Gymnopilus humicola

Gymnopilus humicola is a species of mushroom in the family Hymenogastraceae.

Description
The cap is 1 to 5 cm in diameter. The species is inedible.

Habitat and distribution
Gymnopilus humicola grows on humus, in both coniferous and deciduous woodland. It has been found in the US states of Michigan, Idaho, Tennessee, and Washington. It fruits from June to September.