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Observation 422310: Agaricus L.

When: 2020-08-12

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

Who: Dave W (Dave W)

Specimen available

Scattered on the ground in open woods; mainly oak and pine.
Spores 5-5.5 × 3-3.5.

Species Lists


Proposed Names

58% (1)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
No, I didn’t section a fruit body…
By: Dave W (Dave W)
2020-08-15 10:54:54 CST (+0800)

which would have provided useful info. Still, I think these represent the same species as obs 421187. Both appearance and spore dimensions match. Also, obs 244660 which was suggested by I. G. Safonov for comparison looks similar. The trees in this forest included at least two types of pine and at least two types of oak, including white oak.

These look…
By: I. G. Safonov (IGSafonov)
2020-08-13 22:53:23 CST (+0800)

…a bit like obs 244660. Would be nice to have input from Dr. Kerrigan.

Did you section this?
By: Chris Cassidy (cmcassidy)
2020-08-13 21:51:42 CST (+0800)

Any staining? KOH?