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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)
006.4002 Genus Cheiroglossa C.Presl; Suppl. Tent. Pterid. 56 (1845)
Distribution: Neotropics (1), Africa and Indian Ocean (1)
Species listed in database: 2
= Ophioglossum subgen.Cheiroglossa (C.Presl) R.T.Clausen; Mem. Torrey Bot. Club 19(2): 112 (1938)
= Ophioglossum sect.Cheiroglossum (C.Presl) T.Moore; Index Fil. [T. Moore] 125 (1857)
species :
Cheiroglossa malgassica (C.Chr.) Pic.Serm.; Webbia 23: 168 (1968)
Distribution: Madagascar; Mauritius; La Réunion; Seychelles
29 MAU MDG REU SEY
Synonyms: hidden
= Cheiroglossa palmata var. malgassica C.Chr.; Dansk Bot. Ark. 7: 185, t. 74 (4-5) (1932)
= Ophioglossum malgassicum (C.Chr.) Christenh.; Global Fl. 4: 3 (2018)
species :
Cheiroglossa palmata (L.) C.Presl; Suppl. Tent. Pterid. 57 (1845)
Name: Hand Fern
Distribution: USA (C-Florida, S-Florida, very rare); Mexico (Chiapas, Oaxaca, Puebla); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Montserrat; Guadeloupe; Trinidad; Colombia (Antioquia, Boyacá, Chocó, Huila, Magdalena, Meta, Nariño, Norte de Santander, Risaralda, Valle, Vaupés); Venezuela (Amazonas, Aragua, Bolívar, Delta Amacuro, Merida, Miranda, Yaracuy); Guyana; Surinam; Ecuador; Galapagos; Peru; Bolivia (Cochabamba, La Paz, Santa Cruz, Tarija); Brazil (Amazonas, Bahia, Espírito Santo, Goiás, Minas Gerais, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo); Argentina (Misiones)
78 USA 79 MEX 80 BLZ COS GUA HON NIC PAN 81 CUB GDL HIS JAM MTS PUE TRT 82 CLM GUY SUR VEN 83 BOL ECU GAL PER 84 BRA 85 ARG
Synonyms: hidden
= Cheiroglossa austrobrasiliensis Brade; Bradea 1: 30, t. 1, 2 (1970)
= Ophioderma palmata (L.) Nakai; Bot. Mag. (Tokyo) 39(463): 193 (1925), isonym
= Ophioderma palmatum (L.) Miers; Proc. Roy. Hort. Soc. London 3: 348 (1863)
= Ophioglossum palmatum L.; Sp. Pl. [Linnaeus] 2: 1106 (1753)
= Ophioglossum palmatum var. laciniatum Kuhn; Bot. Jahrb. Syst. 24: 146 (1897)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.03 (March 13th, 2026)

Covering 359,059 accepted species,
8,882 hybrids, 47,737 accepted infraspecific taxa and 1,007,135 synonyms,
in total 1,422,813* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life