Observation 53438: Psathyrella candolleana (Fr.) Maire
When: 2010-09-20
No herbarium specimen

Notes: Found on a slight hill in dirt/grass, where water was dripping down onto the sidewalk. There was a cluster of light brown/tan capped mushrooms with very thin caps, dark brown gills, and thin hollow stipes that were mostly white, with a little brown near the top. A few inches next to it were mushrooms (also pictured) that looked identical in gill and stipe, also in clusters but with dark brown caps. These were also much wetter, like maybe advanced age. Both are very fragile. I ran through a bunch of possibilities in Mushrooms Demystified last night but various characteristics eliminated it. Incidentally the 3 black spored mushrooms (Coprinus?) I am about to also post were a few inches away.

The spore print is brown (photos look a little blacker). The deposits are pretty thick in parts but even where it is thinner it seems a darker brown, not a light brown.

Images

106555
Copyright © 2010 Adam S.
106556
Copyright © 2010 Adam S.
106557
Copyright © 2010 Adam S.
106558
Copyright © 2010 Adam S.
106559
Copyright © 2010 Adam S.
106560
Copyright © 2010 Adam S.

Proposed Names

-81% (1)
Recognized by sight
74% (2)
Eye3 Eyes3
Recognized by sight: Second pic sure looks like it
28% (1)
Recognized by sight: Dark caps…

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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no fibrillose ring on stalk
By: Adam Singer (adam)
2010-09-21 14:19:46 PDT (-0700)

Thanks again Alan,

When I keyed this out to Psathyrella candolleana (amongst other things!) I rejected it as uncertain because Mushroom’s Demystified refers to an occssional fibrillose ring forming on the stalk and none of these had that. Also these were grouped in clusters and he doesn’t mention that feature for this particular species though that feature is in the key. But in terms of the other characteristics (very fragile overall, thin hollow stipe, hygrophanous but not viscid cap, and honey-brown color (of one cluster), they are a match. The older ones have darker brown caps than mentioned in MD and no mention is made of striations in the cap, which these seem to have.

thanks

Created: 2010-09-21 11:43:00 PDT (-0700)
Last modified: 2012-01-24 11:09:16 PST (-0800)
Viewed: 49 times, last viewed: 2016-10-22 09:29:36 PDT (-0700)
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