Observation 224149: Coprinopsis atramentaria (Bull.) Redhead, Vilgalys & Moncalvo

Proposed Names

86% (1)
Eye3 Eyes3
Recognized by sight: large, robust cluster of inky caps at base of oak tree; gills white initially, young cap with fibrils.

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Eye3 = Observer’s choice
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Here is a key…
By: Byrain
2015-11-30 11:12:33 EST (-0500)

For this group.


I don’t think so Alan.
By: Debbie Viess (amanitarita)
2015-11-30 10:53:55 EST (-0500)

From Kuo’s webpage that you cited: “Coprinopsis romagnesiana is prominently decorated with brown to orangish brown scales.”

These fibrils are subtle at best, and also are present on the caps of the fbs shown on Kuo’s C. atramentaria webpage.

I have the fbs here, but not sure if spores will be a huge help … there is overlap in size:

Spores 8-13 × 5-6 µ; elliptical; smooth; with a central pore (C. rom).

Spores 6.5-10.5 × 4-6.5 µ; elliptical; smooth; with a central pore (C. atra).

Still, thanks for posting another possibility.

Created: 2015-11-29 23:27:45 EST (-0500)
Last modified: 2015-11-30 10:47:39 EST (-0500)
Viewed: 31 times, last viewed: 2017-11-12 12:58:17 EST (-0500)
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