Observation 67694: Lactarius pubescens var. betulae (A.H. Sm.) Hesler & A.H. Sm.

When: 2010-10-31

Collection location: Arden-Arcade, California, USA [Click for map]

Who: Byrain

No specimen available

Growing on a lawn under birch, intense acrid taste.

Proposed Names

61% (2)
Recognized by sight: L. pubescens or L. torminosus I think.
Used references: Mushrooms Demystified

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Byrain
2011-05-20 19:16:03 CEST (+0200)

“intense acrid taste.” Not as hot as Lactarius alnicola, but quite hot.

As for the latex, for the ones that did bleed, I am fairly certain it did not change color. My memory of the actual color is fuzzier. There were a lot of them last year, so perhaps they’ll return this year.

Lactarius pubescens var. betulae
By: Johannes Harnisch (Johann Harnisch)
2011-05-20 15:58:03 CEST (+0200)

has white latex (or nearly so) that turns yellow….
Did you taste it?

By: Byrain
2011-05-20 15:35:43 CEST (+0200)

I failed to record it and now I don’t recall exactly, I believe this specimen failed to produce any latex, but then I found some more close by under more birch which had milky white latex that didn’t change, but I am unsure how accurate my memory is.

What color was the latex
By: Johannes Harnisch (Johann Harnisch)
2011-05-20 15:20:23 CEST (+0200)

and did it change?

Created: 2011-05-20 09:18:38 CEST (+0200)
Last modified: 2012-02-03 09:20:45 CET (+0100)
Viewed: 72 times, last viewed: 2017-06-09 19:33:18 CEST (+0200)
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