''Lithothelium'' 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
Pyrenulaceae
The Pyrenulaceae are a family of fungi in the order Pyrenulales. The family was first named by German botanist Gottlob Ludwig Rabenhorst in 1870. Species in the family have a widespread distribution, but are especially prevalent in the tropics, wh ...
.
Most of the species are found in
tropical
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred to ...
climates, and are usually
corticolous (bark-dwelling) or
saxicolous
A saxicolous lichen is a lichen that grows on rock. The prefix "sax" from the Latin means "rock" or "stone".
Characteristics
Saxicolous lichens exhibit very slow growth rates. They may develop on rock substrates for long periods of time, give ...
(rock-dwelling). 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 Swiss botanist
Johannes Müller Argoviensis
Johann Müller (9 May 1828 - 28 January 1896) was a Swiss botanist who was a specialist in lichens. He published under the name Johannes Müller Argoviensis to distinguish himself from other naturalists with similar names.
Biography
Müller w ...
in 1885.
Species
*''
Lithothelium austropacificum''
–
Lord Howe Island
Lord Howe Island (; formerly Lord Howe's Island) is an irregularly crescent-shaped volcanic remnant in the Tasman Sea between Australia and New Zealand, part of the Australian state of New South Wales. It lies directly east of mainland P ...
*''
Lithothelium bermudense''
–
Bermuda
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*''
Lithothelium cubanum''
*''
Lithothelium echinatum''
– China
*''
Lithothelium filisporum''
*''
Lithothelium fluorescens''
*''
Lithothelium fugax''
*''
Lithothelium grossum''
– China
*''
Lithothelium hieroglyphicum''
– Australia
*''
Lithothelium hyalosporum''
*''
Lithothelium illotum''
*''
Lithothelium immersum''
*''
Lithothelium insulare''
– India
*''
Lithothelium kantvilasii''
– Australia
*''
Lithothelium obtectum''
*''
Lithothelium phaeosporum''
*''
Lithothelium quadrisporum''
– Thailand
*''
Lithothelium quiescens''
–
Christmas Island
Christmas Island, officially the Territory of Christmas Island, is an Australian external territory comprising the island of the same name. It is located in the Indian Ocean, around south of Java and Sumatra and around north-west of the ...
References
Pyrenulales
Lichen genera
Eurotiomycetes genera
Taxa named by Johannes Müller Argoviensis
Taxa described in 1885
{{Eurotiomycetes-stub