''Gymnoderma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of lichen-forming

fungi A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...

in the family

Cladoniaceae The Cladoniaceae are a family of lichenized fungi in the order Lecanorales. It is one of the largest families of lichen-forming fungi, with about 560 species distributed amongst 17 genera. The reindeer moss and cup lichens (''Cladonia'') belong ...

. It has three species. The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every po ...

by Finnish botanist

William Nylander William Andrew Michael Junior Nylander Altelius (born 1 May 1996) is a Canadian-born Swedish professional ice hockey right winger for the Toronto Maple Leafs of the National Hockey League (NHL). Nylander was selected by the Maple Leafs in the ...

in 1860. Nylander assigned '' Gymnoderma coccocarpum'' as the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

in 1869; this species was originally collected from the

Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over ...

. It occurs throughout southeastern Asia.

Species

*'' Gymnoderma coccocarpum'' *'' Gymnoderma favosum'' *'' Gymnoderma insulare'' Some species once classified in ''Gymnoderma'' have since been transferred to other genera. These include: *''Gymnoderma lineare'' = ''

Cetradonia linearis ''Cetradonia'' is a lichen genus in the family Cladoniaceae. A monotypic genus, ''Cetradonia'' contains the single species ''Cetradonia linearis'' (formerly known as ''Cladonia linearis'' and as ''Gymnoderma lineare''). The genus was circumscr ...

'' *''Gymnoderma melacarpum'' = ''

Neophyllis melacarpa ''Neophyllis'' a genus of lichenized fungi in the order (biology), order Lecanorales. The genus contains two species found in Australasia. Originally classification (biology), classified in the family Cladoniaceae, the genus was transferred to th ...

'' *''Gymnoderma rugosum'' = ''

Stereum rugosum ''Stereum'' is the type genus of the Stereaceae family of fungi, in the Russulales order. Until recently, the genus was classified in the Corticiaceae family, of the Corticiales order. However, it was given its own family as a result of the split ...

References

Cladoniaceae Lecanorales genera Lichen genera Taxa named by William Nylander (botanist) Taxa described in 1860 {{Lecanorales-stub