Observation 64455: Mycena (Pers.) Roussel

When: 2011-03-17

Collection location: Union City, Michigan, USA [Click for map]

42.065973°N 85.15917°W [Click for map]

Who: Sheldon (DragonSMP)

No specimen available

found this in the woods, at the base of a dead hardwood


Proposed Names

53% (2)
Recognized by sight
-56% (2)
Recognized by sight
47% (2)
Recognized by sight: Microscopy needed…

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= Observer’s choice
= Current consensus


Add Comment
not a Callistosporium
By: Sheldon (DragonSMP)
2011-03-18 20:38:12 CDT (-0500)

Michael Kuo, from mushroomexpert.com, said this about Callistosporium luteo-olivaceum

“This little mushroom is a decomposer of dead wood—primarily the wood of conifers. It has an olive to yellow cap, yellow gills, and a white spore print. Ho-hum. Truth be told, Callistosporium luteo-olivaceum is pretty boring, though it becomes slightly more interesting with the application of KOH (its cap turns purplish red) or under the microscope (its spores turn purplish in KOH).”

I found this mushroom, growing on deciduous wood, most likely elm, and not near any conifers. It doesn’t seem likely that this mushroom is Callistosporium
I also just administered some KOH to a cap from one of these mushrooms, see attached photo. It did not turn purplish red.

spore print
By: Sheldon (DragonSMP)
2011-03-17 16:56:05 CDT (-0500)

I will attempt to make a spore print, and upload a photo of it

not a Pluteus species
By: else
2011-03-17 16:34:05 CDT (-0500)

I’m afraid that this is not a Pluteus species – look at the way the gills are attached to the stipe – in Pluteus they are free. Also in Pluteus they have with aging a pink look to them, I don’t see that in these pictures.
This looks like a white spored species.