Gymnopilus terrestris

Gymnopilus terrestris is a species of agaric fungus in the family Hymenogastraceae.

Description
The cap is 3 to 7 cm in diameter. The species is inedible.

Distribution and habitat
Gymnopilus terrestris grows on soil and humus, under conifers. It has been found in the US states of Michigan, Colorado, Idaho, Washington, and Oregon, fruiting from June to October.