When: 2012-04-12

Collection location: Sebastopol, Sonoma Co., California, USA [Click for map]

Who: Darvin DeShazer (darv)

Specimen available

Collection #DD681
In a lawn under European Birch trees.
Part of a mycoflora consisting of Russula versicolor, Lactarius pubescens var. betulae, Amanita phalloides and Leccinum cyaneobasileucum. These five species show up in several locations under birch.


Proposed Names

86% (1)
Used references: Dimitar Bojantchev is the local expert on Corts.

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= Observer’s choice
= Current consensus


Add Comment
Thanks Dimitar!
By: Darvin DeShazer (darv)
2012-04-18 21:39:20 CDT (-0500)

Dimi looked at the dried collection and says the spores are 7-8.5 × 4.4-5

By: Dimitar Bojantchev (dimitar)
2012-04-18 01:45:04 CDT (-0500)

No doubt. Checked the spores — same shape and size.

In general
By: Dimitar Bojantchev (dimitar)
2012-04-14 01:25:48 CDT (-0500)

people abuse that name C. hemitrichus a lot and apply it to all kinds of things — those tiny white scales, a remnant of the universal veil are present in many Telamonia, but when poeple see them so prominent they assume C. hemitrichus.

By: Christian (Christian Schwarz)
2012-04-14 00:08:01 CDT (-0500)

I’ve also found these under birches near Stanford.

Interestingly, I’ve never found it in Santa Cruz (even under trees that have L. cyaneobasileucum, R. versicolor, Paxillus sp and L. pubescens var. betulae simultaneously).
I’ve also never found A. phalloides under birch here either.

This may be the
By: Dimitar Bojantchev (dimitar)
2012-04-13 23:05:52 CDT (-0500)

true C. hemitrichus, which is a birch associate. Very exciting. Can I come and see these birch trees? And make more photos?