Observation 106925: Amanita borealisorora Tulloss nom. prov.
When: 2012-08-25
Herbarium specimen reported

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Eye3 = Observer’s choice
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cool…
By: Richard and Danielle Kneal (bloodworm)
2012-08-26 14:54:30 CDT (-0400)

thanks again!!

The big difference between this critter and…
By: R. E. Tulloss (ret)
2012-08-26 14:53:40 CDT (-0400)

106942 is that the latter has a copious, white, saccate volva; whereas, the present species has a volva that breaks up and turns very dark gray. The volva in the present species leaves a dark ring around the stipe that is even present in most dried specimens. This ring is composed (at least in part) of remnants of the internal limb of the collapsed and broken-up volval sac. Another difference between the two taxa is that the cap of 106942 appears to be zonate.

Very best,

R

ret…
By: Richard and Danielle Kneal (bloodworm)
2012-08-26 13:26:31 CDT (-0400)

how does this compare to www.mushroomobserver.org/106942 ??

I’m interested in the herbariium specimen
By: R. E. Tulloss (ret)
2012-08-26 13:22:03 CDT (-0400)

especially for DNA sequencing. I’m currently checking my provisional name against the provisional name Amanita rhacopus of Yves Lamoureux. Photographs of the two species indicate they are very similar.

R

Created: 2012-08-25 18:59:04 CDT (-0400)
Last modified: 2012-08-26 13:19:43 CDT (-0400)
Viewed: 42 times, last viewed: 2017-02-04 07:22:22 CST (-0500)
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