Pholiota subcarbonaria (Murrill) A. H. Sm. & Hesler 1968

Gymnopilus subcarbonarius Murrill, Mycologia 4: 256. 1912
Flammula subcarbonaria Murrill, Mycologia 4: 262. 1912.
Pileus convex to expanded, rarely umbonate, rather thin, gregarious, 3-4 cm. broad; surface smooth, glabrous, very viscid, red to bay, yellow on the margin, sometimes darker at the center; lamellae adnate or sinuate, not crowded, rather narrow, inserted, pale-yellow to ochraceous or fulvous; spores ellipsoid, smooth, melleous under the microscope, fulvous in mass, 7 X 3-4 /x; stipe short, somewhat enlarged below, white, scaly, hollow, 3-4 cm. long, 4-8 mm. thick; veil fibrillose, evanescent, not leaving an annulus.
Type locality: Berkeley, California.
Habitat: On the ground.
Distribution: Known only from the type locality.

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