''Gymnoderma'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
lichen
A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...
-forming
fungi
A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...
in the family
Cladoniaceae
The Cladoniaceae are a family of lichen-forming fungi in the order Lecanorales, comprising about 560 species distributed amongst 18 genera. This family is one of the largest among lichen-forming fungi and is globally distributed, from Arctic t ...
. It has three species.
The genus was
circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle.
* Circum ...
by Finnish botanist
William Nylander
William Andrew Michael Junior Nylander Altelius (born 1 May 1996) is a Swedish professional ice hockey Forward (ice hockey), forward for the Toronto Maple Leafs of the National Hockey League (NHL). Nylander was selected by the Maple Leafs in t ...
in 1860.
Nylander assigned ''
Gymnoderma coccocarpum'' as the
type species
In International_Code_of_Zoological_Nomenclature, 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 spe ...
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 Earth's highest peaks, including the highest, Mount Everest. More than list of h ...
.
It occurs throughout southeastern Asia.
Species
*''
Gymnoderma coccocarpum''
*''
Gymnoderma favosum
''Gymnoderma'' is a genus of lichen-forming fungi in the family Cladoniaceae. It has three species. The genus was circumscription (taxonomy), circumscribed by Finnish botanist William Nylander (botanist), William Nylander in 1860. Nylander assign ...
''
*''
Gymnoderma insulare''
Some species once classified in ''Gymnoderma'' have since been transferred to other genera. These include:
*''Gymnoderma lineare'' = ''
Cetradonia linearis''
*''Gymnoderma melacarpum'' = ''
Neophyllis melacarpa''
*''Gymnoderma rugosum'' = ''
Stereum rugosum''
References
Cladoniaceae
Lecanorales genera
Lichen genera
Taxa named by William Nylander (botanist)
Taxa described in 1860
{{Lecanorales-stub