Name: Gymnopus earleae
Citation: N. Amer. Fl. (New York) 9(5): 364 (1916) / Murrill, W.A. 1916. Agaricaceae Tribe Agariceae. North American Flora. 9(5):297-374
Synonym(s):Gymnopus agricola Murrill
Deprecated Synonyms: Collybia earleae (Murrill) Coker
Cap: 1-3.5 cm; convex, becoming planoconvex or nearly flat; bald; dark brown to dark reddish brown and moist when young and fresh, but soon fading to brownish or orangish buff.
Gills: Attached to the stem broadly or narrowly; close; pale yellow.
Stem: 2-5 cm long; up to about 5 mm thick; more or less equal; greasy; hollow; bald except for tawny fuzz near the base; orangish buff to yellow or yellowish orange; usually covered with stiff, tawny hairs near the base; sometimes with a swollen and spongy basal portion immersed in the substrate; with thin rusty orange to reddish brown rhizomorphs attached to the base.
Flesh: Thin; whitish.
Odor and Taste: Not distinctive, or slightly unpleasant.
Spore Print: White.
Microscopic Features: Spores: 4.5-7 × 2-3.5 µ; smooth; narrowly elliptical or lacrymoid; inamyloid. Pleurocystidia absent. Cheilocystidia often absent or poorly differentiated, but when present cylindric to somewhat contorted; up to about 36 µ. Pileipellis a tangle of cylindric, branching (but not diverticulate or coralloid) hyphae 5-20 µ wide.