''Sigridea'' is a genus of
lichenized fungi
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[Roccellaceae
The Roccellaceae are a family of fungi in the order Arthoniomycetes. Most taxa are lichenized with green algae, although some are lichenicolous, growing on other lichens.
Genera
, Species Fungorum (in the Catalogue of Life) accepts 47 genera ...]
.
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 po ...
by
Anders Tehler in Cryptog. bot. vol.3 (2) on page 145 in 1993.
The genus name of ''Sigridea'' is in honour of Sigrid Tehler, who was the daughter of the author (of the genus), Anders Tehler.
Species
As accepted by
Species Fungorum
''Index Fungorum'' is an international project to index all formal names ( scientific names) in the fungus kingdom. the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of ...
;
*''
Sigridea albella''
*''
Sigridea californica''
*''
Sigridea chloroleuca''
*''
Sigridea glaucomoides''
*''
Sigridea labyrinthica''
Former species;
*''Sigridea leptothallus'' = ''
Roccellina leptothalla
''Roccellina'' is a genus of lichen-forming fungi in the family Roccellaceae.
Taxonomy
The genus was circumscribed in 1898 by British botanist Otto Vernon Darbishire with '' Roccellina condensata'' as the type, and at that time, only species. A ...
'', Roccellaceae
References
Roccellaceae
Lichen genera
Taxa described in 1993
Taxa named by Anders Tehler
Arthoniomycetes genera
{{Arthoniomycetes-stub