Observation 10512: Leccinum insigne A.H. Sm., Thiers & Watling
When: 2008-08-18
No herbarium specimen

Notes: Found under aspen (and spruce was close enough…).

Looking in the book “Mushrooms of Colorado” by V. S. Evenson, there is L. insigne and L. fibrillosum, the first is under aspen, and the second under conifers. This was mostly aspen, but spruce was around.

The book states that one clear difference is that they both stain grey-purple when cut, but L. fibrillosum first stains wine-red that fades to grey-purple. Looking at the photo when cut here, the staining was to grey-purple, and no wine-red.

Another details to look at is the blue patches near the stipe, it seems this is a common feature in age, and not from blue staining of the flesh when bruised.

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight: Orange-brown-red cap, off-white pores, black scales on stipe, staining grey-purple when cut, no wine-red stains.
Used references: “Mushrooms of Colorado” by V. S. Evenson

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-09-06 12:10:25 CDT (-0400)
Last modified: 2008-09-07 17:18:31 CDT (-0400)
Viewed: 140 times, last viewed: 2016-10-28 09:18:20 CDT (-0400)