Observation 28507: Lepiota (Pers.) Gray

These certainly look like a Cystoderma species. However, the white spores were definitely dextrinoid. The microscope picture was taken with the spores in Melzers and the they were red-brown. While Mushroom Demystified and Mushroom Expert both state that Cystoderma species are never dextrinoid another European web reference(Mycokey) says that they can be dextrinoid(???). The spores were about 4.5 X 3.0 microns and smooth.
The caps were up to 4.4cm across with some of those characteristic Cystoderma folds and some granules and pyramidal warts. The gills were adnexed to almost free.
There was no ring but plenty of brown scales on the stipe. The basic brown color of the cap as well as the darker brown granules and warts did not match any Cystoderma I could find.
The were growing on the ground, edge of a trail, in the vicinity of Douglas fir, Bay and possibly other hardwood.
They look distinctive so I’m guessing I’m missing something obvious.


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