Cap 0.6-4 cm broad, convex when young, expanding to plane or plane with a depressed center in age; surface dry, glabrous to slightly pruinose; color white, becoming buff to orange-white, often staining pinkish in age; flesh very thin, soft; odor and taste mild.
Gills adnate to subdecurrent, distant, intervenose; color white to buff; often staining pinkish in age; lamellulae present.
Stipe 7-20 mm long, 1.5-4 mm thick, equal or tapered, central or eccentric; surface glabrous to pruinose with a pubescent to fibrillose base; color white to grey or black at base.
Spores 11-15 x 3.5-5.5 µm, long lacrymoid to subfusiform, smooth, nonamyloid. Spore print white.
Gregarious to densely gregarious on dead conifers, hardwoods, & shrubs; fall through spring.
Unknown. Much to small to be of culinary value.
Marasmiellus candidus is easy to recognize by its small size, lignicolous habitat, widely spaced gills, and white color often staining pinkish.