Observation 207643: Amanita sect. Vaginatae sensu Zhu L. Yang
When: 2015-06-24
(38.53° 78.15° )

Notes: Fruiting on ground, sandy loam, rich hardwoods, southeast slope, cap not fully expanded ~3 cm diameter. Knife in photo is 11.5 cm total length, with a 4 cm blade.
I collected and dried the specimen.

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Thanks Penny,
By: groundhog
2015-07-21 10:13:35 CDT (-0500)

This material has been accessioned to Rod’s herbarium. We have scheduled it for DNA sequencing.
-Naomi (working with RET)

We’re accessioning right now, and we opened John McDonough’s two…
By: R. E. Tulloss (ret)
2015-07-17 11:51:05 CDT (-0500)

possible “penetratrix” collections and your material from this observation at almost the same moment. I realized that your material could represent a less mature version of “penetratrix.” Since your material was not cut, I can’t ask if the umbo in the center of the cap resisted being cut.

When you find a very large amount of the stem underground in a long-stemmed species of section Vaginatae, it may be interesting to try cutting into the umbo. It appears to be case that to come up through so much substrate, the umbo has evolved to be very firm/dense.

You asked about your packaging and drying. They both look very good to us. When we get DNA from these (maybe next Fall…our queue is a little long at the moment), we can give further feedback about drying.

Very best,


We’re accessioning right now, and we opened John McDonough’s two
By: R. E. Tulloss (ret)
2015-07-17 11:41:30 CDT (-0500)
No gray noticed
By: Penny Firth (pfirth)
2015-06-25 16:02:19 CDT (-0500)

It appeared to be the same color as the stipe: white.

Did you notice any sign of gray on the volval sack?
By: R. E. Tulloss (ret)
2015-06-25 10:50:02 CDT (-0500)


Created: 2015-06-25 09:47:52 CDT (-0500)
Last modified: 2015-06-25 11:17:34 CDT (-0500)
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