''Hemithecium'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...]
in the family
Graphidaceae
The Graphidaceae are a family of lichens in the order Ostropales.
Distribution and ecology
The vast majority of Graphidaceae species are restricted to the tropics. Most Graphidaceae species are epiphytic (i.e. they grow only on plants).
Gener ...
.
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 polyg ...
by
Vittore Benedetto Antonio Trevisan de Saint-Léon
Vittore Benedetto Antonio Trevisan de Saint-Léon (5 June 1818, in Padua – 8 April 1897, in Milan) was an Italian botanist who specialized in cryptogam, cryptogamic flora.
During his career, he was a professor of natural history in Padua. I ...
in 1853.
Species
,
Species Fungorum (in the
Catalogue of Life
The Catalogue of Life is an online database that provides an index of known species of animals, plants, fungi, and microorganisms. It was created in 2001 as a partnership between the global Species 2000 and the American Integrated Taxonomic Info ...
) accepts 22 species of ''Hemithecium''.
*''
Hemithecium alboglaucum''
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Hemithecium amboliense''
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Hemithecium andamanicum''
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Hemithecium argopholis''
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Hemithecium canlaonense''
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Hemithecium duomurisporum''
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Hemithecium endofuscum''
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Hemithecium flavoalbum''
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Hemithecium flexile''
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Hemithecium fulvescens''
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Hemithecium himalayanum''
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Hemithecium kodayarense''
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Hemithecium lamii''
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Hemithecium nagalandicum''
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Hemithecium nakanishianum''
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Hemithecium oshioi''
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Hemithecium pulchellum''
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Hemithecium radicicola''
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Hemithecium rimulosum''
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Hemithecium scariosum''
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Hemithecium staigerae''
*''
Hemithecium verrucosum''
References
Graphidaceae
Lichen genera
Graphidales genera
Taxa named by Vittore Benedetto Antonio Trevisan de Saint-Léon
Taxa described in 1853
{{Lecanoromycetes-stub