''Psathyrella corrugis'', is 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 ...

of the

basidiomycete Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Ba ...

fungus genus ''

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 ...

'' and family

Psathyrellaceae The Psathyrellaceae are a family of dark-spored agarics that generally have rather soft, fragile fruiting bodies, and are characterized by black, dark brown, rarely reddish, or even pastel-colored spore prints. About 50% of species produce fruit ...

. Originally described from Europe as ''Agaricus corrugis'', the species is considered non-toxic but lacking in flesh, flavor and texture. It is inedible.

Nomenclature

The lectotype of ''Psathyrella'' is ''Psathyrella gracilis'', however ''P. corrugis'' was published in 1794, 27 years before ''P. gracilis'' was first published, making ''P. corrugis'' the correct name. The name given here is according to

Index Fungorum ''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of M ...

.Index Fungorum ''Psathyrella corrugis'' (retrieved 05 January 2020)
/ref>

Description

The cap is 1–4 cm wide, bell-shaped and translucent when young; it flattens and becomes opaque with age. The gills are slightly reddish. The whitish stalk is tall and 1–3 mm wide. The spores are purple-brown, elliptical, and smooth. It can be found growing around areas of dead wood. The species sometimes fruits with ''

Tubaria furfuracea ''Tubaria furfuracea'', commonly known as the scurfy twiglet, is a common species of agaric fungus in the family Tubariaceae. It was first described by Christiaan Hendrik Persoon in 1801 as a species of ''Agaricus''. French mycologist Claude-Cas ...

''. A similar species is ''

Psathyrella candolleana ''Candolleomyces candolleanus'' (formerly known as ''Psathyrella candolleana'') is mushroom in the family Psathyrellaceae. It is commonly found growing in small groups around stumps and tree roots on lawns and pastures in Europe and North America ...

''.

Gallery

File:Psathyrella spec. - Lindsey 1b.jpg File:Psathyrella gracilis 132503 cropped.jpg File:Psathyrella gracilis 132505.jpg File:Psathyrella_corrugis_spores.jpg

References

External links

* {{Taxonbar, from=Q3409449 Psathyrellaceae Inedible fungi