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Mycena epipterygia var. lignicola

[ Basidiomycetes > Agaricales > Tricholomataceae > Mycena . . . ]

by Michael Kuo

Apparently widely distributed in North America, Mycena epipterygia var. lignicola is one of the more easily recognized mushrooms in Mycena. It has a sticky, yellow-green to greenish yellow cap, and it grows gregariously from the well decayed deadwood of conifers. Only Mycena epipterygia var. epipterygia looks similar; it differs in its colors, which are usually less green, ranging from dull yellow to brownish yellow--and in its scattered to gregarious, terrestrial habitat.


Ecology: Saprobic on the barkless, often mossy, well decayed deadwood of conifers; growing gregariously; fall; apparently fairly widely distributed in North America.

Cap: Up to about 1.5 cm across; egg-shaped, becoming broadly conic to broadly bell-shaped; sticky when fresh; bald; yellow-green to bright greenish yellow, fading to dull yellow; the margin sometimes faintly lined; cuticle fairly tough and elastic, peel-able.

Gills: Attached to the stem by a tooth; close or nearly distant; whitish to pale greenish yellow or yellow.

Stem: 4-6 cm long; 1-1.5 mm thick; fragile; equal; bald; sticky; colored like the cap or paler.

Flesh: Insubstantial; yellowish.

Odor and Taste: Odor slightly to moderately mealy or slightly of iodine; taste similar.

Spore Print: White.

Chemical Reactions: KOH negative on cap surface.

Microscopic Features: Spores 7-13 x 5-8 µ; weakly to moderately amyloid; elliptical; smooth. Basidia usually 2-spored. Cheilocystidia abundant; clavate to subglobose or occasionally saccate; covered with numerous rod-like projections. Pleurocystidia absent. Pileipellis an ixocutis.

REFERENCES: Smith, 1947. Herb. Kuo 10091004.

This site contains no information about the edibility or toxicity of mushrooms.


Mycena epipterygia var. lignicola

Mycena epipterygia var. lignicola

Mycena epipterygia var. lignicola

Mycena epipterygia var. lignicola

Mycena epipterygia var. lignicola

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Kuo, M. (2010, December). Mycena epipterygia var. lignicola. Retrieved from the MushroomExpert.Com Web site: