Observation 90955: Peziza repanda Pers.
When: 2012-03-25
No herbarium specimen

Notes: Common early spring Peziza in this area. Grows on cottonwood logs; sometimes on the ground/woody debris. The largest ones were over 15 cm and they are quite flattened.

Spores 14-17 × 9-10 microns. Paraphyses were difficult to find.

In the cross-section, there is a middle layer of hyphae parallel to the hymenium. On both sides of it are more or less round cells in a messy arrangement.

I’m unsure of the ID and would appreciate comments. In particular, I’m not sure if the spores I’m seeing are smooth or roughened. Guessing “smooth” is more likely, I gave repanda a higher vote than to arvernensis.

Proposed Names

61% (2)
Eye3 Eyes3
Used references: Tylutki’s “Discomycetes”; PNW Key Council key; Fungi of Switzerland
28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-03-25 23:28:09 PDT (-0700)
Last modified: 2015-02-05 15:46:59 PST (-0800)
Viewed: 65 times, last viewed: 2016-10-28 00:00:28 PDT (-0700)
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