Observation 243648: Boletus atkinsonii Peck

Notes:
Found in grass under oak. The area had a wide variety of other boletes from several genera.

There are problems with calling it B. pallidus. The pores did not bruise and the chemical tests are off. The cap of pallidus is supposed to turn rusty orange with both ammonia and iron salts. No reaction here. And the pores are supposed to turn gray-green with ammonia. Again, no reaction.

My alternative ID was T. intermedius, but there’s no bitter taste unless you let your imagination work on you, there appears to be some white netting, and there was no reaction to iron salts. My worry is that the bitter taste will develop as it dries and then ambush my next sauce…

T. indecisus also has issues because there was no reaction to ammonia (maybe a slight pinking of the pores) and the supposedly strong KOH reaction was missing too.

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Proposed Names

-16% (2)
Recognized by sight
Used references
Based on chemical features: No help at all!
-16% (2)
Recognized by sight
Used references
Based on chemical features
-16% (2)
Recognized by sight
Used references
Based on chemical features
28% (1)
Recognized by sight: “Stuffed” pores make this obs a resident of the porcini, aka Boletus sensu stricto, clade. Negative ammonia reaction on the pileipellis detracts from this proposal

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= Observer’s choice
= Current consensus

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