Observation 18893: Amanita lividopallescens (Secr. ex Boud.) Kühner & Romagn.
When: 2008-07-01
Herbarium specimen reported

Notes: A species from the difficult Amanitopsis group somewhere in between A.beckeri and A.vaginata complex. There are many similar species like A.separata or A.ochraceomaculans…

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By: R. E. Tulloss (ret)
2009-02-26 16:59:05 CST (-0500)

Gerhard is quite correct about the difficulty of dealing with species of sect. Vaginatae as many of us have experienced. He mentions two recent names. I hope it is not too controversial to say that I have examined many specimens of A. fulva as it is known in England, Germany (Bavaria), Switzerland, etc.; and I can find absolutely no difference between what I take to be a widely held concept of A. fulva and the recently described A. ochraceomaculata.

I believe that Dr. Z. L. Yang and I have found at least some microscopic methods of segregating the taxa in sect. Vaginatae; however, very few other taxonomists have adopted these methods. There isn’t an alternative approach of which I know. Because so many amanitas are adaptable to multiple mycorrhizal hosts, I don’t hold out a great deal of hope for abandoning microscopy in favor of ecology, as has been suggested by some.

Rod Tulloss

A. submembranacea?
By: R. E. Tulloss (ret)
2009-02-26 16:54:17 CST (-0500)

Gerhard, how did you decide to eliminate A. submembranacea in favor of A. lividopallescens?


Created: 2009-02-26 14:37:26 CST (-0500)
Last modified: 2010-04-27 07:56:32 CDT (-0400)
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