Description
Pleurotus ostreatus (Jacq. ex Fr.) Kummer. Oyster Mushroom, Pleurote en forme d'huître, Oreillette, Mouret, Poule de bois, Austernseitling, Austernpilz, Késõi laskagomba, Gelone, orgella, agarico ostreato, pinnella, Oesterzwam. Cap 6–14cm across, shell-shaped, convex at first then flattening or slightly depressed and often wavy and lobed at the margin or splitting, variable in colour; flesh-brown or deep blue-grey later more grey-brown. Stem 20–30´10–20cm, excentric to lateral, or absent, white with a woolly base. Flesh white. Taste and smell pleasant. Gills decurrent, white at first then with a yellowish tinge. Spore print lilac. Spores subcylindric, 7.5–11 x 3–4um. Habitat often in large clusters on stumps and fallen or standing trunks, usually of deciduous trees, especially beech. Season all year. Common. Edible and good. Distribution, America and Europe (source R. Phillips).
