Observation 140405: Tylopilus P. Karst.
When: 2013-07-18
No herbarium specimen

Notes: 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 16:49:42 SAST (+0200)
Last modified: 2013-07-19 16:49:48 SAST (+0200)
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