Observation 156921: Amanita sect. Vaginatae sensu Zhu L. Yang
When: 2013-09-23
( 2100m)

Notes: Under mixed oak and pine.

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whatever this is…
By: Debbie Viess (amanitarita)
2014-01-02 10:56:14 PST (-0800)

it certainly doesn’t fit neatly anywhere.

where is the fruit body now?

Alan, I think there is a ring on the stem…
By: R. E. Tulloss (ret)
2014-01-02 03:28:46 PST (-0800)

I have never seen an amanita with such russuloid stature. The striations at the top of the stem suggest the possibility that this is an Amanita; but I’m not certain of the section just from looking at the pictures.

I suggest looking at the spores in Melzer’s Reagent to see if this is in the Russulaceae…just to be sure it’s not.

Then I suggest looking for clamp connections. If they are present on the bases of basidia and the spores are inamyloid and undecorated, then this material belongs in either sect. Caesareae or Amanita. There are tropical amanitas with rings that are in sect. Vaginatae; so I’m afraid that microscopy and/or molecular studies may be necessary to place this unusual mushroom.

It is a very good find.

Happy New Year.

Rod

Created: 2014-01-02 01:13:51 PST (-0800)
Last modified: 2014-01-02 01:14:09 PST (-0800)
Viewed: 19 times, last viewed: 2014-08-05 14:07:06 PDT (-0700)
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