Gymnopilus echinulisporus

Gymnopilus echinulisporus is a species of agaric fungus in the family Cortinariaceae. It was first formally described by American mycologist William Alphonso Murrill in 1912.
Description.
The convex to flattened cap is up to in diameter.
Habitat and distribution.
"Gymnopilus echinulisporus" has been found growing on wood in Oregon in November.