Gymnopus spongiosus, commonly known as the hairy-stalked collybia, is a species of the mushroom-forming fungus family Omphalotaceae.

[2] In North America, The fruiting body appears between late summer and fall, and winter along the Gulf Coast.

[3] It also appears infrequently in South America.

[4] Gymnopus spongiosus is not considered an edible mushroom.

This Agaricales-related article is a stub.