Observation 109096: Amanita citrina sensu auct. amer.
When: 2012-09-08
No herbarium specimen

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Yes,
By: Eric Smith (esmith)
2013-05-17 17:02:52 CDT (-0400)

I did see that. Very cool! I’m glad I could make even a small contribution to your great website!

Did you notice?
By: R. E. Tulloss (ret)
2013-05-15 20:54:43 CDT (-0400)

This collection of yours has been sequenced and is one of our (currently) few sequences Amanita sp-lavendula03. The techtab for that temporarily code-named taxon is worth a look…if you haven’t already seen it.

Here’s your baby: NEW YORK—Oneida Co. – loc. unkn., 13.ix.2010 Eric Smith s.n. [mushroomobserver.org #52741] (RET 484-7).

Very best,

Rod

Hello, Eric.
By: R. E. Tulloss (ret)
2013-05-15 20:10:54 CDT (-0400)

We really are interested in all rubescent material of Amanita. So we are interested in A. rubescens var. alba, anything that people call rubescens in North America, __A. flavorubens, etc. If we can do so, we’ll examine Asian and African rubescent taxa, hopefully we’ll examine the types of novinupta and brunneolocularis. The focus is largely on North America vs. Europe for what Drs. Hughes and Petersen call the “Big Pond” project. I’m fairly sure there are more than seven or eight rubescent taxa in North America (Canada to Mexico). We’ll accomplish what we can.

I’m particularly happy about it because we’ve already started work on the citrinoid material that we could get our hands on quickly (for example, material in the herbarium at Univ. of Tennessee, Knoxville, and in my herbarium); and quite a database of sequences is building up. Some (demonstrating the hybrid taxon that probably lacks a name, for example) are already posted on GenBank. The new paper on hybrids including the lavender staining citrinoid hybrid has been accepted and will soon appear in Mycologia.

The project that MO observers can pitch in on this year will (we hope) greatly expand the genetic data for the lavender staining citrinoid taxa and, we hope, help to start make added sense of rubescent amanitas and the taxa that seem to be similar to A. solaniolens.

We are trying to catch up with the accessioning of material that people sent to us last year. It was a rough year for me personally; however, it was a good year for receipt of specimens from around North America and the world. We have at least a dozen boxes of specimens to go through as well as many envelopes and other containers.

More in a bit.

very best,

Rod

I hear ya
By: Eric Smith (esmith)
2013-05-15 19:14:17 CDT (-0400)

loud and clear, Rod! I’m excited about collecting the taxa you’re requesting! I have what may be a dumb question but I’m a little confused. Are you looking for collections of all rubescent material, or just material that “stains like A. rubescens”?

If you find this again in 2013, …
By: R. E. Tulloss (ret)
2013-05-15 19:10:47 CDT (-0400)

If you find this again in 2013, it would be great if you could dry it and post on MO about it.

This year there is a project to obtain “citrina-like” specimens from as much of North America as possible, for DNA analsysis.

Eric, I wanted to be sure that you new about the above effort. It is well underway, but we really need to extend the geographic regions from which sampling is happening. We have three WAO pages that show the information that we are building up with regarding to collections’ locations (see the techtabs):

http://www.amanitaceae.org?Amanita+sp-lavendula01

http://www.amanitaceae.org?Amanita+sp-lavendula02

http://www.amanitaceae.org?Amanita+sp-lavendula03

Very best,

Rod Tulloss

Created: 2012-09-08 20:33:51 CDT (-0400)
Last modified: 2012-09-08 20:34:02 CDT (-0400)
Viewed: 100 times, last viewed: 2016-06-12 19:47:03 CDT (-0400)
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