Observation 147796: Coprinellus P. Karst.

When: 2013-10-09

Collection location: Rooster Rock State Park, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Clumped masses, growing on Black cottonwood stump. Black gills.


Growing in clumps on rotting Black cottonwood stump. White fibrils on cap. In situ.
Close-up. In situ.
Stipe 3-5 inches long, flesh-colored to whitish.
Cap brown to orange-brown; gills black. This one was eaten on by a local squirrel, who didn’t appreciate being disturbed.
Close-up of gills, upper stipe, and cap.

Proposed Names

7% (2)
Used references: Arora, Mushrooms Demystified.
4% (2)
Recognized by sight
28% (1)
Recognized by sight: Pictures are not good enough to tell much beyond that this is an inky cap, see the 4th image where the gills are starting to turn black along the edge first.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Only one other obs. of P. canoceps
By: Daniel B. Wheeler (Tuberale)
2013-10-10 02:52:02 CDT (-0400)

and it appears to be associated with Western hemlock. There was no hemlock near this obs. Also the surface color is brown to golden-brown, not nut-black. May not be P. canoceps. But certainly something close.

Created: 2013-10-10 02:47:36 CDT (-0400)
Last modified: 2013-10-10 03:15:51 CDT (-0400)
Viewed: 17 times, last viewed: 2017-06-16 16:49:34 CDT (-0400)
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