Observation 214919: Amanita sect. Caesareae Singer
When: 2015-08-30
No herbarium specimen

Notes: These were quite large. Sac-like volva present, striated caps. Several in various states of age. Growing on a roadside, hardwoods and pines present, but in mown thicket/brush.
Heavy rains recently, these formed a “fairy ring.”

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Comments

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Again, this is something other than A. jacksonii, which appears to be…
By: R. E. Tulloss (ret)
2015-08-31 12:10:38 CDT (-0500)

a dominantly northern and montane species in eastern North America according to the latest data. The absence of orange pieces of the felted material that was between the ring and the stem in the developing button is one good reason to say this isn’t jacksonii. Another reason is that the cap is not competely deep red in the button and rapidly develops yellow tints in the outer half of the cap radius. There are several genetically distinct species with this general appearance. There are more than we have presently on www.amanitaceae.org (WAO).

Here are some:

http://www.amanitaceae.org?Amanita%20sp-F11

http://www.amanitaceae.org?Amanita%20sp-W15

I’ve not been asking for dried material of the sort depicted here in 2015. But I’m frustrated that I can’t do better than point in a general direction and would welcome (from MO-participating collectors in the southeastern U.S.) dried material of the general character described above so that we can do a better job in the future.

I know that I see images like these frequently from MO participants in Georgia and other places to my south; and I don’t see them in New Jersey and northward from here.

Very best,

Rod

Created: 2015-08-31 11:01:44 CDT (-0500)
Last modified: 2015-08-31 16:02:05 CDT (-0500)
Viewed: 34 times, last viewed: 2016-09-02 13:09:31 CDT (-0500)
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