Observation 24895: Lactarius pubescens Fr.

When: 2009-09-01

Collection location: Aptos, California, USA [Click for map]

Who: Shane Marsh (Mushane)

No specimen available

maybe lactarius?

Proposed Names

-17% (2)
Recognized by sight
26% (4)
Recognized by sight: Short stipe, depressed cap, cobwebby veil, possibly some latex present. One of the odd Lactius with cobwebby veils. (Great photos of it, btw!) I’ve seen this in Oregon before, always associated with birch, don’t remember name. Will have to do more research.
38% (4)
Eye3 Eyes3
Used references: Arora’s MD, p. 73, under L. torminosus. White cap and small stature, associated with birch strongly suggests this. But to be positive, would have to examine the spores which should be smaller than L. torminosus.
17% (3)
Recognized by sight: Common enough in the bay area under ornamental birch trees.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Shane Marsh (Mushane)
2009-09-02 01:25:04 CDT (-0400)

growing next to obs #24884, probably paper birch but aspen is another close guess, I can take pics as needed

Need more than just the photos (at least for me)
By: Daniel B. Wheeler (Tuberale)
2009-09-02 00:31:17 CDT (-0400)

Do you remember if there were any trees nearby? If so, what species were they? For this to be Lactarius, there would have to be a host plant. It wouldn’t have to be very close. If a tree is 30 feet tall, a symbiotic Lactarius could be fruiting up to 60 feet away. But more likely the host would be proportionately closer.

Created: 2009-09-01 23:42:03 CDT (-0400)
Last modified: 2009-09-01 23:42:03 CDT (-0400)
Viewed: 57 times, last viewed: 2017-09-19 09:03:42 CDT (-0400)
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