Observation 7659: Leccinum scabrum (Bull.) Gray
When: 2008-05-30
Herbarium specimen reported

Notes: ponderous bolete, several but each solitary, on trail bank in open dry birch and doug fir park land
ST: 70 × 20 mm, broadening significantly below but pinching to a point at ground, solid, reticulate ridged, whitish but brown on ridge edges, no sign of veil, stain yellow at v base when sliced in half(!)
CAP: 40-70 mm wide, hemispherical, fleshy heavy thing, brown to dark brown but some strongly areolate showing off-white flesh through copious cracks, faintly tomentose but not fibrillose
FLESH: 15-20 mm thick, off-white, firm to slightly spongy, not discoloring, no odor
TUBES: off-white, 2-3 per mm, up to 15 mm long, soft, depressed sharply at stem
SPORE: print rather light yellow-brown, smooth, elliptical, not truncated, 19-25(35!) x 5-6 µm, some with random bubbles inside

I plowed through Smith’s Boletes of Michigan for some time, but couldn’t make sense of this one. I never saw the yellow staining stem base mentioned anywhere (outside of Agaricus), and few have such long narrow spores. Seems clearly in the section Boletus, but I can’t figure where to go from there.

And once again I must apologize for not having a photo.

And without a proper drier, I’m not entirely hopeful this thing will dry before rotting, so the “Herbarium Specimen Available” might be overly optimistic.

Proposed Names

58% (1)
Eye3 Eyes3
Recognized by sight: (See observation 21263, taken the following year from the same approximate location.)

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2008-06-02 07:01:49 CEST (+0200)
Last modified: 2008-06-02 07:01:49 CEST (+0200)
Viewed: 122 times, last viewed: 2016-03-20 18:49:29 CET (+0100)
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