Observation 52975: Pluteus romellii (Britzelm.) Lapl.
When: 2010-09-12
Collection location: Thoiry, France [Click for map]
Herbarium specimen reported

Notes: Found under oak, hornbeam, fir.

Adding some micro-details:

The first micro-shot is the edge of the gill at 400x in KOH. The cheilocystidia are clavate and thin walled, and dense on a non-fertile edge. Pleurocystidia are similar, but rare, not numerous.

The second micro-shot is of the cap surface at 400x in KOH. The cap surface is a hymeniderm, of globose to ellipsoid elements, pigmented and smokey.

The third micro-shot is of spores from the gill at 1000x in KOH. The spores are sub-globose, smooth, without a germ pore. The apr. size is 6.5 × 5.5 um.

Putting this together, with the yellow stipe, this is Pluteus romellii. Intersting, that microscopically, this is rather similar to Pluteus nanus, which you can see here http://mushroomobserver.org/50869. It seems the important features here are really macroscopic.

Proposed Names

86% (1)
Eye3 Eyes3
Recognized by sight
Used references: Funga Nordica
Based on microscopic features: As described in the text.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2010-09-16 02:29:10 CST (+0800)
Last modified: 2010-09-22 19:31:38 CST (+0800)
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