''Pseudosagedia'' 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 ...

of corticolous (bark-dwelling)

lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Trichotheliaceae Trichotheliaceae is a family of lichen-forming fungi in the order Gyalectales. The family was circumscribed by Friedrich von Schilling and Friedrich August Georg Bitter in 1927. In a recent (2018) molecular phylogenetic analysis, Trichothelia ...

. It was first

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 ...

as a section of genus ''

Arthopyrenia ''Arthopyrenia'' is a genus of fungi within the Arthopyreniaceae family. The genus has a widespread distribution, a cosmopolitan distribution. It formerly (in 2008) contained about 117 species. Species As accepted by Species Fungorum, (note ou ...

'' by Swiss botanist

Johannes Müller Argoviensis Johann Müller (9 May 1828 - 28 January 1896) was a Swiss botanist who was a specialist in lichens. He published under the name Johannes Müller Argoviensis to distinguish himself from other naturalists with similar names. Biography Müller w ...

in 1862. Maurice Choisy elevated it to distinct generic status in 1949. ''Pseudosagedia'' was little used until, in 1995,

Josef Hafellner Josef Hafellner (1951– ) is an Austrian mycologist and lichenologist. He was awarded the Acharius Medal in 2016 for his lifetime contributions to lichenology. Before his retirement, he was a professor at the Karl-Franzens-Universität in Graz ...

and

Klaus Kalb Klaus Kalb (born 1942) is a German lichenologist and an authority on tropical lichens. Biography Klaus Kalb was born in Nuremberg in 1942 and grew up in southern Bavaria. From 1960 to 1965 he studied biology, chemistry, and geography at t ...

resurrected the genus to contain members of the ''Porina nitidula'' species group with the perithecial pigment called Pseudosagedia-violet and lacking

setae In biology, setae (singular seta ; from the Latin word for "bristle") are any of a number of different bristle- or hair-like structures on living organisms. Animal setae Protostomes Annelid setae are stiff bristles present on the body. Th ...

Species

, Species Fungorum (via the Catalog of Life) accepts 31 species of ''Pseudosagedia''. *''

Pseudosagedia aenea ''Pseudosagedia'' is a genus of corticolous (bark-dwelling) lichens in the family Trichotheliaceae. It was first circumscribed as a section of genus ''Arthopyrenia'' by Swiss botanist Johannes Müller Argoviensis in 1862. Maurice Choisy elevat ...

'' *'' Pseudosagedia atrocoerulea'' *'' Pseudosagedia austriaca'' *''

Pseudosagedia borreri ''Pseudosagedia'' is a genus of corticolous lichen, corticolous (bark-dwelling) lichens in the family Trichotheliaceae. It was first circumscription (taxonomy), circumscribed as a section (biology), section of genus ''Arthopyrenia'' by Swiss bota ...

'' *'' Pseudosagedia cestrensis'' *'' Pseudosagedia chlorotica'' *'' Pseudosagedia corruscans'' *'' Pseudosagedia crocynioides'' *'' Pseudosagedia curnowii'' *'' Pseudosagedia fallax'' *'' Pseudosagedia ginzbergeri'' *'' Pseudosagedia globulans'' *''

Pseudosagedia grandis ''Pseudosagedia'' is a genus of corticolous (bark-dwelling) lichens in the family Trichotheliaceae. It was first circumscribed as a section of genus ''Arthopyrenia'' by Swiss botanist Johannes Müller Argoviensis in 1862. Maurice Choisy elevat ...

References

Gyalectales Lichen genera Taxa described in 1862 Gyalectales genera Taxa named by Johannes Müller Argoviensis {{Lecanoromycetes-stub