Substrate: dead hardwood logs, or branches, especially of oak.

Conservation Status: Not of concern

Fruiting Body: 1-4 cm broad and/or high, rubbery; at first rounded to somewhat cylindrical to shallow cup-shaped or top-shaped, the top then broadening into a flattened or broadly convex, flabby "cap." Fertile (upper) surface blackish and often shiny when wet. Exterior or underside brown to blackish and roughened. Flesh gelatinous or at least very rubbery; pliant and tough, not brittle. Stalk: absent or present as a narrowed base, continuous with and colored like the exterior or underside of the "cap."

Sources: Arora, David. Mushrooms Demystified. Berkeley, Ten Speed Press, 1986.