Observation 171350: Boletus fraternus group
When: 2014-07-27
No herbarium specimen

Proposed Names

28% (1)
Recognized by sight
55% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I agree it is not a Gyroporus.
By: Daniel B. Wheeler (Tuberale)
2014-07-27 18:13:53 HST (-1000)

I would add it has no blue staining, whatsoever. It does stain green on the upper stipe and pores.

Not a Gyroporus
By: Christian (Christian Schwarz)
2014-07-27 10:41:08 HST (-1000)

The blue staining, large yellower pore mouths, and red (not purplish-red), areolate cap surface, and truer red colors of cap and stem rule out Gyroporus.

Also, there’s no value in stating that it is unlikely to find Gyroporus in California or Oregon (even if this was one, which this isn’t), since this was found in North Carolina.

Did you slice this David?
By: Daniel B. Wheeler (Tuberale)
2014-07-27 10:28:34 HST (-1000)

Interesting Boletaceae. Not so certain of Gyroporus, but could be. Arora lists only 3 in Mushrooms Demystified. Then states it is unlikely to find them in California. I’d say the same thing about Oregon. I think you may be better served by a comprehensive local mushroom book than by something with a decided West Coast perspective.

Could be something like G. purpurinus in Mushrooms Demystified. I don’t see the purple color though. The stipe is distictively red and the scales on the cap are rose at least. Perhaps this would change colors when sliced? If you find it again?

Created: 2014-07-27 09:02:19 HST (-1000)
Last modified: 2014-07-28 07:32:24 HST (-1000)
Viewed: 48 times, last viewed: 2017-06-18 07:20:14 HST (-1000)
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