Observation 65281: Hebeloma crustuliniforme (Bull.) Quél.
When: 2011-01-16
Herbarium specimen reported

Notes: Found under live oak.

The first micro-shot is of the gill edge at 400x in Meltzer’s. The cheilocystidia are more or less uniform, mostly cylindrical, with slightly inflated ends. No pleurocystidia were obs., also there are 4-spored basidia seen.

The second micro-shot is of spores from the gill at 1000x in Meltzer’s. The spores are ellipsoid, pointed, tan, no germ pore, lightly roughened, and non-dextrinoid. The ave. apr. size is 12 × 6 um.

With the light colors on the cap, light brown disc with off-white margin, and the cylindrical cheilocystidia, and non-dextrinoid lightly roughed pointed spores, this all seems to agree with Hebeloma crustuliniforme.

Of course no that I look this over again, the differences are rather slight… I might need to keep looking at more Hebeloma to get more confidence, but this looks good for now.

Proposed Names

86% (1)
Eye3 Eyes3
Recognized by sight
Used references: Funga Nordica, “The Genus Hebeloma in Europe” J. Vesterholt
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: 2011-04-07 08:26:53 CDT (-0400)
Last modified: 2011-04-07 08:34:26 CDT (-0400)
Viewed: 43 times, last viewed: 2017-01-04 17:24:16 CST (-0500)
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