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As you can see, I’m in the process of posting current views of some of the rubescent taxa that…
By: R. E. Tulloss (ret)
2013-10-12 21:55:07 CDT (-0400)

we are finding were comibined into the first draft concept of amerirubescens. We are finding that A. rubescens var. alba is indeed distinct from other rubescent taxa. We have found that A. flavorubens and A. sp-N47 (as described now on WAO) are also distinct taxa. There appear to be at least three additional things that have been called “rubescens” in eastern North America. These we are temporarily calling “__sp-amerirubescens01” (including this observation), “__sp-amerirubescens02”, and “__sp-amerirubescens04”. No “…03”—-that’s right for the moment.

Very best,


Hello, Patrick.
By: R. E. Tulloss (ret)
2013-10-12 21:46:47 CDT (-0400)

This specimen was sequenced and falls into a group that I’m temporarily calling Amanitasp-amerirubescens01.” You can watch information about this species developing here:


Although it can’t be seen in this photograph, most of the collections we have for this entity have a yellow to pale yellow underside of the skirt-like partial veil.

We’d like more of this species in case you should find it again. Several of our collections that probably are assignable to this species are a little old to expect that we could obtain DNA from them. So, we’re looking for additional, new collections. I probably have only seen this half-a-dozen or so times in the field; so it may not be very common.

Very best,


Thank you
By: Patrick Harvey (pg_harvey)
2013-08-11 17:49:56 CDT (-0400)

And thank you for your interest in my collections. Most of the rain missed
Saint Louis, but I went out of town to Cuivre River and Hawn State Park, and
found 8 more interesting things for you.

— Patrick.

This material has been successfully sequenced…
By: R. E. Tulloss (ret)
2013-08-11 15:04:47 CDT (-0400)

for the so-called “fungal barcode” gene and for a portion of the nrLSU (aka 28S) gene that is also used in molecular study of a number of organisms including Amanita. These sequences will play a role in our study of rubescent amanitas. There is a lot more work to do.

Thank you for sending your material to us, Patrick.

Very best,


Material received
By: R. E. Tulloss (ret)
2009-09-16 10:07:16 CDT (-0400)

I concur with your ID, Patrick.