''Platygramme'' 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 ...
consisting of about 30 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 polyg ...
by
Antoine Laurent Apollinaire Fée
Antoine Laurent Apollinaire Fée was a French botanist who was born in Ardentes, 7 November 1789, and died in Paris on 21 May 1874. He was the author of works on botany and mycology, practical and historical pharmacology, Darwinism, and his expe ...
in 1874.
Several features characterise the genus ''Platygramme'': the brown
ascospore
An ascus (; ) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. However, asci in some genera or s ...
s, an
hymenium
The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores. In some species all of the cells of the hymenium develop into basidia or asci, while in others some ...
, and fruiting bodies in which some of the tips of the are and form lamellae (plates).
Species
,
Species Fungorum (as listed 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 27 species of ''Platygramme''.
* ''
Platygramme arechavaletae''
* ''
Platygramme australiensis''
* ''
Platygramme coccinea''
* ''
Platygramme colubrosa''
* ''
Platygramme commutabilis''
* ''
Platygramme computata''
* ''
Platygramme discurrens''
* ''
Platygramme elaeoplaca''
* ''
Platygramme elegantula''
* ''
Platygramme fuscescens''
– Australia
* ''
Platygramme hainanensis''
– China
* ''
Platygramme impudica''
* ''
Platygramme kaalensis''
* ''
Platygramme lueckingii''
– China
* ''
Platygramme microspora''
* ''
Platygramme muelleri''
* ''
Platygramme pachyspora''
* ''
Platygramme pachnodes
''Platygramme'' is a genus of lichen-forming fungi in the family Graphidaceae consisting of about 30 species. The genus was circumscription (taxonomy), circumscribed by Antoine Laurent Apollinaire Fée in 1874.
Several features characterise the ...
''
* ''
Platygramme platyloma''
* ''
Platygramme praestans''
* ''
Platygramme pseudomontagnei''
* ''
Platygramme pudica''
* ''
Platygramme subarechavaletae''
– Thailand
* ''
Platygramme subcolubrosa''
– Thailand
* ''
Platygramme taiwanensis''
* ''
Platygramme tumulata''
* ''
Platygramme unirana''
– Brazil
* ''
Platygramme wattiana''
References
Graphidaceae
Lichen genera
Graphidales genera
Taxa named by Antoine Laurent Apollinaire Fée
Taxa described in 1874
{{Lecanoromycetes-stub