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Cystopteris fragilis subsp. fragilis   (redirected from: Nephrodium polymorphum Opiz)
Family: Cystopteridaceae [Aspidium dentatum Sw., moreAspidium fragile (L.) Sw., Aspidium fumarioides Presl, Aspidium rhaeticum Willd., Aspidium trifidum Sw., Asplenium filix-femina var. retusa (Decne.) C. B. Cl., Athyrium dentatum (Sw.) Gray, Athyrium filix-femina var. retusa (Decne.) Bedd., Athyrium fumaroides Presl, Athyrium pontederae Desv., Athyrium retusum (Decne.) Panigrahi, Athyrium rhaeticum Sadler, Cyathea anthriscifolia (Hoffm.) Roth, Cyathea cynapifolia (Hoffm.) Roth, Cyathea fragilis (L.) J. Sm., Cyclopteris dentata (Sw.) Gray, Cyclopteris fragilis (L.) Gray, Cyste fragilis (L.) Dulac, Cystea angustata (Hoffm.) Sm., Cystea dentata (Sw.) Sm., Cystea fragilis (L.) Sm., Cystopteris abyssinica Fée, Cystopteris acuta Fée, Cystopteris almaatensis Kotuchov, Cystopteris altajensis I.I. Gureeva, Cystopteris anthriscifolia Fomin, Cystopteris apiiformis Gand., Cystopteris azorica Fée, Cystopteris chilensis Fée, Cystopteris dentata (Sw.) Desv., Cystopteris emarginata Hook., Cystopteris emarginato-denticulata Fomin, Cystopteris emarginulata Presl, Cystopteris filix-fragilis subsp. fragilis (L.) Jahandiez & Maire, Cystopteris fragilis f. anthriscifolia (Hoffm.) W. D. J. Koch, Cystopteris fragilis f. furcata Hahne, Cystopteris fragilis f. himalayensis Bir & Trikha, Cystopteris fragilis f. magnasora Clute, Cystopteris fragilis subsp. pseudoregia Rivas Mart., T. E.Diaz, Fern.Prieto, Loidi & Penas, Cystopteris fragilis subsp. regia (L.) Bernoulli, Cystopteris fragilis subvar. woodsioides Christ, Cystopteris fragilis var. acutidentata Döll, Cystopteris fragilis var. altajensis (Gureeva) Stepanov, Cystopteris fragilis var. angustata (Hoffm.) Link, Cystopteris fragilis var. apiiformis (Gand.) Blasdell, Cystopteris fragilis var. aprica Stepanov, Cystopteris fragilis var. contorta Khullar, Cystopteris fragilis var. cristata Hopkins, Cystopteris fragilis var. dentata (Sw.) Hook., Cystopteris fragilis var. lobulatodentata Milde, Cystopteris fragilis var. macrosorifera Stepanov, Cystopteris fragilis var. pinnatipartita W. D. J. Koch, Cystopteris fragilis var. platychlaena T.Moore, Cystopteris fragilis var. pseudoathyrium Stepanov, Cystopteris fragilis var. regularis A.C.Schultz ex Lange, Cystopteris fragilis var. rupestris Neilr., Cystopteris fragilis var. translucens (Desv.) T.Moore, Cystopteris fragilis var. vulgaris Hook., Cystopteris laciniata Col., Cystopteris mexicana Fée, Cystopteris novae-zealandiae Armstr., Cystopteris polymorpha Bub., Cystopteris pontederae Link, Cystopteris pseudoregia (Rivas Mart. et al.) Rivas Mart., Cystopteris retusa Decne., Cystopteris rhaetica Link, Cystopteris translucens Desv., Davallia humilis Hook., Filicula filix-fragilis (L.) Farw., Filicula filix-fragilis var. angustata (Hoffm.) Farw., Filix fragilis (L.) Underw., Filix fragilis var. cristata (Hopkins) J.H.Schaffn., Filix fragilis var. dentata (Sw.) Underw., Microlepia humilis Presl, Nephrodium polymorphum Opiz, Polypodium album Lam., Polypodium anthriscifolium Hoffm., Polypodium cynapifolium Hoffm., Polypodium dentatum Dick., Polypodium filix-fragile L., Polypodium fragile L., Polypodium fragile var. angustatum Hoffm., Polypodium fumarioides Weis, Polypodium pontederae All., Polypodium regium L., Polypodium trifidum D. Don, Tectaria fragilis (L.) Lag., Garcia & Clem.]	Resources
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The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.

The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.