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 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 ...
Hemithecium flavoalbum
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscription (taxonomy), circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of ...
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Hemithecium flexile
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species ...
Hemithecium rimulosum
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species ...
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Hemithecium scariosum
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species ...
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Hemithecium staigerae
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species ...
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Hemithecium verrucosum
''Hemithecium'' is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.
Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species ...