When: 2009-10-18

Collection location: Granite Bay, California, USA [Click for map]

Who: Katrina (katrina_hong)

No specimen available

Under birch (“birch bolete”), flesh not staining when cut, scabers (numerous projecting tufted hairs)—some washed out/off by rain, stipe staining blue-green below, spores elongated-elliptical and smooth. Dichotomous keys in Mushrooms Demystified by David Arora used.

[admin – Sat Aug 14 02:00:49 +0000 2010]: Changed location name from ‘Granite Bay, CA’ to ‘Granite Bay, California, USA’


smooth elliptical and elongated Leccinum spores very apparent under 100X magnification
scabers very visible on stipe of left specimen

Proposed Names

90% (2)
Recognized by sight: scabers on stipe
Based on microscopic features: spores elongated-elliptical and smooth
84% (1)
Recognized by sight: An updated name for the one in lawns under European birch trees.

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= Observer’s choice
= Current consensus


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