Spore print black. Spores 10-12 × 5-6.5 microns.

Species Lists


1000x, in water.
Hilar appendage, I suppose.
Pleurocystidia on this and the next photo.

Proposed Names

-41% (3)
Recognized by sight
78% (2)
Recognized by sight: Fragile stem, dark spores.

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= Observer’s choice
= Current consensus


Add Comment
By: Ruzica and Sava Krstic (ruzasava)
2011-05-07 20:51:17 CST (-0600)

Essential comment—-greatly appreciated.

By: Alan Rockefeller (Alan Rockefeller)
2011-05-07 20:36:49 CST (-0600)

This is the wrong habitat for Panaeolus. Many Psathyrella have mottled (inaequihymeniiferous) gills too. The microscopy strongly points to Psathyrella due to the elongate ellipsoid spores and the shape of the cystidia.

edit: It’s spelled

By: Ruzica and Sava Krstic (ruzasava)
2011-05-02 23:01:53 CST (-0600)

Thanks for the correction. I was not sure what to write, Panaeolus or Psathyrella; the distinction between the two is not always clear to me. In this example, I was not sure whether one could call these gills mottled or not.