Observation 209399: Amanita jacksonii Pomerleau
When: 2015-07-09
No herbarium specimen

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight: In mixed hardwood with beech and maple, large size.
57% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I don’t know the exact number of the Caesareae in the eastern states with…
By: R. E. Tulloss (ret)
2015-07-24 06:38:44 CEST (+0200)

caps in the red-orange-yellow range. I am aware of research that will address some taxa of this color range in North America. From what I understand the number of taxa determined by statistical analyses of sequence data will be greater than the number recognized morphologically on the WAO site.


what other orange caesars are possible in the NE?
By: Debbie Viess (amanitarita)
2015-07-20 19:40:24 CEST (+0200)

and for that matter, re: another recent sighting here, does A. jacksonii even occur in Mexico? If so, where? Or are there possibly even more undescribed sp. in this group, both north and south?

And how would one tell the exact species with only an in hand specimen?

With the orange material on the stem and all the recent rain,…
By: R. E. Tulloss (ret)
2015-07-10 17:04:30 CEST (+0200)

I dunno.

When I first saw the images and the orange on the stem, I thought that jacksonii was probably OK.

Very best,


Thanks Dave
By: Eric Smith (esmith)
2015-07-10 15:57:32 CEST (+0200)

for the heads up. I didn’t know there may be other options in this region. This observation definitely has a two toned cap, but does seem to have orange, felted material on the stems.

By: Dave W (Dave W)
2015-07-10 15:14:49 CEST (+0200)

Reminds me of obs 208661 which I found about a week ago.

Created: 2015-07-10 02:23:08 CEST (+0200)
Last modified: 2015-07-10 15:58:47 CEST (+0200)
Viewed: 60 times, last viewed: 2016-07-18 19:44:00 CEST (+0200)
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