Observation 51481: Cortinarius talus Fr.

When: 2010-08-12

Collection location: Fraser Experimental Forest, Grand Co., Colorado, USA [Click for map]

Who: Ron Pastorino (Ronpast)

Specimen available

Notes:
Another Colorado Cortinarius which seems to lack a name.
The cap appeared dry, somewhat virgated, and up to 7.8 cm across.
KOH on the cap gave a slight red brown color.
KOH on the other surfaces was neg.
The spores were ~ 8.4-9.2 X 5.1-6.1 microns. They were relatively smooth and many displayed an oil droplet(in KOH).
I changed the proposed name to Cortinarius talus based on the suggestion from Dimitar and the similarity to at least the western NA version of the European species.

Images

101253
101254

Proposed Names

57% (1)
Eye3 Eyes3
Used references: Mushroom Hobby website
Mushrooms of the Pacific Northwest by Trudell & Ammirati

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Close to the Western American version of Cortinarius talus…
By: Dimitar Bojantchev (dimitar)
2010-08-28 03:54:58 PDT (-0700)

Ron, great observation — this one comes closer to the vicinity of Cortinarius talus, the way we interpret it in the American West. I had one sequence, which was not very good for a confident judgment, but it still indicated closeness to the European material. I will get a better one eventually.

Here is a similar collection from California.

Mushroomhobby.com link

D.

Created: 2010-08-27 16:32:05 PDT (-0700)
Last modified: 2010-08-28 10:10:26 PDT (-0700)
Viewed: 99 times, last viewed: 2018-05-27 06:14:49 PDT (-0700)
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