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Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Pteridophyta
Classis: Polypodiopsida
Ordo: Polypodiales

Familia: Pteridaceae
Subfamilia: Pteridoideae
Genus: Onychium
Species: O. cryptogrammoides – O. divaricatum – O. fragile – O. japonicum – O. kholianum – O. lucidum – O. moupinense – O. plumosum – O. siamense – O. siliculosum – O. tenuifrons – O. vermae
Nothospecies: O. × matsumotoi

Onychium Kaulf., Berlin. Jahrb. Pharm. Verbundenen Wiss. 21: 45 (1820).

Type species: Onychium capense Kaulf., Enum. Fil. 145. t. 1, f. 8 (1824) (= Onychium japonicum (Thunb.) Kunze, Bot. Zeitung (Berlin) 6: 507 (1848). (Pichi Sermolli 1963)


Leptostegia D.Don, Prodr. Fl. Nepal.: 14 (1825).
Cryptogrammopsis Kümmerle, Amer. Fern J. 20: 133 (1930).


Onychium Blume = Dendrobium Sw.

Native distribution areas:

Continental: Africa
Regional: Macaronesia
Azores (introduced).
Regional: Northeast Tropical Africa
Djibouti, Ethiopia, Socotra, Somalia, Sudan.
Continental: Asia-Temperate
Regional: Western Asia
Regional: Arabian Peninsula
Gulf States, Oman, Saudi Arabia, Yemen.
Regional: China
China South-Central, Hainan, China North-Central, China Southeast, Tibet.
Regional: Eastern Asia
Japan, Korea, Nansei-shoto, Ogasawara-shoto, Taiwan.
Continental: Asia-Tropical
Regional: Indian Subcontinent
Assam, Bangladesh, East Himalaya, India, Nepal, Pakistan, West Himalaya.
Regional: Indo-China
Andaman Islands, Cambodia, Laos, Myanmar, Thailand, Vietnam.
Regional: Malesia
Jawa, Lesser Sunda Islands, Malaya, Philippines, Sulawesi.
Regional: Papuasia
Bismarck Archipelago, New Guinea.
Continental: Australasia
Regional: Australia
Northern Territory, Queensland, Western Australia.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Kaulfuss, G.F. 1820. Kurze Anleitung zum Selbststudium der kryptogamischen Gewächse. Fortsetzung. Berlinisches Jahrbuch für die Pharmacie und für die damit verbundenen Wissenschaften 21: 20–54. TU Braunschweig Reference page.

Additional references

Pichi-Sermolli, R.E.G. 1963. Adumbratio Florae Aethiopicae. 9. Cryptogrammaceae. Webbia 17(2): 299–315. DOI: 10.1080/00837792.1963.10669747 PaywallReference page.


Hassler, M. 2021. World Ferns. Checklist of Ferns and Lycophytes of the World. . Onychium Accessed: 16 Aug 2021.
Hassler, M. 2021. Onychium – World Ferns: Checklist of Ferns and Lycophytes of the World . In: Roskov Y., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J. & Penev L. (eds.) 2021. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2021 Aug 16.
Govaerts, R. et al. 2021. Onychium in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Aug 16. Reference page. 2021. Onychium. Missouri Botanical Garden. Published online. Accessed: 16 Aug 2021.
International Plant Names Index. 2021. Onychium. Published online. Accessed: 16 Aug 2021.

Vernacular names
中文: 金粉蕨属

Onychium is a genus of ferns in the subfamily Pteridoideae of the family Pteridaceae.[2]

As of December 2019, the Checklist of Ferns and Lycophytes of the World recognized the following species and hybrids:[3]

Nitta et al. 2022[4] and Fern Tree of life[5]

O. siliculosum (Desv.) C.Chr.

O. tenuifrons Ching

O. cryptogrammoides Christ

O. plumosum Ching

O. moupinense Ching

O. japonicum (Thunb.) Kunze (Japanese claw fern, carrot fern)

O. lucidum (D.Don) Spreng.

Other species:

Onychium divaricatum (Poir.) Alston
Onychium kholianum Fraser-Jenk. & S.Matsumoto
Onychium ×matsumotoi Fraser-Jenk. & Kandel
Onychium vermae Fraser-Jenk. & Khullar


"Onychium Kaulf.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-12-28
PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID 39980610
Hassler, Michael & Schmitt, Bernd (November 2019), "Onychium", Checklist of Ferns and Lycophytes of the World, 8.11, retrieved 2019-12-28
Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13: 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
"Tree viewer: interactive visualization of FTOL". FTOL v1.4.0 [GenBank release 253]. 2023. Retrieved 8 March 2023.

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