''Squamulea'' 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 ...

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

Teloschistaceae The Teloschistaceae are a large family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The family, estimated to contain over 1800 species, was extensively revised in 2013, including the creation o ...

. It has 15 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 ...

in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with ''

Squamulea subsoluta ''Squamulea subsoluta'' is a species of saxicolous (rock-dwelling), squamulose lichen in the family Teloschistaceae. It was first formally described by Finnish lichenologist William Nylander in 1873, who named it as a variety of ''Lecanora m ...

'' assigned as the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

. Five species were included in the original account of the genus. The genus name alludes to the

squamulose A squamulose lichen is a lichen that is composed of small, often overlapping "scales" called squamules. If they are raised from the substrate and appear leafy, the lichen may appear to be a foliose lichen, but the underside does not have a "skin ...

growth form of most of its species. ''Squamulea'' has a worldwide distribution; when the genus was originally created, the centre of distribution was thought to be in southwestern North America.

Species

*'' Squamulea chelonia'' – Galapagos Islands *'' Squamulea coreana'' – South Korea *'' Squamulea evolutior'' *'' Squamulea flakusii'' *''

Squamulea galactophylla ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscription (taxonomy), circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with ''Squamulea subsoluta'' ass ...

'' *''

Squamulea humboldtiana ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' – Galapagos Islands *'' Squamulea loekoesiana'' *''

Squamulea micromera ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' *'' Squamulea nesodes'' *''

Squamulea oceanica ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' – Galapagos Islands *''

Squamulea osseophila ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' – Galapagos Islands *''

Squamulea parviloba ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' *''

Squamulea phyllidizans ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' *''

Squamulea squamosa ''Squamulea squamosa'' is a species of saxicolous (rock-dwelling), squamulose lichen in the family Teloschistaceae. Found in southwestern North America, it was first formally described by Maurice Bouly de Lesdain in 1933, as ''Placodium squam ...

'' *''

Squamulea uttarkashiana ''Squamulea'' is a genus of lichen-forming fungi in the family Teloschistaceae. It has 15 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén, with '' Squamulea subsoluta'' assigned as the type species. ...

'' –

Uttarakhand Uttarakhand ( , or ; , ), also known as Uttaranchal ( ; the official name until 2007), is a state in the northern part of India. It is often referred to as the "Devbhumi" (literally 'Land of the Gods') due to its religious significance and ...

One of the original lichens placed in this genus, ''Squamulea kiamae'', has since been transferred to genus ''

Filsoniana ''Filsoniana'' is a genus of squamulose lichens in the family Teloschistaceae. It has six species. It was circumscribed in 2013 by Ingvar Kärnefelt, Arne Thell, Jae-Seoun Hur, Sergey Kondratyuk, and John Elix following a molecular phylogenetic ...

''.

References

Teloschistales Taxa described in 2013 Teloschistales genera Lichen genera Taxa named by Ulrik Søchting Taxa named by Patrik Frödén Taxa named by Ulf Arup {{Teloschistales-stub