''Squamulea subsoluta'' is a species of saxicolous (rock-dwelling),

squamulose lichen 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 "ski ...

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 was first formally described by Finnish lichenologist William Nylander in 1873, who named it as a variety of ''Lecanora murorum''. He promoted it to species status three years later, as ''Lecanora subsoluta''. Ulf Arup and colleagues transferred the

taxon In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

to the genus ''

Squamulea ''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 ...

'' in 2013, following a

molecular phylogenetics Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

-based restructuring of the family Teloschistaceae.

References

{{Taxonbar, from=Q25927489 Teloschistales Lichen species Lichens described in 1873 Taxa named by William Nylander (botanist)