Forming overlapping shelves or clusters on stumps and logs of hardwoods, uncommon on conifers, from early fall to mid- winter.
is a member of the "Fog Flora" fruiting sporadically along the coast during the summer.
Edible and very popular, although a few people are allergic to it.
is believed to be a species complex. In the California, specimens can be found that vary from white and relatively thin-fleshed on oaks to thick fleshed, grey-brown shelves on cottonwood and willow. Whether these differences are environmentally induced or genetic is not clear, but most mycophagists prefer the large, thick-fleshed specimens collected from cottonwood.
Bas, C., Kyper, T.W., Noordeloos, M.E. & Vellinga, E.C.
(1990). Flora Agaricina Neerlandica—Critical monographs on the families of agarics and boleti occuring in the Netherlands. Volume 2. Pluteaceae, Tricholomataceae. A. A. Balkema: Rotterdam, Netherlands. 137 p.
Breitenbach, J. & Kränzlin, F
. (1991). Fungi of Switzerland. Volume 3: Boletes and Agarics (1st Part). Strobilomycetaceae, Boletaceae, Paxillaceae, Gomphidiaceae, Hygrophoraceae, Tricholomataceae, Polyporaceae (lamellate). Verlag Mykologia: Luzern, Switzerland. 361 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A.
(2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Petersen, R.H. & Krisai-Greilhuber, I.
(1996). An epitype specimen for
. Mycol. Res. 100(2): 229-235.
(1949). Mushrooms in their Natural Habitats. Sawyer's Inc: Portland, OR. 626 p.
Watling, R. & Gregory, N.M.
(1989). British Fungus Flora: Agarics and Boleti. Vol 6. Crepidotaceae and other pleurotoid agarics. Royal Botanic Garden: Edinburgh, Scotland. 157 p.
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