Collection location: Jenkinson Lake, El Dorado Co., California, USA [Click for map]
This one specimen was growing mostly underground on a trail At ~ 4000 ft. I didn’t note the specific trees nearby but there were pines and Doug fir in the area.
It was about 7.5 cm across and 3.5 cm high.
Spores were ~ 6.0-7.0 X 2.0-2.2 microns with a couple of oil droplets.
The bluish tints seemed to fade with time or as it warmed up. There were patches of snow nearby.
The spores seemed to be within the range of Rhizopogon villosulus, R. hawkerae and R. subareolatus.
Did not notice and strong odor and the taste was mild.
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sum(score * weight) /
(total weight + 1)
Spore size matches in Smith, Smith & Weber, which for a long time was the only key to Rhizopogons. Fruiting body “grayish vinaceous to vinaceous brown” in the key; here looks more just vinaceous. Spores should be “7-9 × 2.25 microns”.
Regretfully while suggestive, this is not definitive. Original R. maculatus collected near S.F. in spring, not Jenkinson Lake in fall. Still … something to consider at least. Might be more widespread in CA than currently known, and might fruit at higher elevations in fall rather than spring. Color probably refers to more mature specimens, too.
Created: 2011-11-10 22:17:24 CDT (-0400)
Last modified: 2016-03-21 16:38:46 CDT (-0400)
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