Observation 10547: Pluteus americanus (P. Banerjee & Sundb.) Justo, E.F. Malysheva & Minnis
When: 2008-09-06
No herbarium specimen

Notes: These little mushrooms slowly turn a light blue where bruised. They smell like active psilocybes and are reported to be psilocybin active. They are very small however (the largest being about the size of a dime), and they are also very infrequent. I have never found more than two or three in a single outing.

Proposed Names

57% (1)
Eyes3
Used references: Molecular phylogeny and phylogeography of Holarctic species of Pluteus section Pluteus (Agaricales: Pluteaceae), with description of twelve new species

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Good Answers
By: Matt (Mycomatt)
2008-09-14 20:33:05 PDT (-0700)

The next time you find one check the log for earmarkings of Fraxinus pennsylvanica, the Green Ash. It is very susceptible to decay/moss overgrowth.

Good Questions
By: Dan Molter (shroomydan)
2008-09-10 20:32:56 PDT (-0700)

What literature are you using to identify these specimens? How are you distinguishing them from Pluteus cyanopus?

Colors and striation of the cap margin, Arora 258.

Can you identify the wood they are growing on?

I have only found them on old logs with no bark, usually very rotten logs in hardwood forests.

Nice pics
By: Alan Rockefeller (Alan Rockefeller)
2008-09-10 20:17:08 PDT (-0700)

Thanks for posting some high resolution images of these, most of the images I see these days were taken on a camera phone and are really hard to see.

Nice find
By: AmatoxinApocalypse (AmatoxinApocalypse)
2008-09-10 19:17:15 PDT (-0700)

I have been looking for these for a while now, i have never found them so finding them would be great for me on a number of levels. They are very beautiful mushrooms, the light blue especially. What type of tree were they fruiting from?

Picture taken on September 6th of Pluteus salicinus
By: Matt (Mycomatt)
2008-09-10 12:04:21 PDT (-0700)

What literature are you using to identify these specimens? How are you distinguishing them from Pluteus cyanopus?

Can you identify the wood they are growing on?

Created: 2008-09-06 19:38:17 PDT (-0700)
Last modified: 2015-05-16 19:41:40 PDT (-0700)
Viewed: 651 times, last viewed: 2016-12-03 22:13:12 PST (-0800)
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