Ophioglossum madhusoodananii Sojan, V.S.A.Kumar, Sindhu Arya, V.Suresh, L.Leeja & Alen Alex species accepted

Ophioglossum trilokinathii B.L.Yadav, Meghvansi, Meena & Gena species accepted

Haukia opaca (R.Br. ex Carmich.) Li Bing Zhang & Liang Zhang species synonym

Haukia tuberosa (Hook. & Arn.) Li Bing Zhang & Liang Zhang species synonym

Ophioglossum konkanensis S.Patil & M.Dongare species synonym

Goswamia costata (R.Br.) Li Bing Zhang & Liang Zhang species synonym

Ophioglossum vulgatum var. aitchisonii C.B.Clarke variety synonym

Ophioglossum aitchisonii (C.B.Clarke) J.F.R.Almeida species synonym

Goswamia trilokinathii (B.L.Yadav, Meghvansi, Meena & Gena) Li Bing Zhang & Liang Zhang species synonym

Haukia crotalophoroides (Walter) Li Bing Zhang & Liang Zhang species synonym

Goswamia hitkishorei (M.Patel & M.N.Reddy) Li Bing Zhang & Liang Zhang species synonym

Goswamia gujaratensis (S.M.Patil, R.N.Kachh., R.S.Patel & K.S.Rajput) Li Bing Zhang & Liang Zhang species synonym

Goswamia gomeziana (Welw. ex A.Braun) Li Bing Zhang & Liang Zhang species synonym

Goswamia raphaeliana (Anto, Afs.Khan, F.Francis & I.Antony) Li Bing Zhang & Liang Zhang species synonym

Goswamia isanensis (Petchsri, Li Bing Zhang & Jaruwatt.) Li Bing Zhang & Liang Zhang species synonym

Goswamia indica (B.L.Yadav & H.K.Goswami) Li Bing Zhang & Liang Zhang species synonym

Ophioglossum sandieae J.E.Burrows species accepted

Ophioglossum azoricum C.Presl species accepted

Ophioglossum moluccanum f. complicatum Miq. form synonym

Ophioglossum indicum Khandelwal species synonym

Ophioglossum thermale var. bucharicum (O.Fedtsch. & B.Fedtsch.) H.P.Fuchs variety synonym

Ophioglossum thermale var. nipponicum (Miyabe & Kudô) Nishida variety synonym

Ophioglossum nudicaule L.fil. species accepted

Ophioglossum nudicaule Thunb. species heterotypic synonym

Ophioglossum pumilio E.P.St.John ex Small species synonym

Ophioglossum vulgare var. aitchisonii C.B.Clarke variety synonym

Ophioglossum vulgatum var. crotalophoroides (Walter) D.C.Eaton variety synonym

Ophioglossum moluccanum f. dilatatum Miq. form synonym

Ophioglossum spicatum Stokes species synonym

Ophioglossum polyphyllum A.Braun species doubtful

Ophioglossum balansae C.Chr. species doubtful

Ophioglossum vulgatum var. thermale (Kom.) C.Chr. variety synonym

Ophioglossum lanceolatum Watelet, 1858 species accepted

Ophioglossum polyphyllum A.Braun ex Schub. species doubtful

Ophioglossum vulgatum subsp. minimum (Hook.fil.) Hook.fil. subspecies synonym

Ophioglossum mononeuron E.P.St.John ex Small species synonym

Ophioglossum vulgatum var. gramineum (Willd.) Hook.fil. variety synonym

Ophioglossum aulgatum Michx. species doubtful

Ophioglossum capense var. nudicaule (L.fil.) Schltdl. variety proparte synonym

Ophioglossum capense var. regulare Schltdl. variety synonym

Ophioglossum gomezianum Welw. species homotypic synonym

Ophioglossum reticulatum f. complicatum (Miq.) Wieff. form synonym

Ophioglossum bulbosum Michx. species heterotypic synonym

Ophioglossum vulgatum var. polyphyllum (A.Braun ex Seub.) Milde variety heterotypic synonym

Ophioglossum vulgatum var. reticulatum (L.) Luerss. variety synonym

Ophioglossum lusitanicum Lour. species synonym

Ophioglossum gracillimum Welw. species synonym

Ophioglossum melipillense Gay species doubtful

Ophioglossum vulgatum var. macrophyllum Rouy variety synonym

Ophioglossum vulgatum var. ambiguum Coss. & Germ. variety synonym

Ophioglossum lusitanicum var. latifolium Rouy variety synonym

Ophioglossum vulgatum var. lusitanicum (L.) Hook. & Arn. variety synonym

Ophioglossum minimum Nadeaud, 1873 species synonym

Ophioglossum vulgatum subsp. lusitanicum (L.) Hook.fil. subspecies synonym

Ophioglossum lusitanicum var. longepedunculum Rouy variety synonym

Ophioglossum vulgatum subsp. ambiguum (Coss. & Germ.) E.F.Warb. subspecies synonym

Ophioglossum vulgatum var. microphyllum Rouy variety synonym

Ophioglossum raphaelianum Anto, Afs.Khan, F.Francis & I.Antony species accepted

Ophioglossum vulgatum subsp. lusitanicum Bonnier & Layens subspecies synonym

Ophioglossum inconspicuum f. majus Alderw. form synonym

Ophioglossum lusitanicum f. longipedunculatum Rouy form synonym

Ophioglossum lusitanicum f. latifolium Rouy form synonym

Ophioglossum vulgatum f. dilatatum (Miq.) Wieff. form synonym

Ophioglossum vulgatum var. macrorrhizum (Kunze) Luerss. variety synonym

Ophioglossum malviae M.Patel & M.N.Reddy species accepted

Ophioglossum reticulatum var. usteriana L. variety synonym

Ophioglossum reticulatum var. cordatum (L.) Fée variety synonym

Ophioglossum gujaratense S.M.Patil, R.N.Kachh., R.S.Patel & K.S.Rajput species accepted

Ophioglossum azoricum x Ophioglossum vulgatum species synonym

Ophioglossum aletum M.Patel, M.N.Reddy & H.K.Goswami species synonym

Ophioglossum hitkishorei M.Patel & M.N.Reddy species accepted

Ophioglossum vulgatum subsp. bucharicum O.Fedtsch. & B.Fedtsch. subspecies synonym

Ophioglossum lusitanicum var. gracillimum (Welw. ex Hook. & Baker) A.Braun ex Kuhn variety synonym

Ophioglossum loureiroanum C.Presl species synonym

Ophioglossum thermale subsp. bucharicum (O.Fedtsch. & B.Fedtsch.) H.P.Fuchs subspecies synonym

Ophioglossum surinamense Rchb., 1828 species synonym

Ophioglossum jaykrishnae S.M.Patil, S.K.Patel, Raole & K.S.Rajput species accepted

Ophioglossum pumilum v.A.v.R. species synonym

Ophioglossum lusitanicum var. coriaceum Chinnock variety synonym

Ophioglossum ellipticum Welw. ex Carruth. species heterotypic synonym

Ophioglossum reticulatum f. dilatatum (Miq.) Wieff. form synonym

Ophioglossum indicum B.L.Yadav & H.K.Goswami species accepted

Ophioglossum yongrenense Ching species homotypic synonym

Ophioglossum ×pseudoazoricum Peruzzi, Pierini, Magrini, Marchetti & Viane species accepted

Ophioglossum crotalophoroides var. nanum Osten variety synonym

Ophioglossum simplex Ridley species accepted

Ophioglossum rubellum Welw. species homotypic synonym

Ophioglossum ×pierinii Peruzzi, Magrini, Marchetti & Viane species accepted

Ophioglossum lusoafricanum Welw. species doubtful

Ophioglossum capense Sw. species heterotypic synonym

Ophioglossum ovatum Bory species synonym

Ophioglossum nipponicum Miyabe & Kudô species synonym

Ophioglossum pinnatum Lam. species doubtful

Ophioglossum litorale Makino species synonym

Ophioglossum gramineum var. majus (Alderw.) Wieff. variety synonym

Ophioglossum rubellum Welw. ex A.Braun species accepted

Cheiroglossa louisii (Taton) Pic.Serm. species synonym

Ophioglossum vulgatum var. bucharicum O.Fedtsch. & B.Fedtsch. variety synonym

Ophioglossum opacum R.Br. species accepted

Ophioglossum dendroneuron E.P.St.John ex Small species synonym

Ophioglossum gramineum Willd. species accepted

Ophioglossum aphrodisiacum Welw. ex Hook. species synonym

Ophioglossum japonicum Prantl species heterotypic synonym

Ophioglossum vulgatum f. pseudopodum S.F.Blake form synonym

Ophioglossum vulgatum var. engelmannii (Prantl) G.Tilton variety synonym

Ophioglossum lusitanicum var. lusitanicum variety synonym

Ophioglossum floridanum E.P.St.John species synonym

Ophioglossum moluccanum Schltdl. species synonym

Ophioglossum pedunculosum var. australasiaticum (Luerss.) C.Chr. variety synonym

Ophioglossum gomezianum var. latifolium Prantl variety synonym

Ophioglossum luerssenii Prantl species synonym

Rhizoglossum kawamurae (Tagawa) M.Nishida species synonym

Goswamia eliminata (Khand. & H.K.Goswami) Li Bing Zhang & Liang Zhang species synonym

Goswamia malviae (M.Patel & M.N.Reddy) Li Bing Zhang & Liang Zhang species synonym

Ophioglossum tenerum Mett. ex Prantl species proparte synonym

Ophioglossum capense var. nudicaule (L.fil.) Schltdl. variety proparte synonym

Ophioglossum vulgatum f. cuspidatum Milde form proparte synonym

Ophioglossum cognatum C.Presl species proparte synonym

Ophioglossum lusitanicum L. species accepted

Ophioglossum petiolatum Hook. species accepted

Ophioglossum engelmannii Prantl species accepted

Ophioglossum vulgatum L. species accepted

Ophioglossum crotalophoroides Walter species accepted

Ophioglossum reticulatum L. species accepted

Ophioglossum pusillum Raf. species accepted

Ophioglossum vulgatum var. pseudopodum (S.F.Blake) Farw. variety synonym

Ophioglossum ellipticum Hook. & Grev. species heterotypic synonym

Ophioglossum mononeuron E.P.St.John species synonym

Ophioglossum dendroneuron E.P.St.John species synonym

Ophioglossum concinnum Brack. species synonym

Ophioglossum californicum Prantl species accepted

Ophioglossum lusitanicum subsp. californicum (Prantl) R.T.Clausen subspecies synonym

Ophioglossum lusitanicum var. britannicum Legrand variety synonym

Ophioglossum vulgatum subsp. thermale (Kom.) C.Chr. subspecies synonym

Ophioglossum nudicaule J.P.Roux species synonym

Ophioglossum vulgatum DeVol species synonym

Ophioglossum rabellum Welw. & A.Br. species doubtful

Ophioglossum chaloneri H.K.Goswami, M.Patel & K.K.Nag species synonym

Ophioglossum vulgatum subsp. ambiguum Coss. & Germ. subspecies synonym

Ophioglossum vulgatum subsp. polyphyllum E.F.Warb. subspecies synonym

Ophioglossum lancifolium Schelpe & N.C.Anthony species synonym

Ophioglossum vulgatum var. ambiguum (Cosson & Germ.) E.Warb variety synonym

Ophioglossum isanense Petchsri, Li Bing Zhang & Jaruwatt. species accepted

Whittieria engelmannii (Prantl) Li Bing Zhang & Liang Zhang species synonym

Ophioglossum moluccanum f. pumilum Racib. form proparte synonym

Ophioglossum ellipticum Welw. species homotypic synonym

Ophioglossum aphrodisiacum Welw. species homotypic synonym

Ophioglossum elongatum R.Cunn. species homotypic synonym

Ophioglossum ×giovanninii Peruzzi, Pierini, Magrini, Marchetti & Viane species accepted

Ophioglossum gracile J.E.Burrows ex Pocock species accepted

Ophioglossum grayi Beck species doubtful

Ophioglossum lusitanicum var. californicum (Prantl) M.Broun variety synonym

Ophioglossum louisii Taton species accepted

Ophioglossum lineare Schltr. & Brause species accepted

Ophioglossum regulare (Schltdl.) C.Chr. species synonym

Ophioglossum latifolium (Prantl) J.E.Burrows species accepted

Ophioglossum ramosii Copel. species synonym

Ophioglossum lancifolium C.Presl species accepted

Ophioglossum raciborskii Alderw. species synonym

Ophioglossum lanceolatum (Luerss.) Prantl species synonym

Ophioglossum kawamurae Tagawa species accepted

Ophioglossum pumilum (Racib.) Alderw. species synonym

Ophioglossum inconspicuum (Racib.) Alderw. species synonym

Ophioglossum pumilio E.P.St.John species synonym

Ophioglossum holm-nielsenii B.Øllg. species synonym

Ophioglossum harrisii Underw. species accepted

Ophioglossum pubescens Raf. species doubtful

Ophioglossum gregarium Christ species synonym

Ophioglossum prantlii C.Chr. species synonym

Ophioglossum polyphyllum A.Braun ex Seubert species accepted

Ophioglossum gramineum R.Br. species heterotypic synonym

Ophioglossum peruvianum C.Presl species synonym

Ophioglossum gracillimum Welw. ex Hook. & Baker species accepted

Ophioglossum gracile Pocock ex J.E.Burrows species synonym

Ophioglossum gomezianum Welw. ex A.Braun species accepted

Ophioglossum pedunculosum Desv. species synonym

Ophioglossum pedunculatum (Desv.) Nakai species synonym

Ophioglossum floridanum f. reticulosum E.P.St.John form synonym

Ophioglossum parvum M.Nishida & Kurita species accepted

Ophioglossum yongrenense Ching ex Z.R.He & W.M.Chu species accepted

Ophioglossum floridanum f. favosum E.P.St.John form synonym

Ophioglossum parvifolium Hook. & Grev. species accepted

Ophioglossum wightii Hook. & Grev. species synonym

Ophioglossum vulgatum var. typicum Wherry variety synonym

Ophioglossum vulgatum var. surinamense Luerss. variety synonym

Ophioglossum fibrosum Schumach. species synonym

Ophioglossum vulgatum var. reticulatum (L.) D.C.Eaton variety synonym

Ophioglossum fernandezianum C.Chr. species accepted

Ophioglossum felixii Tardieu species synonym

Ophioglossum vulgatum f. pusillum (Raf.) House form synonym

Ophioglossum vulgatum var. prantlii (C.Chr.) W.R.B.Oliv. variety synonym

Ophioglossum elongatum R.Cunn. ex A.Cunn. species synonym

Ophioglossum vulgatum var. pedunculosum (Desv.) Domin variety synonym

Ophioglossum vulgatum var. nudicaule (L.fil.) D.C.Eaton variety synonym

Ophioglossum vulgatum var. minutum F.M.Bailey variety synonym

Ophioglossum eliminatum Khand. & Goswamy species accepted

Ophioglossum vulgatum var. minimum Hook.fil. variety synonym

Ophioglossum ekmanii C.Chr. species synonym

Ophioglossum vulgatum var. luerssenii (Prantl) Domin variety synonym

Ophioglossum vulgatum var. lanceolatum Luerss. variety heterotypic synonym

Ophioglossum dietrichiae Prantl species synonym

Ophioglossum vulgatum f. engelmannii (Prantl) Clute form synonym

Ophioglossum decipiens Poirault. species doubtful

Ophioglossum cuspidatum Milde species synonym

Ophioglossum cumingianum C.Presl species synonym

Ophioglossum ovatum Salisb. species synonym

Ophioglossum crotalophoroides subsp. typicum R.T.Clausen subspecies synonym

Ophioglossum vulgatum var. costatum (R.Br.) Hook.fil. variety synonym

Ophioglossum vulgatum var. australasiaticum Luerss. variety synonym

Ophioglossum crotalophoroides var. opacum (Carmich.) J.S.Licht. variety synonym

Ophioglossum opacum R.Br. ex Carmich. species doubtful

Ophioglossum oleosum Khand. species synonym

Ophioglossum obovatum Miq. species synonym

Ophioglossum oblongum H.G.Zhou & H.Li species accepted

Ophioglossum nudicaule var. vulcanicum R.T.Clausen variety synonym

Ophioglossum costatum R.Br. species accepted

Ophioglossum nudicaule var. typicum R.T.Clausen variety synonym

Ophioglossum coriaceum A.Cunn. species accepted

Ophioglossum nudicaule var. robustum J.S.Licht. variety synonym

Ophioglossum cordifolium Roxb. species synonym

Ophioglossum nudicaule var. macrorrhizum (Kunze) R.T.Clausen variety synonym

Ophioglossum convexum J.E.Burrows species accepted

Ophioglossum usterianum Christ species synonym

Ophioglossum cognatum C.Presl species proparte synonym

Ophioglossum tuberosum Hook. & Arn. species synonym

Ophioglossum caroticaule J.E.Burrows species accepted

Ophioglossum timorense Miq. species synonym

Ophioglossum capense Schltdl. species heterotypic synonym

Ophioglossum nipponicum Nakai, 1925 species accepted

Ophioglossum thomasii R.T.Clausen species accepted

Ophioglossum thermale Kom. species accepted

Ophioglossum namegatae Nish. & Kurita species accepted

Ophioglossum bulbosum Bedd. species heterotypic synonym

Ophioglossum monitoni Copel. species doubtful

Ophioglossum tapinum Peter species synonym

Ophioglossum bucharicum (O.Fedtsch. & B.Fedtsch.) O.Fedtsch. & B.Fedtsch. species synonym

Ophioglossum stipatum Colla species synonym

Ophioglossum brevipes Bedd. species synonym

Ophioglossum moluccanum f. inconspicuum Racib. form synonym

Ophioglossum braunii Prantl species synonym

Ophioglossum minimum (Hook.fil.) J.B.Armstr. species synonym

Ophioglossum schmidii Kunze species synonym

Ophioglossum austroasiaticum M.Nishida species accepted

Ophioglossum schlechteri Brause species synonym

Ophioglossum melipillense J.Rémy species accepted

Ophioglossum scariosum R.T.Clausen species accepted

Ophioglossum macrorrhizum Kunze species synonym

Ophioglossum angustatum Maxon species synonym

Ophioglossum lusoafricanum Welw. ex Prantl species accepted

Ophioglossum ammophilum C.D.Adams species accepted

Ophioglossum lusitanicum var. gracillimum (Welw. ex Hook. & Baker) A.Br. variety synonym

Ophioglossum lusitanicum subsp. coriaceum (A.Cunn.) R.T.Clausen subspecies synonym

Ophioglossum savatieri Nakai species synonym

Ophioglossum sarmentosum L. species doubtful

Ophioglossum aitchisonii d'Almeida species doubtful

Ophioglossum richardsiae J.E.Burrows species synonym

Ophioglossum reticulatum var. polyangium Christ variety synonym

Ophioglossum loureirianum C.Presl species accepted

Ophioglossum reticulatum var. acutius Christ variety synonym