Observation 21221: Lactarius Pers.
When: 2009-05-20
No herbarium specimen

Notes: These were growing near pine and the conditions were fairly dry. No latex exuded and the taste was mild. There was no sign of any green colors and the mass color of the spores was white. The faintly zonate caps size were up to 10.8 cm across and the whitish stipe was short and stocky. The flesh was initially white when first cut but soon turned to a light yellow.
The spores were elliptical to subglobose and approx. 7.6 X 6.5 microns. They were warted and amyloid(at least the ridges/see photo).
Couldn’t find a match. Most keys require a latex color except perhaps for L. deliciosus, which I ruled out because of spore and gill color and lack of any orange or green color development.

[admin – Sat Aug 14 02:06:29 +0000 2010]: Changed location name from ‘Sugar Pine Lake, Placer County, Ca.’ to ‘Sugar Pine Lake, Placer Co., California, USA

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Some characteristice of L. alnicola but
By: Ron Pastorino (Ronpast)
2009-05-23 16:25:35 BST (+0100)
these definitely did not have a acrid taste (retested today). It’s also interesting that while L. alnicola is apparently also found under conifers in the PNW and the Rockies, it doesn’t show up on species lists for the spring Sierras nor on Mushroom Observer except for local coastal obsevations.
By: Shane Marsh (Mushane)
2009-05-23 06:09:52 BST (+0100)

did you look into Lactarius alnicola ?

Created: 2009-05-23 04:40:45 BST (+0100)
Last modified: 2011-03-17 16:41:13 GMT (+0000)
Viewed: 46 times, last viewed: 2016-10-26 13:10:37 BST (+0100)
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