Observation 69396: Coprinopsis lagopus (Fr.) Redhead, Vilgalys & Moncalvo

When: 2011-06-15

Collection location: Luzerne Co., Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

Growing on woodchips. About 24 hours after photos mushroom caps were sagging and blackened; a few were mostly decomposed. Largest caps about 2 inches diameter.



Proposed Names

30% (2)
Recognized by sight: The “Coprinoid” genera are Coprinus, Coprinopsis, Parasola and Coprinellus. The only one not in Psathyrellaceae is Coprinus, but these are definite not in that genus. In my view I lean towards Coprinopsis due to the scurfy stipe, but it’s really the character of the pileus that matters and these are two old for me to be confident.
64% (3)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Found two this morning
By: Dave W (Dave W)
2011-06-20 19:58:39 CST (+0800)

which showed the patches of dense long hairs. Kuo writes that there are other similar species which can only be separated microscopically. So, even though I believe this to be lagopus, “promising” is as good as it gets here.

The ones found this morning were too far gone to take home for further examination.

Thanks Tim and Alan.
By: Dave W (Dave W)
2011-06-18 07:23:33 CST (+0800)

Coprinopsis lagopus looks like as good a possibilty as we’re gonna get. I’ll check next week to see if any fresh ones (with the fibrillose unexpanded caps) may be found.

Thanks Nathan.
By: Dave W (Dave W)
2011-06-17 21:05:34 CST (+0800)

I didn’t know how to characterize the subgroup which contains the fragile/delicate “coprinoid” species.

Created: 2011-06-17 20:37:58 CST (+0800)
Last modified: 2011-11-11 10:43:10 CST (+0800)
Viewed: 83 times, last viewed: 2018-12-06 12:54:18 CST (+0800)
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