''Olotia'' 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 Psathyrellaceae. The genus is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

and contains the single species ''Olotia codinae'' which was previously classified as ''Psathyrella codinae.''

Taxonomy

The ''Olotia'' genus was created in 2020 by the German mycologists Dieter Wächter & Andreas Melzer when the ''Psathyrellaceae'' family was subdivided based on

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

analysis. Several members of the ''

Psathyrella ''Psathyrella'' is a large genus of about 400 species, and is similar to the genera '' Coprinellus'', ''Coprinopsis'', ''Coprinus'' and ''Panaeolus'', usually with a thin cap and white or yellowish white hollow stem. The caps do not self digest ...

'' genus were reclassified and placed in new genera. A single species was placed in ''Olotia''. 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 ...

, ''Olotia codinae'' was previously known as ''Psathyrella codinae'' after being classified in 2018 from a discovery in Spain, where it is so far only known from.

Etymology

The genus is named after the city of Olot in Spain, where the type species was documented. ''Psathyrella codinae'' was named in memory of Catalonian mycologist Joaquim Codina, 150 years after his birth.

Description

''Olotia codinae'' is a small mushroom with a brown to brownish yellow cap that is 8.5-15mm in diameter. The hollow stem is 17-24mm tall with a thickness of 1.8-2.8mm. The mushroom is described as smelling slightly like radish (raphanoid) but having little noticeable taste.

Species

Species include:

References

Psathyrellaceae Monotypic Agaricales genera Taxa described in 2020 Fungi of Spain {{Psathyrellaceae-stub