Notes:
Looking for hints as to what this may be.
lamellae: not purplish as are Stropharia gills
spore print: deposit is purple-brown
microscopic:
spore shape: elliptical with an apiculus
spore size: 6.7 × 3.8
cystidia: ventricose cheilocystidia with encrustations on the apex
Species Lists
Images
User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
Vote | Score | Weight | Users | ||||||
---|---|---|---|---|---|---|---|---|---|
I’d Call It That | 3.0 | 0.00 | 0 | ||||||
Promising | 2.0 | 0.00 | 0 | ||||||
Could Be | 1.0 | 0.00 | 0 | ||||||
Doubtful | -1.0 | 0.00 | 0 | ||||||
Not Likely | -2.0 | 5.83 | 1 | (Alan Rockefeller) | |||||
As If! | -3.0 | 0.00 | 0 | ||||||
Overall Score sum(score * weight) / (total weight + 1) |
-1.71 | -56.91% |
User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
Vote | Score | Weight | Users | ||||||
---|---|---|---|---|---|---|---|---|---|
I’d Call It That | 3.0 | 0.00 | 0 | ||||||
Promising | 2.0 | 5.83 | 1 | (Alan Rockefeller) | |||||
Could Be | 1.0 | 0.00 | 0 | ||||||
Doubtful | -1.0 | 0.00 | 0 | ||||||
Not Likely | -2.0 | 0.00 | 0 | ||||||
As If! | -3.0 | 0.00 | 0 | ||||||
Overall Score sum(score * weight) / (total weight + 1) |
1.71 | 56.91% |
Comments
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Another possibility is an old, dry Stropharia kauffmanii.
Spores 6-8 × 4-4.5 um

Stropharia riparia always has purple gills when I find it.
This looks like a good fit for Psilocybe luteonitens.
Check out p. 123 in Psilocybin Mushrooms of the World by Stamets.
Most of the photos I see of S. riparia show the gills as becoming purple-brown, on my collection, the mature gills are not as purplish as they are brown. Ah well, I am calling it S. riparia for now.

I can’t quite see enough detail in the photos, but see the page on S. riparia for a possible answer.
Looks like a Stropharia species to me.