Clitocybe oreades Murrill 1913

Clitocybe oreades Murrill, Mycologia 5: 210, 1913
Pileus large, fleshy, convex, becoming plane or slightly depressed with age, usually growing in circles, 6-10 cm. broad, very thick at the center; surface smooth, somewhat viscid when moist, glabrous, shining, cinereous to murinous, sometimes covered with a whitish mold, margin entire, concolorous, deflexed when young, at times becoming upturned and more or less split with age: context thick, white, with an agreeable but not characteristic taste and odor; lamellae shortdecurrent, varying to adnate, especially when young, crowded, narrow, arcuate, white or pale-yellowishwhite : spores ellipsoid, smooth, hyaline, 6-8 X 3-4: fx: stipe very large, enlarged or bulbous below, fleshy, white or slightly cinereous, smooth, minutely tomentose or fibrillose above, solid, 10-15 cm. long, 1.5-2.5 cm. thick, reaching 4 cm. or more at the base.
Type locality: Searsville Lake, California. Habitat: In humus under redwoods. Distribution: Oregon, Washington, and California.