Observation 183490: Stereum hirsutum (Willd.) Pers.
When: 2014-10-03
No herbarium specimen

Notes: -It was found growing gregariously on a decaying log.
-A strong distinctive odor was detected, but not quite sure what exactly.
-It’s shaped looked like a cup. The cup structure was measured to be about 5.1 mm in diameter.
-The specimen felt dry, dull, smooth, and somewhat velvet to the touch.
-Upper portion: the inside of the cup was dark brown with concentric rings of gray.
-Lower portion: underneath the cup structure, it was a medium brown color with cream-colored margins.
-There didn’t appear to be an obvious stipe, but there was some extension from the wood that slightly resembled a stipe. It was central and measured to be about 0.9 mm.
-There were no pores, gills, or tines.

The structure was flexible to an extent.


Growing gregariously on log
Clusters were formed
Lower portion of medium brown color with cream margin
Upper portion of dark brown with gray concentric rings on the surface

Proposed Names

56% (1)
Recognized by sight
54% (1)
Used references: Mushrooms of the Midwest by Michael Kuo and Andrew S. Methven
81% (1)
Eye3 Eyes3
Used references: DNA sequencing and BLAST scores

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2014-10-16 23:32:40 PDT (-0700)
Last modified: 2014-12-12 19:40:35 PST (-0800)
Viewed: 36 times, last viewed: 2016-10-26 18:24:18 PDT (-0700)
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