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006.0000 Family Ophioglossaceae Martinov; Tekhno-Bot. Slovar 438 (1820) (Ophioglosseae)
Phylogeny: Zhang et al. 2020, Kuo et al. 2024
Species listed in database: 130; hybrids: 9
= Helminthostachyaceae Ching; Bull. Fan Mem. Inst. Biol., Bot. 10: 235 (1941)
= Ophioglosseae R.Br.; Prodr. Fl. Nov. Holland. 163 (1810)
= Botrychiaceae Horan.; Char. Ess. Fam. 15 (1847)
006.1004 Genus Japanobotrychium Masam.; J. Soc. Trop. Agric. 3: 246 (1931), as ´Japanobotrychum´
original spelling of genus name corrected by Tagawa (1959) and PPG-I (based on Article 60.1)
Species listed in database: 2
species :
Japanobotrychium chamaeconium (Bitter & Hieron. ex Bitter) M.Nishida ex Tagawa; J. Jap. Bot. 33: 201 (1958)
Distribution: Cameroon; Sudan; Ethiopia; Uganda
23 CMN 24 ETH SUD 25 UGA
Synonyms: hidden
= Botrychium chamaeconium Bitter & Hieron.; Nat. Pflanzenfam. [Engler & Prantl] I, 4: 471 (1900)
= Botrypus chamaeconium (Bitter & Hieron.) Holub; Preslia 45: 277 (1973)
= Osmundopteris chamaeconia (Bitter & Hieron. ex Bitter) M.Nishida; J. Jap. Bot. 27: 276 (1952)
species :
Japanobotrychium lanuginosum (Wall. ex Hook. & Grev.) M.Nishida ex Tagawa; J. Jap. Bot. 33: 201 (1958)
Distribution: China (Guangxi, Guizhou, Hunan, Sichuan, Yunnan); Tibet; Taiwan; Nepal; Bhutan; India (Arunachal Pradesh, Chhattisgarh, Himachal Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Nagaland, Sikkim, Tamil Nadu, Uttarakhand, West Bengal, Rajasthan); Sri Lanka; Myanmar (Chin, etc.); N-Thailand; Vietnam; Sumatera; Sulawesi; Philippines; Jawa; Lesser Sunda Isl. (Lombok, Bali, Alor); New Guinea (Papua New Guinea)
36 CHI TIB 38 TAI 40 BHU IND NEP SRL 41 MYA THA VIE 42 JAW LSI NWG PHI SUL SUM
Synonyms: hidden
= Botrychium arisanense (Masam.) Masam.; Short Fl. Formosa 1 (1936)
= Botrychium decurrens Ching; Fl. Reipubl. Popularis Sin. 2: 329 (1959)
= Botrychium lanuginosum var. leptostachyum (Hayata) Nakai; Bot. Mag. (Tokyo) 39(463): 192 (1925)
= Botrychium lanuginosum var. nanum Alderw.; Malayan Ferns 778 (1909)
= Botrychium lanuginosum var. nepalense (M.Nishida) N.C.Nair & R.D.Dixit; J. Bombay Nat. Hist. Soc. 78(3): 447 (1981) (fide Fraser-Jenkins 1997)
= Botrychium lanuginosum Wall.; Numer. List [Wallich] no. 48 (1829), nomen
= Botrychium lanuginosum Wall. ex Hook. & Grev.; Icon. Filic. 1(4): t. 79 (1828)
= Botrychium leptostachyum Hayata; Icon. Pl. Formosan. 4: 134, f. 71 (1914)
= Botrychium modestum Ching; Fl. Reipubl. Popularis Sin. 2: 329 (1959)
= Botrychium parvum Ching; Fl. Reipubl. Popularis Sin. 2: 330 (1959)
= Botrychium virginianum var. lanuginosum (Wall. ex Hook. & Grev.) Bedd.; Ferns Brit. India 471, t. 295 (1883), et Suppl. 110 (1892), isonym
= Botrychium virginianum var. lanuginosum (Wall. ex Hook. & Grev.) T.Moore; Index Fil. [T. Moore] 213 (1860)
= Botrychium yunnanense Ching; Fl. Reipubl. Popularis Sin. 2: 329 (1959)
= Botrypus decurrens (Ching) Ching & H.S.Kung; Fl. Sichuan. 6: 96 (1988)
= Botrypus lanuginosus (Wall. ex Hook. & Grev.) Holub; Preslia 45: 277 (1973)
= Botrypus lanuginosus (Wall. ex Hook. & Grev.) Y.X.Lin; Higher Pl. China 2: 75 (2008), isonym
= Botrypus lanuginosus subsp. leptostachys (Hayata) Holub; Preslia 45(3): 277 (1973)
= Botrypus lanuginosus var. nepalensis (M.Nishida) S.R.Ghosh; J. Econ. Taxon. Bot. 5(1): 246 (1984)
= Botrypus parvus (Ching) Holub; Preslia 45: 277 (1973)
= Botrypus tibeticus Ching; Fl. Xizang. 1: 34 (1983)
= Botrypus yunnanensis (Ching) Y.X.Lin; Higher Pl. China 2: 75 (2008), isonym
= Botrypus yunnanensis (Ching) Z.R.He; Fl. Yunnan. 20: 720 (2006)
= Japanobotrychium arisanense Masam.; J. Soc. Trop. Agric. 3: 246 (1931)
= Japanobotrychium lanuginosum var. nepalense M.Nishida; J. Jap. Bot. 41: 319 (1966) (fide Fraser-Jenkins 1997)
= Osmundopteris lanuginosa (Wall. ex Hook. & Grev.) M.Nishida; J. Jap. Bot. 27(9): 276 (1952)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.08 (August 2nd, 2026)

Covering 360,349 accepted species,
8,927 hybrids, 47,544 accepted infraspecific taxa and 1,011,667 synonyms,
in total 1,428,487* names

[*about 20,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


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