety synonym

Cystopteris fragilis var. canariensis (C.Presl ex Milde) Christ ex Jahand. & Maire variety synonym

Cystopteris fragilis var. canariensis (C.Presl ex Milde) Christ variety homotypic synonym

Cystopteris ×tennesseensis subsp. laurentiana (Weath.) Windham subspecies synonym

Filix douglasii (Hook.) W.J.Rob. species synonym

Cystopteris sudetica var. vulgaris Milde variety synonym

Cystopteris fragilis var. baenitzii (Dörfl.) Asch. & P.Graebn. variety synonym

Cyste fragilis Dulac species proparte synonym

Cystopteris baenitzii Dörfl. species synonym

Cystopteris fragilis subsp. emarginato-denticulata (Fomin) Fomin subspecies synonym

Cystopteris silesiaca A.Braun ex Milde species synonym

Cystopteris fragilis subsp. canariensis (C.Presl) Christ subspecies synonym

Cystopteris fragilis var. apiiformis (Gand.) C.Chr. variety proparte synonym

Aspidium fragile var. fumarioides M.Martens & Galeotti variety synonym

Aspidium montanum (Lam.) Sw. species heterotypic synonym

Cystopteris fragilis subsp. alpina (Lam.) Hartm. subspecies synonym

Polypodium alpinum Lam. species heterotypic synonym

Athyrium bulbiferum (L.) A.A.Eaton species synonym

Cystopteris fragilis var. baenitzii (Dörfl.) Warnst. variety synonym

Aspidium viridulum Desv. species synonym

Cystopteris braunii Milde species synonym

Cystopteris sudetica var. moupinensis C.Chr. variety synonym

Athyrium montanum (Lam.) Röhl. ex Spreng. species heterotypic synonym

Cystopteris fragilis subsp. alpina (Lam.) Briq. subspecies synonym

Aspidium atomarium Willd. species synonym

Aspidium bulbiferum L. species synonym

Polypodium montanum Lam. species heterotypic synonym

Cystopteris atrovirens C.Presl species synonym

Cystopteris fragilis subsp. dickieana (R.Sim) Moore subspecies synonym

Cyste montana (Lam.) Dulac species synonym

Cystopteris sudetica var. platyphylla Milde variety synonym

Rhyzomatopteris montana (Lam.) A.P.Khokhr. species synonym

Rhyzomatopteris sudetica (A.Braun & Milde) A.P.Khokhr. species synonym

Cystopteris regia var. dickieana (R.Sim) Druce variety synonym

Cystopteris fragilis subsp. canariensis (C.Presl ex Milde) Jahand. & Maire subspecies synonym

Cystopteris montana (Lam.) Bernh. species accepted

Cystopteris fragilis var. angustata (Hoffm.) Godet, 1852 variety synonym

Cystopteris fragilis subsp. dickieana (R.Sim) Hook.fil. subspecies synonym

Cystopteris gureevae Stepanov species synonym

Cystopteris chinensis (Ching) X.C.Zhang & R.Wei species accepted

Cystopteris fragilis var. azorica (Fée) T.Moore variety synonym

Cystopteris fragilis subsp. dickieana (R.Sim) Fraser-Jenk. subspecies synonym

Cystopteris fragilis x montana species doubtful

Polypodium alpinum L. species synonym

Cystopteris fragilis x asplenium trichomanes species doubtful

Cystopteris filix-fragilis subsp. regia (L.) Jahand. & Maire subspecies synonym

Cystopteris alpina × fragilis species accepted

Cystopteris fragilis var. sempervirens (T.Moore) T.Moore variety synonym

Cystopteris filix-fragilis subsp. diaphana (Bory) Maire & Weiller subspecies synonym

Cystopteris fragilis var. simulans (Weath.) Mc Gregor variety synonym

Cystopteris alpina x fragilis species synonym

Cystopteris sempervirens T.Moore species synonym

Cystopteris alpina x Cystopteris fragilis species accepted

Cystopteris dalhousieana Fée, 1857 species accepted

Cystea alpina (Lam.) Bertol. species synonym

Cystopteris fragilis var. tenuis (Michx.) Farw. variety synonym

Athyrium montanum (Lam.) Röhl. ex Speng. species synonym

Cystopteris filix-fragilis subsp. tenuis (Michx.) Farw. subspecies synonym

Cystopteris canariensis C.Presl ex Milde species synonym

Cystopteris fragilis var. regia (Sw.) H.C.Watson variety synonym

Cystopteris fragilis f. viridula (Desv.) Rouy form synonym

Filicula fragilis (L.) Farw. species synonym

Cystopteris fragilis subsp. tennesseensis (Shaver) Mc Gregor subspecies synonym

Cystopteris fragilis var. altaiensis (Gureeva) Stepanov variety proparte synonym

Cystopteris filix-fragilis subsp. mackayi (G.Lawson) Farw. subspecies synonym

Cyathea regia (L.) Roth, 1799 species synonym

Cystopteris fragilis subsp. pinnatipartita W.D.J.Koch subspecies synonym

Athyrium tenue (Michx.) A.A.Eaton species synonym

Cystopteris modesta Gand., 1884 species synonym

Aspidium tenue (Michx.) Sw. species heterotypic synonym

Cystopteris silesiaca A.Braun species homotypic synonym

Cyathea alpina (Lam.) Roth species heterotypic synonym

Aspidium pellucidum Franch. species synonym

Polypodium alpinum (Lam.) Jacq. species heterotypic synonym

Cystopteris allionii Newman species synonym

Cystopteris fragilis f. angustata (Hoffm.) Milde form synonym

Cystopteris filix-fragilis subsp. canariensis (C.Presl) Jahand. & Maire subspecies synonym

Cystopteris fragilis var. genuina Bernoulli variety synonym

Athyrium montanum (Lam.) Röhl. species homotypic synonym

Cystopteris alpina f. latilobum (Milde) Diklic & V.Nikolic form synonym

Cystopteris filix-fragilis subsp. alpina (Lam.) Jahand. & Maire subspecies synonym

Cystopteris editorum Gand., 1884 species synonym

Cystopteris dickeana R.Sim, 1848 species accepted

Cystopteris diaphana (Bory) Blasdell species accepted

Cystopteris deqinensis Z.R.Wang species synonym

Cystopteris comosa C.Presl species doubtful

Cystopteris ×christii Hahne species accepted

Cystopteris chilensis Fée species synonym

Cystopteris canariensis C.Presl species synonym

Cystopteris bulbifera var. horizontalis G.Lawson variety synonym

Cystopteris bulbifera f. flagelliformis (G.Lawson) M.Broun form synonym

Cystopteris bulbifera f. crispa H.L.Foster form synonym

Cystopteris baenitzii Dörfl. ex Samzelius, 1891 species synonym

Cystopteris azorica Fée species synonym

Cystopteris atrovirescens C.Presl species synonym

Cystopteris atomaria (Muhl.) C.Presl species synonym

Cystopteris apiiformis Gand. species accepted

Cystopteris altajensis Gureeva species synonym

Cystopteris alpina (Lam.) Desv. species accepted

Cystopteris almaatensis Kotukhov species synonym

Cystopteris alata Ching species synonym

Cystopteris acuta Fée species synonym

Cystopteris abyssinica Fée species synonym

Cystoathyrium chinense Ching species synonym

Cystea montana (Lam.) Watt species synonym

Cystea bulbifera Watt species synonym

Cystea alpina (Lam.) Sm. species synonym

Cystopteris villosa Fée, 1852 species accepted

Cystopteris ulei Christ species accepted

Cystopteris translucens Desv. species proparte synonym

Cystopteris tibetica Z.R.Wang species synonym

Cystopteris termale A.P.Khokhr. species accepted

Cystopteris fragilis subsp. montserratii (Prada & Salvo) Fraser-Jenk. subspecies synonym

Cystopteris tenuifolia Alderw. species accepted

Cystopteris taygetensis Heldr. & Sart. species synonym

Cystopteris tasmanica Hook. species accepted

Cystopteris tangutica Grubov species synonym

Cystopteris sudetica A.Braun & Milde species accepted

Cystopteris stipellata Alderw. species doubtful

Cystopteris sphaerocarpa Hayata species synonym

Cystopteris sikkimensis Ching ex Bir species synonym

Cystopteris sandwicensis Brack. species accepted

Filicula bulbifera (L.) Farw. species synonym

Cystopteris pseudoregia (Rivas Mart. et al.) Rivas Mart. species accepted

Cystopteris pellucida (Franch.) Ching species accepted

Cystopteris novae-zealandicae J.B.Armstr. species doubtful

Cystopteris nivalis (Pirotta) Pic.Serm. species synonym

Cystopteris myrrhidifolia (Vill. ex Gilib.) Newman species synonym

Cystopteris moupinensis Franch. species accepted

Cystopteris ×montserratii Prada & Salvo species accepted

Cystopteris modesta Ching species synonym

Cystopteris millefolia Mickel & Tejero species accepted

Cystopteris membranifolia Mickel species accepted

Cystopteris mairei Brause species synonym

Cystopteris maborasensis Masam. species doubtful

Cystopteris leucosoria Schur species synonym

Cystopteris guizhouensis X.Y.Wang & P.S.Wang species synonym

Cystopteris fumarioides Schott species heterotypic synonym

Rhizomatopteris sudetica (A.Braun & Milde) A.P.Khokhr. species synonym

Rhizomatopteris montana (Lam.) A.P.Khokhr. species synonym

Cystopteris fragilis var. translucens (Desv.) T.Moore variety proparte synonym

Cystopteris fragilis var. tasmanica (Hook.) Hook.fil. variety synonym

Filicula montana (Lam.) Farw. species synonym

Cystopteris fragilis subsp. pseudoregia Rivas Mart., T.E.Díaz, Fern.Prieto, Loidi & Penas subspecies synonym

Filicula douglasii (Hook.) Farw. species synonym

Cystopteris fragilis var. platychlaena T.Moore variety proparte synonym

Filicula bulbifera var. horizontalis (G.Lawson) Farw. variety synonym

Cystopteris fragilis var. nigrescens Hook. variety synonym

Cystopteris fragilis f. granulosa Bir & K.Trikha form synonym

Cystopteris fragilis subsp. eufragilis Asch. & Graebn. subspecies synonym

Cystopteris fragilis f. dickeana (R.Sim) B.Boivin form synonym

Cystopteris fragilis var. diaphana (Bory) Rosenst. variety synonym

Cystopteris viridula (Desv.) Desv. species synonym

Cystopteris fragilis var. apiformis (Gand.) Blasdell variety homotypic synonym

Cystopteris filix-fragilis var. tenuis (Michx.) Farw. variety synonym

Cystopteris emarginulata C.Presl species synonym

Cystopteris emarginatodenticulata Fomin species synonym

Nephrodium bulbiferum (L.) Michx. species synonym

Nephrodium alpinum (Lam.) Opiz species synonym

Nephrodium tenue Michx. species synonym

Nephrodium pellucidum (Franch.) Diels species synonym

Cystopteris fragilis var. dickieana (R.Sim) T.Moore variety synonym

Aspidium myrrhidifolium (Vill.) Chevall. species synonym

Cystopteris sudetica var. leptophylla Milde variety synonym

Aspidium atomarium Muhl. species synonym

Aspidium alpinum (Lam.) Willd. species synonym

Polypodium myrrhidifolium Vill. ex Gilib. species synonym

Polypodium diaphanum Bory species heterotypic synonym

Cystopteris fumarioides (C.Presl) Kunze species heterotypic synonym

Cystopteris sudetica var. moupinensis (Franch.) Blasdell variety synonym

Cyathea regia (L.) Forst ex Sym. species synonym

Athyrium alpinum (Lam.) Spreng. species synonym

Woodsia nivalis Pirotta species synonym

Woodsia laetevirens Prent. species synonym

Athyrium atomarium (Muhl.) C.Presl species synonym

Polypodium tenue (Michx.) Hoffm. species synonym

Polypodium alpinum Wulfen species synonym

Polypodium myrrhidifolium Vill. species synonym

Polypodium bulbiferum L. species synonym

Polypodium montium J.F.Gmel. species synonym

Dryopteris pellucida (Franch.) C.Chr. species synonym

Cystopteris bulbifera var. flagelliformis G.Lawson variety synonym

Cystopteris fragilis subsp. tenuifolia Clute subspecies synonym

Cystopteris fragilis f. simulans Weath. form synonym

Cystopteris fragilis f. protrusa (Weath.) Clute form synonym

Cystopteris fragilis subsp. diaphana (Bory) Litard. subspecies synonym

Cystopteris bulbifera f. bulbifera form synonym

Cystopteris fragilis f. fragilis form synonym

Asplenium diaphanum (Bory) Lojac. species synonym

Filix montana (Lam.) Underw. species heterotypic synonym

Filix bulbifera (L.) Underw. species synonym

Davallia triangularis Baker species synonym

Cystopteris prudens Gand., 1884 species synonym

Aspidium alpinum (Lam.) Sw. species synonym

Cystopteris filix-fragilis var. mackayi (G.Lawson) Farw. variety synonym

Aspidium bulbiferum (L.) Sw. species synonym

Cyathea incisa Sm. species synonym

Cyathea montana (Lam.) J.Sm. species synonym

Cyathea bulbifera (L.) Bernh. species synonym

Cystopteris alpina f. latiloba Milde form synonym

Cystopteris bulbifera (L.) Bernh. species accepted

Cystopteris tennesseensis Shaver species accepted

Cystopteris fragilis var. tennesseensis (Shaver) McGregor variety synonym

Cystopteris fragilis var. simulans (Weath.) McGregor variety synonym

Cystopteris douglasii Hook. species accepted

Cystopteris reevesiana Lellinger species accepted

Cystopteris fragilis var. tenuifolia (Clute) M.Broun variety synonym

Cystopteris ×wagneri R.C.Moran species accepted

Cystopteris montana (Lam.) Desv. species heterotypic synonym

Cystopteris protrusa (Weath.) Blasdell species accepted

Cystopteris fragilis var. protrusa Weath. variety synonym

Cystopteris ×illinoensis R.C.Moran species accepted

Cystopteris tenuis (Michx.) Desv. species accepted

Cystopteris fragilis var. mackayi G.Lawson variety synonym

Cystopteris laurentiana (Weath.) Blasdell species accepted

Cystopteris fragilis var. huteri (Hausman) Luerss. variety synonym

Cystopteris fragilis var. laurentiana Weath. variety synonym

Cystopteris fragilis (L.) Bernh. species accepted

Cystopteris dickieana R.Sim species accepted

Cystopteris fragilis var. woodsioides Christ variety synonym

Cystopteris fragilis subsp. dickieana (R.Sim) Hyl. subspecies synonym

Cystopteris utahensis Windham & Haufler species accepted

Cystopteris fragilis subsp. regia (Sw.) Vollm. subspecies synonym

Polypodium fragile subsp. angustatum Hoffm. subspecies synonym

Cystopteris regia (Sw.) C.Presl species synonym

Cystopteris fragilis var. canariensis (Willd. ex C.Presl) Milde variety synonym

Cystopteris fragilis subsp. tavelii H.Christ subspecies synonym

Cystopteris fragilis subsp. apiiformis C.Chr. subspecies synonym

Cystopteris fragilis subsp. alpina Hook.f. subspecies synonym

Cystopteris fragilis subsp. lobulatodentata Milde subspecies synonym

Cystopteris fragilis subsp. rupestris Neilr. subspecies synonym

Cyathea regia (L.) J.R.Forst. species synonym

Cystopteris sudetica subsp. moupinensis (Franch.) C.Chr. subspecies synonym

Cystopteris remoti-pinnata Ching species synonym

Aspidium fragile subsp. fumarioides M.Martens & Galeotti subspecies synonym

Cystopteris fragilis subsp. vulgaris Hook. subspecies synonym

Cystopteris fragilis var. alpina W.D.J.Koch variety synonym

Cystopteris fragilis subsp. mackayii G.Lawson subspecies synonym

Cystopteris fragilis subsp. eu-fragilis Syme subspecies synonym

Cystopteris fragilis subsp. angustata (Hoffm.) Link subspecies synonym

Cystea fragilis (L.) Bernh. species synonym

Cystopteris montana var. sudetica (A.Br. ex Milde) Warnst. variety synonym

Cystopteris fragilis subsp. woodsioides H.Christ subspecies synonym

Cystopteris ×vidae Fraser-Jenk. & Parris species accepted

Cystopteris fragilis var. alpina (Lam.) Döll variety synonym

Cystopteris montana f. glabrescens Zapal. form synonym

Cystopteris fragilis var. fumariiformis (W.D.J.Koch) Hegi variety synonym

Cystopteris regia var. fumariiformis W.D.J.Koch variety synonym

Cystopteris montana var. sudetica (A.Braun & Milde) Jess. variety synonym

Cystopteris sikkimensis Ching species homotypic synonym

Athyrium fumarioides C.Presl species synonym

Cystopteris fragilis var. dickieana (R.Sim) Lindb. variety homotypic synonym

Aspidium taygetense Bory species synonym