''Tryblis'' 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 ...

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

Odontotremataceae The Odontotremataceae are a family of fungi in the monotypic order of Odontotrematales. Species of this family have a widespread distribution, but are especially known from northern temperate areas. The order of Odontotrematales was published by ...

. It has two 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 1931 by

Frederic Clements Frederic Edward Clements (September 16, 1874 – July 26, 1945) was an American plant ecologist and pioneer in the study of plant ecology and vegetation succession. Biography Born in Lincoln, Nebraska, he studied botany at the University of Nebra ...

, with '' T. arnoldii'' 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 ...

; this was originally described as ''Blitridium arnoldii'' by

Heinrich Rehm Heinrich Simon Ludwig Friedrich Felix Rehm (20 October 1828, Ederheim – 1 April 1916, Munich) was a German mycologist and lichenologist. He studied at the Universities of Erlangen, Munich and Heidelberg, earning his medical doctorate in 1852. ...

in 1872. '' Tryblis signata'' was added to the genus in 1997 by Martin Magnes.

References

Ostropales Ostropales genera Taxa described in 1931 {{Ostropales-stub