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Did you send material of this observation? I definitely see the pinkish cast on the upper stem.
A pinkish tint was said to be evident on the upper stem of A. murinoflammeum; however, the flesh inside the cap and stem was white in the photographs that I was sent (there may have been glare). __Amanita murinoflammeum has a volval sac and a partial veil that because grayish brown as the mushroom aged. On the other hand, there is a distinc basal bulb at the base of the stem in most images of murinoflammeum, indicating that it belongs in sect. Amanita contrary to the original description of the species, which placed it in the Caesareae. On the contrary, the present species (especially in your photographs of cross sections in other MO postings), clearly has no bulb at the stipe base in which the base of the volva comes to a point. The stem gives every indication of being totally elongating. Hence, without further evidence to conflict with what I see now, I’d say that this material is in section Caesareae. I have the hope of getting DNA sequences from your material with the help of Santiago Sanchez in Dr. Jean-Marc Moncalvo’s lab. in Toronto. I’ll report the results in the future on MO. and WAO.
Thanks for posting these additional photos.
Created: 2013-08-24 08:28:30 BRT (-0300)
Last modified: 2013-08-24 08:46:00 BRT (-0300)
Viewed: 21 times, last viewed: 2014-11-20 23:14:02 BRST (-0200)