| Major Groups > Gilled Mushrooms > Dark-Spored > Oysters > Crepidotus applanatus |
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Crepidotus applanatus [ Basidiomycetes > Agaricales > Cortinariaceae > Crepidotus . . . ] by Michael Kuo This mushroom is superficially similar to the Oyster Mushroom, Pleurotus ostreatus, but it is smaller and has a brown spore print; the Oyster Mushroom has a white to pale lilac print. Among other species of Crepidotus, Crepidotus applanatus can be recognized by its smooth to finely velvety cap, its fairly crowded gills, and microscopic features (see below). Edibility for Crepidotus applanatus has not been established; do not experiment. Description: Ecology: Saprobic; growing gregariously or (more commonly) in overlapping clusters on dead hardwood stumps and logs; summer and fall; widely distributed in North America. Cap: 1-4 cm; shell-shaped or petal-shaped; somewhat flabby; smooth or finely velvety (towards the point of attachment) in all stages of development; the margin lined when wet; white, becoming brownish to pale cinnamon brown. Gills: Close or crowded; whitish, becoming brownish in maturity. Stem: Absent. Rarely, when conditions force the mushroom to grow straight upwards rather than in a shelf-like position, the cap may be nearly circular, creating the illusion of a rudimentary "stem" where the mushroom attaches to the wood. Flesh: Soft; thin. Spore Print: Brown. Microscopic Features: Spores 4-6 µ; globose; very finely punctate or roughened (often hard to discern even with oil immersion). Pleurocystidia absent. Cheilocystidia variously shaped; up to 50 x 12 µ. Pileipellis a cutis with occasional erect elements. Clamp connections present. REFERENCES: (Persoon, 1796) Kummer, 1871. (Saccardo, 1887; Kauffman, 1918; Hesler & Smith, 1965; Phillips, 1991/2005; Lincoff, 1992; Barron, 1999; McNeil, 2006; Miller & Miller, 2006.) Herb. Kuo 08010203. Further Online Information: Crepidotus applanatus in Hesler & Smith (1965) |
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Cite this page as: Kuo, M. (2007, May). Crepidotus applanatus. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/crepidotus_applanatus.html |