| Ophioglossum acuminatum Houtt. |
Unresolved |
 |
IPNI |
|
| Ophioglossum aitchisonii d'Almeida |
Unresolved |
 |
IPNI |
|
| Ophioglossum alaskanum E. Britton |
Synonym |
 |
TRO |
|
| Ophioglossum alpinum Rouy |
Unresolved |
 |
IPNI |
|
| Ophioglossum ammophilum C.D.Adams |
Unresolved |
 |
IPNI |
|
| Ophioglossum angustatum Maxon |
Unresolved |
 |
TRO |
|
| Ophioglossum arenarium E. Britton |
Unresolved |
 |
TRO |
|
| Ophioglossum aulgatum Michx. |
Unresolved |
 |
TRO |
|
| Ophioglossum austro-asiaticum M. Nishida |
Accepted |
 |
TRO |
|
| Ophioglossum austroasiaticum Nishida |
Unresolved |
 |
IPNI |
|
| Ophioglossum azoricum C. Presl |
Accepted |
 |
TRO |
|
| Ophioglossum balansae C. Chr. |
Unresolved |
 |
TRO |
|
| Ophioglossum bergianum Schltdl. |
Accepted |
 |
TRO |
|
| Ophioglossum braunii Prantl |
Synonym |
 |
TRO |
|
| Ophioglossum brevipes Bedd. |
Unresolved |
 |
IPNI |
|
| Ophioglossum bucharicum O. Fedtsch. & B. Fedtsch. |
Accepted |
 |
TRO |
|
| Ophioglossum bulbosum Michx. |
Unresolved |
 |
TRO |
|
| Ophioglossum californicum Prantl |
Accepted |
 |
TRO |
|
| Ophioglossum capense Sw. |
Unresolved |
 |
TRO |
|
| Ophioglossum capense var. regulare Schltdl. |
Synonym |
 |
TRO |
|
| Ophioglossum caroticaule J.E. Burrows |
Unresolved |
 |
TRO |
|
| Ophioglossum circinnatum Burm. f. |
Synonym |
 |
TRO |
|
| Ophioglossum cognatum C.Presl |
Unresolved |
 |
IPNI |
|
| Ophioglossum concinnum Brack. |
Accepted |
 |
TRO |
|
| Ophioglossum convexum J.E. Burrows |
Unresolved |
 |
TRO |
|
| Ophioglossum cordifolium Roxb. |
Unresolved |
 |
TRO |
|
| Ophioglossum coriaceum A. Cunn. |
Synonym |
 |
TRO |
|
| Ophioglossum costatum R. Br. |
Accepted |
 |
TRO |
|
| Ophioglossum crotalophoroides Walter |
Accepted |
 |
TRO |
|
| Ophioglossum cumingianum C.Presl |
Unresolved |
 |
IPNI |
|
| Ophioglossum cuspidatum Milde |
Unresolved |
 |
IPNI |
|
| Ophioglossum decipiens Poirault. |
Unresolved |
 |
IPNI |
|
| Ophioglossum dendroneuron E.P. St. John |
Accepted |
 |
TRO |
|
| Ophioglossum dietrichiae Prantl |
Unresolved |
 |
TRO |
|
| Ophioglossum dudadae Mickel |
Synonym |
 |
TRO |
|
| Ophioglossum ekmanii C. Chr. |
Unresolved |
 |
TRO |
|
| Ophioglossum eliminatum Khand. & Goswami |
Unresolved |
 |
TRO |
|
| Ophioglossum ellipticum Hook. & Grev. |
Accepted |
 |
TRO |
|
| Ophioglossum elongatum A.Cunn. |
Unresolved |
 |
IPNI |
|
| Ophioglossum engelmannii Prantl |
Accepted |
 |
TRO |
|
| Ophioglossum falcatum Fowler |
Unresolved |
 |
IPNI |
|
| Ophioglossum felixii Tardieu. |
Unresolved |
 |
IPNI |
|
| Ophioglossum fernandezianum C. Chr. |
Accepted |
 |
TRO |
|
| Ophioglossum fibrosum Schumach. |
Synonym |
 |
TRO |
|
| Ophioglossum filiforme Roxb. |
Synonym |
 |
TRO |
|
| Ophioglossum flexuosum L. |
Synonym |
 |
TRO |
|
| Ophioglossum floridanum E.P. St. John |
Unresolved |
 |
TRO |
|
| Ophioglossum furcatum Roxb. |
Unresolved |
 |
IPNI |
|
| Ophioglossum furcatum J.Sm. |
Unresolved |
 |
IPNI |
|
| Ophioglossum gomezianum Welw. ex A. Braun |
Synonym |
 |
TRO |
|
| Ophioglossum gomezianum var. latifolium Prantl |
Synonym |
 |
TRO |
|
| Ophioglossum gracile Pocock ex J.E.Burrows |
Unresolved |
 |
IPNI |
|
| Ophioglossum gracillimum Hook. & Baker |
Unresolved |
 |
TRO |
|
| Ophioglossum gramineum Willd. |
Synonym |
 |
TRO |
|
| Ophioglossum grayi Beck |
Unresolved |
 |
TRO |
|
| Ophioglossum gregarium Christ |
Unresolved |
 |
IPNI |
|
| Ophioglossum harrisii Underw. |
Unresolved |
 |
TRO |
|
| Ophioglossum holm-nielsenii B. Øllg. |
Accepted |
 |
TRO |
|
| Ophioglossum inconspicuum Alderw. |
Unresolved |
 |
IPNI |
|
| Ophioglossum indicum B.L.Yadav & H.K.Goswami |
Unresolved |
 |
IPNI |
|
| Ophioglossum intermedium Hook. |
Unresolved |
 |
IPNI |
|
| Ophioglossum japonicum Thunb. |
Synonym |
 |
WCSP (in review) |
|
| Ophioglossum kawamurae Tagawa |
Unresolved |
 |
IPNI |
|
| Ophioglossum lanceolatum (Luerss.) Prantl |
Accepted |
 |
TRO |
|
| Ophioglossum lancifolium C. Presl |
Accepted |
 |
TRO |
|
| Ophioglossum latifolium (Prantl) J.E. Burrows |
Accepted |
 |
TRO |
|
| Ophioglossum lineare Schltr. & Brause; Brause |
Unresolved |
 |
IPNI |
|
| Ophioglossum litorale Makino |
Unresolved |
 |
TRO |
|
| Ophioglossum louisii Taton |
Unresolved |
 |
IPNI |
|
| Ophioglossum loureirianum Pr. |
Unresolved |
 |
TRO |
|
| Ophioglossum luerssenii Prantl |
Unresolved |
 |
TRO |
|
| Ophioglossum lusitanicum L. |
Accepted |
 |
TRO |
|
| Ophioglossum lusitanicum subsp. californicum (Prantl) R.T. Clausen |
Synonym |
 |
TRO |
|
| Ophioglossum lusitanicum subsp. coriaceum (A. Cunn.) R.T. Clausen |
Accepted |
 |
TRO |
|
| Ophioglossum lusoafricanum Prantl |
Unresolved |
 |
TRO |
|
| Ophioglossum macrorrhizum Kunze |
Synonym |
 |
TRO |
|
| Ophioglossum melipillense Remy; Gay |
Unresolved |
 |
IPNI |
|
| Ophioglossum microstichum Ach. |
Synonym |
 |
TRO |
|
| Ophioglossum minimum J.B.Armstr. |
Unresolved |
 |
IPNI |
|
| Ophioglossum mironovii Sumn. |
Synonym |
 |
TRO |
|
| Ophioglossum moluccanum Schltdl. |
Unresolved |
 |
TRO |
|
| Ophioglossum monitoni Copel. |
Unresolved |
 |
IPNI |
|
| Ophioglossum mononeuron E.P. St. John |
Accepted |
 |
TRO |
|
| Ophioglossum namegatae Nish. & Kurita |
Unresolved |
 |
IPNI |
|
| Ophioglossum nipponicum Miyabe & Kudô |
Unresolved |
 |
TRO |
|
| Ophioglossum nudicaule L. f. |
Accepted |
 |
TRO |
|
| Ophioglossum nudicaule var. macrorrhizum (Kunze) R.T. Clausen |
Synonym |
 |
TRO |
|
| Ophioglossum nudicaule var. robustum Licht. |
Accepted |
 |
TRO |
|
| Ophioglossum nudicaule var. tenerum (Mett. ex Prantl) R.T. Clausen |
Synonym |
 |
TRO |
|
| Ophioglossum nudicaule var. vulcanicum R.T. Clausen |
Synonym |
 |
TRO |
|
| Ophioglossum oblongum H.G. Zhou & H. Li |
Accepted |
 |
TRO |
|
| Ophioglossum obovatum Miq. |
Unresolved |
 |
IPNI |
|
| Ophioglossum oleosum Khand. |
Unresolved |
 |
TRO |
|
| Ophioglossum opacum R.Br.; Carm. |
Unresolved |
 |
IPNI |
|
| Ophioglossum opacum Carmich. |
Unresolved |
 |
IPNI |
|
| Ophioglossum ovatum Bory |
Accepted |
 |
TRO |
|
| Ophioglossum palmatum L. |
Accepted |
 |
TRO |
|
| Ophioglossum parvifolium Grev. & Hook. in Hook. |
Unresolved |
 |
TRO |
|
| Ophioglossum parvum M.Nishida & S.Kurita |
Unresolved |
 |
IPNI |
|
| Ophioglossum pedatum Burm. |
Unresolved |
 |
IPNI |
|
| Ophioglossum pedunculatum Desvaux & Nakai |
Unresolved |
 |
IPNI |
|
| Ophioglossum pedunculosum Desv. |
Synonym |
 |
TRO |
|
| Ophioglossum pendulum L. |
Accepted |
 |
TRO |
|
| Ophioglossum pendulum subsp. falcatum (C. Presl) R.T. Clausen |
Accepted |
 |
TRO |
|
| Ophioglossum peruvianum C. Presl |
Synonym |
 |
TRO |
|
| Ophioglossum petiolatum Hook. |
Accepted |
 |
TRO |
|
| Ophioglossum pinnatum Lam. |
Unresolved |
 |
TRO |
|
| Ophioglossum polyphyllum A. Braun ex Schub. |
Accepted |
 |
TRO |
|
| Ophioglossum prantlii C.Chr. |
Unresolved |
 |
IPNI |
|
| Ophioglossum pubescens Raf. |
Unresolved |
 |
IPNI |
|
| Ophioglossum pumilio E.P. St. John |
Accepted |
 |
TRO |
|
| Ophioglossum pumilum Alderw. |
Unresolved |
 |
IPNI |
|
| Ophioglossum pusillum Raf. |
Accepted |
 |
TRO |
|
| Ophioglossum pycnostichum (Fernald) Á. Löve & D. Löve |
Synonym |
 |
TRO |
|
| Ophioglossum rabellum Welw.; A.Br. |
Unresolved |
 |
IPNI |
|
| Ophioglossum raciborskii Alderw. |
Unresolved |
 |
IPNI |
|
| Ophioglossum ramosii Copel. |
Unresolved |
 |
IPNI |
|
| Ophioglossum regulare (Schltdl.) C. Chr. |
Accepted |
 |
TRO |
|
| Ophioglossum reticulatum L. |
Accepted |
 |
TRO |
|
| Ophioglossum richardsiae J.E. Burrows |
Unresolved |
 |
TRO |
|
| Ophioglossum rubellum A. Braun |
Unresolved |
 |
TRO |
|
| Ophioglossum sabulicolum Sauze & Maillard |
Unresolved |
 |
IPNI |
|
| Ophioglossum sandieae J.E. Burrows |
Unresolved |
 |
TRO |
|
| Ophioglossum sarcophyllum Desv. |
Synonym |
 |
TRO |
|
| Ophioglossum sarmentosum L. |
Unresolved |
 |
IPNI |
|
| Ophioglossum savatieri Nakai |
Unresolved |
 |
TRO |
|
| Ophioglossum scandens L. |
Synonym |
 |
TRO |
|
| Ophioglossum scariosum R.T. Clausen |
Accepted |
 |
TRO |
|
| Ophioglossum schlechteri Brause |
Unresolved |
 |
IPNI |
|
| Ophioglossum schmidii Kunze |
Unresolved |
 |
IPNI |
|
| Ophioglossum simplex Ridley; Bower |
Unresolved |
 |
IPNI |
|
| Ophioglossum spruceanum F |
Unresolved |
 |
IPNI |
|
| Ophioglossum stipatum Miers ex Colla |
Unresolved |
 |
IPNI |
|
| Ophioglossum tapinum Peter |
Unresolved |
 |
IPNI |
|
| Ophioglossum tenerum Mett. ex Prantl |
Synonym |
 |
TRO |
|
| Ophioglossum thermale Kom. |
Accepted |
 |
TRO |
|
| Ophioglossum thermale var. bucharicum H.P. Fuchs |
Synonym |
 |
TRO |
|
| Ophioglossum thomasii R.T. Clausen |
Accepted |
 |
TRO |
|
| Ophioglossum timorense Miq. |
Unresolved |
 |
IPNI |
|
| Ophioglossum tuberosum Hook. & Arn. |
Unresolved |
 |
IPNI |
|
| Ophioglossum unifolium Gilib. |
Unresolved |
 |
IPNI |
|
| Ophioglossum usterianum Christ in A.Usteri |
Unresolved |
 |
IPNI |
|
| Ophioglossum valdivianum Phil. |
Unresolved |
 |
IPNI |
|
| Ophioglossum vulgatum L. |
Accepted |
 |
TRO |
|
| Ophioglossum vulgatum var. alaskanum (E. Britton) C. Chr. |
Accepted |
 |
TRO |
|
| Ophioglossum vulgatum var. bucharicum O. Fedtsch. & B. Fedtsch. |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum var. kilimandscharica Hieron. |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum subsp. kilimandscharicum (Hieron.) J.E. Burrows |
Accepted |
 |
TRO |
|
| Ophioglossum vulgatum var. lanceolatum Luerss. |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum var. lanceolatum Clute |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum f. lanceolatum (Clute) S.F. Blake |
Accepted |
 |
TRO |
|
| Ophioglossum vulgatum var. pseudopodum (S.F. Blake) Farw. |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum f. pseudopodum S.F. Blake |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum var. pycnostichum Fernald |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum var. reticulatum (L.) Luerss. |
Synonym |
 |
TRO |
|
| Ophioglossum vulgatum var. valdivianum Licht. |
Synonym |
 |
TRO |
|
| Ophioglossum wightii Grev. & Hook. |
Synonym |
 |
TRO |
|
| Ophioglossum yongrenense Ching ex Z.R. He & W.M. Chu |
Accepted |
 |
TRO |
|
| Ophioglossum ypanemense Mart. |
Unresolved |
 |
TRO |
|
| Ophioglossum zeilanicum Houtt. |
Unresolved |
 |
IPNI |
|
| Ophioglossum zeylanicum Houtt. |
Synonym |
 |
TRO |
|