Observation 61150: Cortinarius purpurascens group
When: 2010-12-20
Herbarium specimen reported
0 Sequences

These were growing under Live Oak and had slimy caps up to 12.0 Cm across.
The spores were ~ 7.1-8.0 X 4.4-5.3 microns and fairly rough.
KOH on the cap turned reddish brown after a few minutes. Little effect on the other surfaces.

Proposed Names

20% (2)
Recognized by sight
78% (1)
Recognized by sight
Based on microscopic features: The spores shape and ornamentation

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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C. purpurascens gr.
By: Dimitar Bojantchev (dimitar)
2010-12-22 05:28:04 GMT (+0000)

Ron, very good observation – you did notice the more ornamented spores – this is one of the two C. purpurascens genotypes that we have in California. Note the purpurascing gills on the first photo.



Created: 2010-12-22 00:22:08 GMT (+0000)
Last modified: 2015-02-22 01:08:34 GMT (+0000)
Viewed: 72 times, last viewed: 2017-06-08 13:03:15 BST (+0100)
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