Observation 74568: Agaricus subrufescens Peck
When: 2011-08-24
No herbarium specimen

Notes: 2" to 4" gilled stalked mushrooms clustered under a conifer. The caps are bell-shaped to convex and have scales. The stalk is hairy and not particularly dilated at the base.

Proposed Names

-52% (5)
Recognized by sight
57% (4)
Recognized by sight
10% (3)
Eye3
Recognized by sight
74% (2)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Yeah
By: Christian (Christian Schwarz)
2011-08-27 07:43:52 PDT (-0700)

too dark on the cap for A. arvensis (whatever that might end up being called), and the cogwheel pattern is more felty and extensive than in that species.

why not indeed?
By: Debbie Viess (amanitarita)
2011-08-27 07:37:12 PDT (-0700)
Why not the Eastern Prince
By: John Plischke (John Plischke)
2011-08-26 20:08:55 PDT (-0700)

Why not the Eastern Prince

cogwheel pattern on partial veil…
By: Debbie Viess (amanitarita)
2011-08-26 08:18:33 PDT (-0700)

is indicative of arvensis, but not sure what other species of Agaricus in section Arvenses grow in PA, nor what distinguishes them.

odd that there was no sweet odor in these, altho odor perception is individual, and not all examples of a species will have an odor when collected.

could be arvensis, the species. can’t wait for Kerrigan’s book to come out, when we might be able to answer some of these questions with more certainty! or not. sigh.

ID and more photos
By: Bob Zuberbuhler (Bob Z)
2011-08-26 07:10:18 PDT (-0700)

I agree with Debbie that this is Agaricus arvensis. Have added two photos, one of a 5" cap with intact partial veil covered with white patches, and the other of an even larger cap with veil remnants and brown gills.

Bob

yes
By: dan harder (iblewit)
2011-08-24 18:38:40 PDT (-0700)

The smell will tell (more or less). Not floccose. No scales on stipe. Hmmm…

Perhaps not A. augustus, but an A. julia (daughter of Augustus)?!?

Agaricus in section Arvenses…
By: Debbie Viess (amanitarita)
2011-08-24 14:22:27 PDT (-0700)

but MO wouldn’t let me make that name choice.

did this mushroom have a pleasant odor?

Created: 2011-08-24 07:30:06 PDT (-0700)
Last modified: 2011-08-27 07:37:49 PDT (-0700)
Viewed: 214 times, last viewed: 2016-12-02 09:15:13 PST (-0800)
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