Found under oaks, on oak bark.
The first micro-shot is of the gill edge at 400x in KOH. The cheilocystidia are both clavate and lageniform and thin walled. Pleurocystidia were also obs., and were more lageniform.
The second micro-shot is of spores from the gill at 1000x in KOH. Here the spores are smokey-grey, ellipsoid, smooth, and no germ pore was obs. The apr. size of the spores is 8 × 5 um.
This seems to key out rather well in Funga Nordica as P. obtusata. In the “British Psathyrella”, it doesn’t key out that well, mostly because it is in the section for “species with small spores, less than 7.5um on ave.”, but in the desc. it says that ave. sized of 7.9um were obs. The desc. matches well in both sources, saying that many spores were obs. to have no germ pore, and only a indistinct germ pore was obs. in a percentage of spores.
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Created: 2011-09-08 14:00:39 EDT (-0400)
Last modified: 2011-09-08 14:07:29 EDT (-0400)
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