When: 2014-08-13

Collection location: Acadia National Park, Maine, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

Birch-dominated woods.
Latex white, not changing color.


Proposed Names

23% (3)
Recognized by sight
-30% (2)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
These certainly look like…
By: Dave W (Dave W)
2016-02-26 22:55:05 CST (-0500)

the proximellus photos seen at CduQ. That site also mentions the latex as “scant”, but a couple of the photos show generous latex similar to what is seen in this obs.

The thing that favors peckii…
By: Dave W (Dave W)
2014-08-20 23:12:07 CDT (-0400)

is the abundance of white latex. Proximellus is reported as having scant latex. Coastal humidity and/or recent rainfall may play a role. But that’s a lot of latex I see in the one pic.

After being picked, the gills darkened as they aged. But I believe the photos accurately show them as originally whitish. Phillips calls the color of young peckii gills “pale buff.” But all the photos I can find show peckii with more strongly tinted gills than the ones seen in this obs. Also, gills are broadly attached to subdecurrent. So the gills point toward proximellus.

Interesting that both peckii and proximellus are reported as oak associates. Although I listed “birch-dominated woods” as the habitat, there were a few oaks in the area.

Thanks for the proposals dario and Walt.