A medium-sized cup fungus with a whitish to brownish inner surface and an outer surface sparsely covered in fine brown hairs. The cup sits on a ribbed, often buried stem-like base. It grows on soil near or on well-rotted wood, mostly in conifer forests in eastern North America.
Edibility unknown; no information in the sources consulted. Not recommended.
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Habitat
On the ground near rotting wood or from well-decayed wood in lignin-rich soil, mostly in conifer forests but also under hardwoods; gregarious; summer and fall. Usually considered saprobic, though possibly mycorrhizal.
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Probably fairly common in eastern North America east of the Great Plains (MushroomExpert); type from Pennsylvania. Rare European records from Hungary and the Czech Republic.
Characteristics
Fruiting body: cup-shaped, 1.5-7 cm across, staying cup-shaped. Inner surface: whitish and smooth, darkening to brownish. Outer surface: paler with sparse fine brown hairs. Stem: a ribbed pseudostem up to 2 x 2 cm, often buried. Flesh: pale, brittle. Spore print: white. Spores: 25-35 x 10-12 um, fusoid-ellipsoid, smooth in KOH, warted in Melzer's reagent. Asci: 8-spored, not blue in Melzer's (MushroomExpert).