Wrinkled-cap Psathyrella Psathyrella delineata (Peck) A. H. Smith  


Found scattered or in groups on decaying hardwood mulch or debris.


Cap: Dark reddish-brown fading to tan in age; covered with silky white fibrils when young; radially grooved/wrinkled; convex to nearly flat (in age), sometimes with a broad umbo; margin may have veil remnants. Gills: Rangefrom dull-white to purplish-brown with edges minutely fringed in age, some with white edges. Stalk: White above to pale brown below, coated with silky fibrils; copious amount of white mycelium at base (J. Solem, pers. comm.).

There are 24 records in the project database.

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Wrinkled-cap Psathyrella (gills and stalk) in Howard Co., Maryland (9/18/2011). Photo by Robert Solem. (MBP list)

Wrinkled-cap Psathyrella (fruiting body) in Howard Co., Maryland (10/1/2009). Photo by Joanne Solem. (MBP list)

Wrinkled-cap Psathyrella (old fruiting bodies) in Howard Co., Maryland (8/16/2013). Photo by Richard Orr. (MBP list)

Wrinkled-cap Psathyrella in Howard Co., Maryland (8/14/2013). Photo by Richard Orr. (MBP list)

Spores collected from a Wrinkled-cap Psathyrella specimen found in Howard Co., Maryland (9/18/2011). Elliptical, smooth with apical pore, dark brown; measured 7.0-7.3 X 4.9-5.5 microns. Photo by Robert Solem. (MBP list)

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