Gymnopilus echinulisporus is a species of agaric fungus in the family Hymenogastraceae.
It was first formally described by American mycologist William Alphonso Murrill in 1912.
[1] The convex to flattened cap is up to 7 cm (2.8 in) in diameter.
[2] Gymnopilus echinulisporus has been found growing on wood in Oregon in November.
This Hymenogastraceae-related article is a stub.