Observation 74026: Xerocomus tenax Nuhn & Halling
When: 2011-08-15
Herbarium specimen reported

Proposed Names

56% (1)
Recognized by sight: Broad coarse reticulum on white stipe. Dry subtomentose pileus. This is B. tenax ss Smith & Thiers in Boletes of Michigan, non Bolton, non Lightfoot. In the sense of the latter two as noted by Index Fungorum (not verified by me), the latter concepts are attributable to Laetiporus sulphureus.
84% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Easiest to see is that the
By: Roy Halling (royh)
2011-08-16 15:19:43 COT (-0500)

context is pale yellow in illudens, white in tenax. Also the stipe colors are yellow in illudens and whitish in tenax. Differentiated in Bessette et al. (compared in the commentaries), photographs show the differences as well. Also the differences can be compared if you read the descriptions in Smith & Thiers (online at Univ Michigan).

Roy,
By: I. G. Safonov (IGSafonov)
2011-08-16 14:30:21 COT (-0500)

How can one differentiate macroscopically between B. tenax and B. illudens?

Rare?
By: Roy Halling (royh)
2011-08-16 10:37:15 COT (-0500)

I’m thinking not so rare, but widely distributed here in the EUSA. The taxon grows here at NYBG in the same place, but doesn’t show up every year.

nice find.
By: Debbie Viess (amanitarita)
2011-08-15 18:46:20 COT (-0500)

and so close to work! ;)

Is this mushroom fairly rare? Its reticulum is certainly distinctive.

Created: 2011-08-15 17:54:32 COT (-0500)
Last modified: 2015-09-11 10:07:54 COT (-0500)
Viewed: 204 times, last viewed: 2016-08-22 08:30:43 COT (-0500)
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