Observation 356662: Lactarius Pers.

When: 2019-01-26

Collection location: West Side Railroad Trail, Tuolumne, California, USA [Click for map]

Who: Pgrunow

No specimen available

unusually slow change from white to yellow latex, all specimens quite small;
growing with at least manzanita (some may have been from interior live oak);
faint mild/indistinct odor and very acrid taste
Edit: After looking at the specimens, I think these were most likely aberrant xanthogalactus. The spores I could get were a little small, but perhaps that is a function of fruitbody size/age. The stipes never became terribly orange or brown, but they did age with some color and that does seem to vary with that species. More “normal” xanthogalactus (in terms of color change time and more obvious zonation) were found in large numbers further up the trail.


Proposed Names

86% (1)
Recognized by sight
-61% (2)
Recognized by sight: much in common with #6099, but original description differs regarding latex change; appears to be atypical for xanthogalactus
Used references: MO, original published description (Methven)

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= Observer’s choice
= Current consensus


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