''Physconia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of lichen-forming

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

Physciaceae The Physciaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. A 2016 estimate placed 19 genera and 601 species in the family. Genera This is a list of the genera contained wi ...

. It has about 25 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 ...

by Czech lichenologist

Josef Poelt Josef Poelt was a botanist, bryologist and lichenologist. He held the chair in Systematic Botany and Plant Geography at the Free University of Berlin (1965 - 1972) and then was head of the Botanical Institute and Botanical Garden of Graz Universi ...

in 1965, with '' Physconia pulverulenta'' 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 specime ...

Species

*'' Physconia californica'' *'' Physconia chinensis'' *'' Physconia distorta'' *'' Physconia enteroxantha'' *''

Physconia fallax ''Physconia'' is a genus of lichen-forming fungi in the family Physciaceae. It has about 25 species. The genus was circumscribed by Czech lichenologist Josef Poelt in 1965, with '' Physconia pulverulenta'' assigned as the type species In zoolo ...

'' *'' Physconia grisea'' *'' Physconia jacutica'' *'' Physconia labrata'' *'' Physconia muscigena'' *'' Physconia perisidiosa'' *'' Physconia pulverulenta'' *'' Physconia rossica'' *'' Physconia sikkimensis'' *'' Physconia thorstenii''

References

Caliciales Lichen genera Caliciales genera Taxa described in 1965 Taxa named by Josef Poelt {{Caliciales-stub