
Appearance
Fruiting Body: A mass of loosely packed lobes, 4–20 cm across and 2–7 cm high; individual lobes 2–5 cm across and 1–2 mm thick; surface bald, moist, pale brown to medium dark brown, becoming wrinkled toward point of attachment; without a stem; flesh gelatinous, brown.Odor and Taste: Not distinctive.
Chemical Reactions: KOH negative on surfaces. Iron salts negative on surfaces.
Microscopic Features: Spores 5–8.5 x 4–6 µm; ellipsoid, with a prominent apiculus; smooth; hyaline in KOH. Probasidia ellipsoid to subglobose. Basidia to about 20 x 15 µm; ellipsoid to subglobose; developing a longitudinal septum and 4 long, fingerlike sterigmata. Hyphae 2.5–5 µm wide; often gelatinized; septate; clamped.

Habitat
Ecology: Parasitic on species of Stereum, including Stereum ostrea and Stereum complicatum; appearing on the deadwood of hardwoods; spring through fall, or over winter in warmer climatesReferences:
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