''Calogaya pusilla'' is a species of
saxicolous (rock-dwelling),
crustose lichen in the family
Teloschistaceae. It was originally
formally described in 1852 by Italian lichenologist
Abramo Bartolommeo Massalongo, who placed it in genus ''
Physcia''. The
type specimen was collected in
Veneto, Italy.
It has undergone several changes of genus in its
taxonomic history, including transfers to ''
Caloplaca
''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "ora ...
'', ''
Placodium'', and ''
Teloschistes
''Teloschistes'' is a genus of lichens in the family Teloschistaceae. It was circumscribed by Norwegian botanist Johannes Musaeus Norman in 1852. The name of the genus means "split ends".
Species
*'' Teloschistes chrysophthalmus''
*'' Teloschis ...
''.
In 2013, it was placed in the newly
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 ...
genus ''
Calogaya
''Calogaya'' is a genus of lichen-forming fungi belonging to the family Teloschistaceae. It has 19 species. The genus was circumscribed in 2013 by Ulf Arup, Ulrik Søchting, and Patrik Frödén.
The generic name ''Calogaya'' ("spectacular Gaya" ...
''.
''Calogaya pusilla'' is common in Europe, and has been recorded from a few locations in the United States. Its typical habitat is on vertical,
calcareous rock surfaces. It also occurs on walls with
mortar.
References
Teloschistales
Lichen species
Lichens described in 1852
Lichens of Europe
Lichens of the United States
Taxa named by Abramo Bartolommeo Massalongo
{{Teloschistales-stub