Observation 49923: Amanita rubescens var. alba Coker
When: 2010-08-08
No herbarium specimen

Proposed Names

61% (2)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thank you for this specimen, Eric.
By: R. E. Tulloss (ret)
2013-08-11 20:44:24 CEST (+0200)

We sampled it for sequencing and got a partial sequence for the “fungal barcode” gene. We failed to obtain a sequence for nrLSU (aka 28S) a second gene that is valuable in molecular studies of many organisms.

We have not yet identified rubescens var. alba with a single genetically defined group. There is much more to do. I very much appreciate your willingness to share your collections with me…and now with other colleagues as well.

Very best,

Rod

material received.
By: R. E. Tulloss (ret)
2011-08-18 23:20:45 CEST (+0200)

With the partial veil still in place, spores are probably absent. So this entity remains, for the moment, an open issue in terms of identity.

R

Well, then, you’ve probably got it.
By: R. E. Tulloss (ret)
2010-08-09 16:03:15 CEST (+0200)

Very best,

Rod

Thanks, Rod.
By: Eric Smith (esmith)
2010-08-09 03:55:31 CEST (+0200)

The center of the cap isn’t darker than the rest. These mushrooms start out white/pale and then stain readily on the cap as they age.

I’m gonna vote “promising”
By: R. E. Tulloss (ret)
2010-08-09 03:09:11 CEST (+0200)

It’s just that I can’t be sure of the color of the very center of the cap. And spore measurements really can help separate Coker’s _rubescens var. alba from the pale tan of amerirubescens.

Very best,

Rod

Created: 2010-08-09 02:31:45 CEST (+0200)
Last modified: 2012-07-07 01:57:42 CEST (+0200)
Viewed: 76 times, last viewed: 2016-06-13 02:22:55 CEST (+0200)
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