Notes: At first I thought this was a Volvariella, then I noticed it didn’t have a volva. It had free gills and the older specimen’s gills were starting to turn pink, so I concluded it was a Pluteus. However, when I got home and tried to look it up, I realized that Pluteus doesn’t normally have a ring. Arora makes a comment about the genus Chamaeota as a genus in the Pluteaceae that has no volva, but does have a ring. None of the other books I checked even mentioned the genus. Looking on the web I found a photograph of Chamaeota sphaerospora on MushroomExpert.Com, but no other photos.
However, when Darvin looked at it he suggested that it might just be Leucoagaricus leucothites. This seems pretty likely. I put the specimen on the drier before I took an actual sporeprint.
I also check a couple of microscopic feature based on an email from Else Vellinga. The spores definitely had a germ pore and the gill trama did not appear to be convergent as it would be for Chamaeota.
Leucoagaricus leucothites (Vittad.) M.M. Moser ex Bon on MyCoPortal
Leucoagaricus leucothites on MycoBank
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Created: 2006-10-05 02:13:43 CDT (-0400)
Last modified: 2006-10-06 00:44:13 CDT (-0400)
Viewed: 26 times, last viewed: 2016-09-24 20:19:36 CDT (-0400)