''Connopus'' is a fungal

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the family

Omphalotaceae The Omphalotaceae are a family (biology), family of fungi in the order (biology), order Agaricales. Basidiocarps (fruit bodies) are most frequently agarics (gilled mushrooms), but occasionally corticioid (in the genus ''Brunneocorticium'') or por ...

. The

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 "unisp ...

genus was

circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle. * Circum ...

in 2010 to accommodate the species ''Connopus acervatus'', formerly in the genus ''

Gymnopus ''Gymnopus'' is a genus of fungus in the family Omphalotaceae. The genus has a widespread, cosmopolitan distribution and contains about 300 species. History and classification The type species for ''Gymnopus'', '' Gymnopus fusipes,'' dates ba ...

''. The cap is up to wide, with regions of reddish-brown and cream colours. The

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

are adnexed and white, darkening with age. The stem is up to long. The

spore print 300px, Making a spore print of the mushroom ''Volvariella volvacea'' shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing warm orange ("tussock") color spore print. ...

is white. It is found in North American and Europe, where it grows in dense clusters on decaying wood. It is regarded as inedible.

References

* * {{Taxonbar, from1=Q55814099, from2=Q4228014, from3=Q55673329 Fungi of Europe Fungi of North America Monotypic Agaricales genera Taxa named by Ron Petersen