Observation 276255: Agrocybe praecox group

Agrocybe praecox growing from the ground below wood debris. Its spores are 5-6 × 8-9 µm.

Species Lists


A tardigrade exoskeleton hiding in the gills?
Hyphal gill texture (not cellular) (?)

Proposed Names

28% (1)
Recognized by sight
28% (1)
Recognized by sight
Based on microscopic features: Truncate spores elliptical to submitriform.
85% (1)
Recognized by sight
Used references: Michael Kuo http://www.mushroomexpert.com/agrocybe.html
Based on microscopic features: Spores 5-6 × 8-9 µm
-31% (2)
Recognized by sight: Eastern distribution, lack of annulus
Based on microscopic features: Watling and Bigelow report that the spores of this species are 8 – 11 × 6 – 7, slightly larger than you have measured.

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= Observer’s choice
= Current consensus


Add Comment
By: Alden Dirks (aldendirks)
2018-05-23 19:42:24 CEST (+0200)

From the first picture, you can see that these did have a partial veil, and there is a remnant of that on the stipe.

An estimate of spore dimensions…
By: Dave W (Dave W)
2018-03-06 14:39:13 CET (+0100)

would be helpful. A. molesta has fairly large spores

Created: 2017-05-11 18:22:02 CEST (+0200)
Last modified: 2019-04-28 22:01:59 CEST (+0200)
Viewed: 97 times, last viewed: 2019-07-13 16:59:56 CEST (+0200)
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