Polypodium phegopteris var. robertianum (Hoffm.) Lej. variety synonym

Polypodium dryopteris var. calcareum (Sm.) Rupr. variety synonym

Polypodium dryopteris var. calcareum Wahlenb. variety synonym

Polypodium phegopteris var. calcareum (Sm.) Lej. variety synonym

Polypodium disjunctum var. erectum G.Lawson variety synonym

Lastrea robertiana var. longula (Christ) Ohwi variety synonym

Gymnocarpium altaicum Chang Y.Yang species synonym

Aspidium crameri Christ species synonym

Polypodium pulchellum Salisb. species heterotypic synonym

Dryopteris continentalis (Petrov) Fomin species synonym

Thelypteris remotepinnata (Hayata) Alston species synonym

Thelypteris remotipinnata (Hayata) Alston species synonym

Polypodium dryopteris var. calcareum (Sm.) A.Gray variety synonym

Thelypteris robertiana (Hoffm.) Sloss. ex Rydb. species synonym

Dryopteris dryopteris (L.) Christ species synonym

Phegopteris dryopteris (L.) Bedd. species synonym

Carpogymnia jessoensis (Koidz.) Á.Löve & D.Löve species synonym

Currania oyamensis var. incisa (Franch. & Sav.) Koidz. variety synonym

Dryopteris obtusiloba (Schrank) Schwarz species synonym

Lastrea jessoensis (Koidz.) Akasawa species synonym

Polypodium dryopteris var. glandulosum Neilr. variety synonym

Polypodium krameri var. incisum Franch. & Sav. variety synonym

Aspidium gymnogrammoides (Baker) Christ species synonym

Aspidium robertianum (Hoffm.) Luerss. species synonym

Gymnocarpium robertianum var. longulum (Christ) H.Itô ex Nakai variety synonym

Polypodium dryopteris var. robertianum (Hoffm.) Baker variety synonym

Currania oyamensis var. gracilipes (Copel.) Tagawa variety synonym

Polypodium triangulare Dulac species heterotypic synonym

Carpogymnia heterospora Kallio, Laine & Makinen species synonym

Gymnocarpium puchellum (Salisb.) species accepted

Gymnocarpium xintermedium Sarvela species synonym

Phegopteris dryopteris subsp. robertiana (Hoffm.) Hensl. subspecies synonym

Lastrea dryopteris var. robertiana (Hoffm.) Lawalrée variety synonym

Polypodium dryopteris subsp. robertianum (Hoffm.) Hartm. subspecies synonym

Phegopteris dryopteris subsp. calcarea (Sm.) Bonnier & Layens subspecies synonym

Polypodium dryopteris subsp. robertianum (Hoffm.) Corb. subspecies synonym

Gymnocarpium continentale x robertianum species synonym

Gymnocarpium dryopteris × robertianum species accepted

Gymnocarpium continentale x dryopteris species synonym

Gymnocarpium dryopteris x robertianum species synonym

Gymnocarpium continentale × robertianum species accepted

Gymnocarpium continentale × dryopteris species accepted

Dryopteris dominicensis Christ species heterotypic synonym

Gymnocarpium remotipinnatum (Hayata) Ching species synonym

Polypodium dryopteris var. minus DC. variety synonym

Polypodium dryopteris var. glabrum Neilr. variety synonym

Phegopteris dryopteris subsp. robertiana (Hoffm.) Krok subspecies synonym

Gymnocarpium robertianum (Hoffm.) Ching species synonym

Polypodium cognatum Gand., 1884 species synonym

Lastrea robertiana (Hoffm.) Newn. species synonym

Gymnocarpium ×heterosporum V.H.Wagner species accepted

Polypodium frigidum Gand., 1884 species synonym

Phegopteris calcareum Sm. species synonym

Gymnocarpium brittonianum (Sarvela) Sarvela species synonym

Carpogymnia robertiana (Hoffm.) Á.Löve & D.Löve species synonym

Carpogymnia oyamensis (Baker) Á.Löve & D.Löve species synonym

Carpogymnia dryopteris var. pumila (DC.) B.Boivin variety synonym

Carpogymnia dryopteris var. disjuncta (Rupr.) B.Boivin variety synonym

Carpogymnia continentalis (Petrov) Á.Löve & D.Löve species synonym

Carpogymnia disjuncta (Rupr.) Á.Löve & D.Löve species synonym

Gymnocarpium dryopteris subsp. brittonianum Sarvela subspecies synonym

Gymnocarpium remotum Ching species synonym

Gymnocarpium oyamense var. kusamae H.Itô variety synonym

Gymnocarpium oyamense var. gracilipes (Copel.) W.C.Shieh variety synonym

Gymnocarpium obtusifolium (Schrank) O.Schwarz species synonym

Gymnocarpium longulum (Christ) Kitag. species synonym

Gymnocarpium jessoense subsp. parvulum Sarvela subspecies synonym

Gymnocarpium gracilipes (Copel.) Ching species synonym

Gymnocarpium fedtschenkoanum Pojark. species accepted

Gymnocarpium dryopteris f. glandulosa (R.M.Tryon) Soper form synonym

Gymnocarpium continentale (Petrov) Pojark. species accepted

Gymnocarpium ×bipinnatifidum Miyam. species accepted

Polystichum dryopteris (L.) Roth species synonym

Nephrodium krameri (Franch. & Sav.) Diels species synonym

Nephrodium gymnogrammoides (Baker) Diels species synonym

Nephrodium dryopteris (L.) Michx. species synonym

Nephrodium robertianum (Hoffm.) Prantl species synonym

Phegopteris krameri (Franch. & Sav.) Makino species synonym

Phegopteris gymnogrammoides (Baker) Alderw. species synonym

Lastrea calcarea (Sm.) Bory species synonym

Lastrea obtusifolia (Schrank) Janch. species synonym

Phegopteris dryopteris var. robertiana (Hoffm.) Davenp. variety synonym

Phegopteris dryopteris var. minor Farw. variety synonym

Phegopteris dryopteris f. interrupta Jewell form synonym

Phegopteris dryopteris f. erecta (G.Lawson) M.Broun form proparte synonym

Phegopteris dryopteris var. disjuncta (Rupr.) Trel. variety synonym

Phegopteris triangularis St.-Lag. species synonym

Phegopteris calcarea (Sm.) Fée species synonym

Phegopteris oyamensis (Baker) Alderw. species synonym

Lastrea dryopteris (L.) Bory species synonym

Gymnocarpium ehrenbergiana Klotzsch species doubtful

Gymnocarpium dryopteris (L.) Ching species synonym

Gymnocarpium robertianum subsp. longulum (Christ) Toyok. subspecies synonym

Polypodium disjunctum Rupr. species synonym

Aspidium dryopteris var. longulum Christ variety synonym

Aspidium krameri (Franch. & Sav.) Christ species synonym

Gymnocarpium tenuipes Pojark. & Shmakov species synonym

Gymnocarpium disjunctum (Rupr.) Á.Löve & D.Löve species synonym

Dryopteris disjuncta subsp. calcarea (Sm.) Rouy subspecies synonym

Currania robertiana (Hoffm.) Wherry species synonym

Currania oyamensis (Baker) Copel. species synonym

Currania dryopteris (L.) Wherry species synonym

Currania gracilipes Copel. species synonym

Polypodium gymnogrammoides Baker species synonym

Polypodium robertianum Hoffm. species synonym

Polypodium oyamense Baker species synonym

Polypodium conjunctum Schur species synonym

Polypodium obtusifolium Schrank species synonym

Polypodium krameri Franch. & Sav. species synonym

Polypodium calcareum Sm. species synonym

Polypodium dryopteris var. robertianum (Hoffm.) Ledeb. variety synonym

Polypodium dryopteris var. rigidius Hook. variety synonym

Polypodium dryopteris var. pumilum DC. variety synonym

Polypodium dryopteris var. genuinum Ledeb. variety synonym

Polypodium dryopteris var. erectum G.Lawson variety synonym

Polypodium dryopteris var. disjunctum Rupr. variety synonym

Polypodium disjunctum (Rupr.) Schur species synonym

Dryopteris oyamensis (Baker) C.Chr. species synonym

Dryopteris obtusifolia (Schrank) O.Schwarz species heterotypic synonym

Dryopteris triangularis Herter species synonym

Dryopteris disjuncta f. glandulosa (R.M.Tryon) Cody form synonym

Dryopteris disjuncta f. erecta (G.Lawson) Roland form proparte synonym

Dryopteris continentalis Petrov. species synonym

Dryopteris linneana f. glandulosa R.M.Tryon form synonym

Dryopteris linnaeana var. disjuncta (Rupr.) Fomin variety synonym

Dryopteris jessoensis Koidz. species synonym

Dryopteris remotipinnata Hayata species synonym

Dryopteris remota Hayata species heterotypic synonym

Dryopteris pumila V.Krecz species synonym

Dryopteris pulchella var. continentalis Petrov variety synonym

Dryopteris heterospora (W.H.Wagner) Kuvaev species synonym

Dryopteris gymnogrammoides (Baker) C.Chr. species synonym

Dryopteris gracilipes (Copel.) C.Chr. species synonym

Dryopteris genuflexa Rosenst. species synonym

Phegopteris dryopteris subsp. disjunctum (Rupr.) C.V.Morton subspecies synonym

Carpogymnia dryopteris (L.) Á.Löve & D.Löve species synonym

Gymnocarpium dryopteris subsp. dryopteris subspecies synonym

Gymnocarpium oyamense (Baker) Ching species accepted

Polypodium dryopteris L. species synonym

Dryopteris pulchella (Salisb.) Hayek species synonym

Phegopteris dryopteris subsp. dryopteris subspecies synonym

Gymnocarpium remotepinnatum (Hayata) Ching species accepted

Dryopteris linnaeana C.Chr. species synonym

Dryopteris dryopteris (L.) Britton species synonym

Thelypteris dryopteris (L.) Sloss. species synonym

Dryopteris robertiana (Hoffm.) C.Chr. species synonym

Dryopteris disjuncta (Rupr. ex Schur) C.V.Morton species synonym

Thelypteris robertiana (Hoffm.) Sloss. species synonym

Gymnocarpium dryopteris var. dryopteris variety synonym

Lastraea dryopteris (Linnaeus) Bory species synonym

Phegopteris robertiana (Hoffm.) Fée species synonym

Gymnocarpium jessoensis (Koidz.) Koidz. species synonym

Aspidium dryopteris (L.) Baumg. species synonym

Polypodium fagetorum Gand., 1884 species synonym

Filix pumila Gilib. species synonym

Dryopteris disjuncta f. erecta (G.Lawson) Roland form proparte synonym

Phegopteris dryopteris f. erecta (G.Lawson) M.Broun form proparte synonym

Gymnocarpium dryopteris (L.) Newman species accepted

Phegopteris dryopteris (L.) Fée species synonym

Gymnocarpium ×brittonianum (Sarvela) Pryer & Haufler species accepted

Gymnocarpium ×heterosporum W.H.Wagner species synonym

Gymnocarpium ×intermedium Sarvela species accepted

Gymnocarpium ×achriosporum Sarvela species accepted

Gymnocarpium robertianum (Hoffm.) Newman species accepted

Phegopteris robertiana (Hoffm.) A.Braun ex Asch. species synonym

Gymnocarpium dryopteris var. pumilum (DC.) B.Boivin variety synonym

Gymnocarpium disjunctum (Rupr.) Ching species accepted

Gymnocarpium dryopteris subsp. disjunctum (Rupr.) Sarvela subspecies synonym

Gymnocarpium jessoense (Koidz.) Koidz. species accepted

Gymnocarpium appalachianum Pryer & Haufler species accepted

Polypodium vulgare var. disjunctum Rupr. variety synonym

Gymnocarpium oyamense subsp. gracilipes W.C.Shieh subspecies synonym

Polypodium krameri subsp. incisum Franch. & Sav. subspecies synonym

Lastrea dryopteris (L.) Newman species synonym

Currania oyamensis subsp. gracilipes (Copel.) Tagawa subspecies synonym

Phegopteris robertiana (Hoffm.) A.Braun species synonym

Gymnocarpium oyamense var. kusamii H.Ito variety synonym

Dryopteris linnaeana f. glandulosa R.M.Tryon form synonym

Polypodium dryopteris subsp. calcareum (Sm.) Berher subspecies synonym

Polypodium dryopteris var. calcareum (Sm.) Hampe variety synonym

Gymnocarpium robertianum var. longulum (Christ) H.Itô variety homotypic synonym

Aspidium calcareum (Sm.) Baumg. species heterotypic synonym

Polypodium dryopteris var. disjunctum Ledeb. variety synonym

Lastrea robertiana (Hoffm.) Newman species synonym

Dryopteris linnaeana var. jessoensis (Koidz.) C.Chr. variety synonym

Dryopteris remotepinnata Hayata species synonym

Gymnocarpium dryopteris var. disjunctum (Rupr.) Ching variety synonym