Observation 76818: Boletus L.

When: 2011-09-17

Collection location: White Wolf, Yosemite National Park, California, USA [Click for map]

Who: David Rust (incredulis)

Specimen available

growing on soil near Lodgepole pine. YNP2138

Proposed Names

18% (2)
Recognized by sight
Based on chemical features: pores blue slowly
27% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Probably too late now …
By: Daniel B. Wheeler (Tuberale)
2011-09-20 21:58:17 PDT (-0700)

but I would have sliced it in half. It looks to me like a Gastroboletus, and slicing it in half to observe the sudden color change is one of the key characteristics of many species in this genus. Slowly bluing pores suggest a Gastroboletus somewhat atypical and possibly rare.

Created: 2011-09-20 13:28:05 PDT (-0700)
Last modified: 2011-09-20 23:06:56 PDT (-0700)
Viewed: 36 times, last viewed: 2017-06-09 20:03:42 PDT (-0700)
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