Observation 208928: Amanita sect. Phalloideae (Fr.) Singer
When: 2015-07-05
No herbarium specimen

Notes: How about these Grey ones, Dr. Tulloss?

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Dr. Tulloss
By: Geoff Balme (geoff balme)
2015-07-06 14:58:07 PDT (-0700)

email me an address, my toaster oven did a fair job drying these things down – I managed to get the two in question in that photo, they are packaged separately and ready to ship!

Thank you very much.
By: R. E. Tulloss (ret)
2015-07-05 19:25:04 PDT (-0700)


the “teen” was a whitish one
By: Geoff Balme (geoff balme)
2015-07-05 13:29:49 PDT (-0700)

I will be out again tomorrow and I’ll see if I can dry some for you.

Was the “teenager” in the lower right of the photo also gray?
By: R. E. Tulloss (ret)
2015-07-05 13:12:25 PDT (-0700)

We have a member of the Phalloideae that begins very dark and becomes gray with age in the Appalachians. However, I’m not aware of a graying North American species that begins white or off-white. There is such a species in Central America (A. eburnea) that I may have seen in Mexico. I don’t know it for the U.S. If you can dry some of the present species, I’ll be interested in taking a look. I’ve been asked to participate in a study of toxic North American Phalloideae. A collection of this critter would fit the bill very well. If the plan is funded and the chemistry does its job, we ought to get a toxin assay, DNA sequences, and some microscopy as an outcome of your expense in time and energy. Probably should end with something close to a determination of the species.

Very best,


Created: 2015-07-05 12:03:45 PDT (-0700)
Last modified: 2015-07-05 12:03:48 PDT (-0700)
Viewed: 41 times, last viewed: 2016-09-11 17:26:35 PDT (-0700)
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