Notes:
Collector’s_Name: Alden Dirks
Substrate: Ground
Habitat: Burr oak and pine savanna
Host: Oak
Other: Cap: 6 cm in diameter, about 1 cm wide prominent striations on margin, greyish brown, darker in the center, with darker grey warts speckled across the cap surface
Gills: free from the stipe
Stipe: tannish, whitish, grayish, with a felty zigzaggy pattern, 8-10 cm long, club shaped, narrowing at apex; no volva remnants at the base, although specimens were difficult to remove from the ground and therefore they may have broken off

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Thanks Rod!
By: Alden Dirks (aldendirks)
2019-09-10 18:46:36 PDT (-0700)
The DNA from the voucher material for this observation provides an ID—-Amanita texasorora.
By: R. E. Tulloss (ret)
2019-09-09 20:51:48 PDT (-0700)

Thanks very much for sending us this material to study.

Very best,

Rod

I think it could be in stirps Sororcula, but there is something odd about it.
By: R. E. Tulloss (ret)
2018-08-13 14:47:28 PDT (-0700)

The very dark disc contrasting with the paler remainder of the cap. The very high density of volval warts on the cap. The relatively short stature. This might not be one of the common species of stirps Sororcula.

There are other taxa up in your neck of the woods like minnesorora that I have a hankering to see. Maybe this is it.

:)

Very best,

Rod Tulloss