A small, stemless, shell- or kidney-shaped fan that grows in tiers on dead hardwood. The cap has a thick gelatinous layer under its surface, which stretches like rubber when the cap is torn. It is one of the commonest Crepidotus species in temperate regions.
Inedible and possibly poisonous; not recommended. Little is known about edibility in Crepidotus, and none should be eaten. It is too small and flabby to be worth eating. Small whitish oyster mushrooms (Pleurotus) differ in their white to lilac spore print and lack of a gelatinous cap layer.
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Saprobic on dead hardwood (trunks, fallen branches, sawdust), rarely on conifers; in groups or overlapping tiers; summer to early autumn in the Northern Hemisphere.
Distribution
Widespread and common in temperate North America, South America and Europe.
Characteristics
Cap: 1-6 cm, kidney- to shell-shaped, attached laterally; whitish to pale yellow-ochre or olive-brown, at first with brown fibrils or scales that wear away; sticky when damp, with a stretchy gelatinous layer beneath the surface. Gills: radiating from the point of attachment, fairly widely spaced; whitish at first, becoming pale to dirty brown. Stem: rudimentary or absent. Flesh: white, soft and flabby. Spore print: brown to yellow-brown. Spores: elliptical, smooth.