Fruiting body 1-2 cm broad, irregularly convoluted to brain-like, often aggregated into masses up to 10-20 cm long and 3-5 cm broad; upper surface fertile, smooth to warted, olive-black to black; flesh gelatinous, soft, thin, in dry weather forming a black crust on the substrate; odor and taste mild.
Spores 10-15 x 4-5 µm, sausage-shaped, smooth, nonamyloid; spores whitish in deposit; basidia longitudinally septate.
Solitary or in rows on hardwood branches; occasionally on branches of Monterey pine (
); fruiting from after the fall rains to late winter.
Probably edible, but insignificant.
is common in the San Francisco Bay Area and other parts of California, but frequently overlooked because of its dark color. Fruitings can be solitary but more typically are in long rows or elongated masses.
Breitenbach, J. & Kränzlin, F.
(1986). Fungi of Switzerland. Volume 2: Non-Gilled Fungi. Verlag Mykologia: Luzern, Switzerland. 412 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A.
(2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Ellis, M.B. & Ellis, J.P.
(1990). Fungi without Gills (Hymenomycetes and Gasteromycetes). Chapman and Hall: London, England. 329 p.
(1971). Flora Neotropica, Monograph No. 6, Tremellales. Hafner Publishing Company: New York, NY. 154 p.
(1964). Revision of the North Central Tremellales. J. Cramer: Lehre. 122 p.
(1964). New Zealand Tremellales -- I. New Zeal. Journ. Bot. 2: 403-414.
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