These could be var. guessowii
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of color when it was fresh. The material I collected in open pine forest in Mississippi (a lot of sun could reach the forest floor) became evenly pigmented (just like your evenly pigmented material) even in the button stage. Molecular study (Geml et al. 2008) produced the information that all the collections were from a single species for which the only current name is “Amanita muscaria var. persicina.”
The Geml et al. paper is:
Geml, J., R. E. Tulloss, G. A. Laursen, N. A. Sazanova and D. L. Taylor. 2008. Evidence for strong inter- and intracontinental phylogeographic structure in Amanita muscaria, a wind-dispersed ectomycorrhizal basidiomycete. Molec. Phylog. Evol. 48: 694-701.
Other related papers on research of Geml et al. can be found here:
Dr. Geml is now located at the National Herbarium of the Netherlands, Leiden.
It appears as though I may have actually picked two different Amanitas. Judging from the images, one variety has concentric rings around the base of the stipe (var. Guessowii?) and the other doesn’t. Also, one has consistent coloring throughout the cap (var. Persicina?) and the other doesn’t.
I think that it probably is var. persicina.
Created: 2012-10-08 23:50:04 PDT (-0700)
Last modified: 2012-10-10 11:30:46 PDT (-0700)
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