Observation 27461: Caloboletus marshii D. Arora, C.F. Schwarz & J.L. Frank
When: 2009-10-21
No herbarium specimen

Notes: Under Live Oak at 500 feet elevation.
Rapid bluing when cut.
Observed in other years.

[admin – Sat Aug 14 02:00:30 +0000 2010]: Changed location name from ‘Foothills, Yuba County-500 feet’ to ‘Foothills, Yuba Co., California, USA

Proposed Names

28% (1)
Recognized by sight: Looks like a bitter Bolete from my experience.
Not tasted

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Interesting! I wonder if it’s the same as the coastal version.
By: Christian (Christian Schwarz)
2009-10-28 13:14:06 AEDT (+1100)

One thing to look for is any sign of reddish areas on the stipe. The fruitbodies I have found on campus this fall have all had spots, splotches, or streaks of red.
Also, no reticulation anywhere on the stipe, and young caps covered in a dense white bloom that rubs off to reveal an olive-brown or grey-brown cap.

Created: 2009-10-28 11:49:26 AEDT (+1100)
Last modified: 2014-10-28 07:00:54 AEDT (+1100)
Viewed: 44 times, last viewed: 2017-03-29 06:38:05 AEDT (+1100)
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