Observation 140405: Tylopilus P. Karst.

When: 2013-07-18

Collection location: Hunlock Creek, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

Collected in same area as other collections which I have tentatively IDed as T. rubrobrunneus. This one was collected during a spell pf hot dry weather. So the cap color may have faded.

KOH on cap brownish. KOH on stipe yellow.

Collections I have made of Tylopilus (rubrobrunneus?) from a few different patches on my property have produced variable KOH reaction, especially on the cap surface… sometimes mustard green, other times reddish, or like this brownish. I wonder if variability of KOH reaction may occur within a single species… prehaps as a function of maturity of specimen, recent rainfall, or some other factor?

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Created: 2013-07-19 09:49:42 CDT (-0500)
Last modified: 2013-07-19 09:49:48 CDT (-0500)
Viewed: 25 times, last viewed: 2017-06-16 07:16:00 CDT (-0500)
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