''Circinaria'' 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 in the family
Megasporaceae
Megasporaceae are a family of fungi belonging to the order Pertusariales. Taxa are lichenized with green algae, and grow on rocks, often in maritime climates close to fresh water. Phylogenetic
In biology, phylogenetics () is the study of the ...
. It 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
Johann Heinrich Friedrich Link
Johann Heinrich Friedrich Link (2 February 1767 – 1 January 1851) was a German natural history, naturalist and botanist.
Biography
Link was born at Hildesheim as a son of the minister August Heinrich Link (1738–1783), who taught him love ...
in 1809.
Species
,
Species Fungorum
''Index Fungorum'' is an international project to index all formal names (Binomial nomenclature, scientific names) in the fungus Kingdom (biology), kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partn ...
accepts 37 species of ''Circinaria''.
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Circinaria affinis''
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Circinaria arida''
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Circinaria caesiocinerea''
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Circinaria calcarea''
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Circinaria cerebroides''
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Circinaria contorta''
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Circinaria crespiana''
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Circinaria cupreogrisea''
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Circinaria deminuta''
– Australia
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Circinaria digitata''
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Circinaria elmorei''
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Circinaria emiliae''
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Circinaria esculenta''
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Circinaria fruticulosa''
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Circinaria gibbosa''
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Circinaria hispida''
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Circinaria jussuffii''
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Circinaria lacunosa''
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Circinaria laxilobata''
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Circinaria leprosescens''
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Circinaria maculata''
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Circinaria mansourii''
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Circinaria nimisii''
– Greece
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Circinaria ochraceoalba''
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Circinaria rogeri''
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Circinaria rostamii''
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Circinaria schafeevii''
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Circinaria scyphulifera''
– Russia
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Circinaria serenensis''
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Circinaria subochracea''
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Circinaria tominii''
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Circinaria tortuosa''
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Circinaria transbaicalica''
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Circinaria ucrainica''
– Ukraine
References
Megasporaceae
Pertusariales genera
Taxa described in 1809
Taxa named by Johann Heinrich Friedrich Link
{{Pertusariales-stub