Observation 175406: Amanita vernicoccora Bojantchev & R.M. Davis

When: 2014-05-03

Collection location: near Castella, California, USA [Click for map]

Who: dkentca7

No specimen available

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It looks as though there is a second observation dealing with a stem cross-section, etc.
By: R. E. Tulloss (ret)
2014-08-27 07:52:31 CDT (-0500)

I suggest combining the two observations. The section of the stem shows clearly that there is no bulb at the base of the stem. This will eliminate the possibility of a species in the Phalloideae.

Very best,


I did not realize that the collection was from May.
By: R. E. Tulloss (ret)
2014-08-27 07:39:50 CDT (-0500)

If you are confident that the material you have is from section Caesareae, then you might consider if your material could be A. vernicoccora. If you have Melzer’s reagent or Lugol’s solution, you could test to see if the spores are inamyloid. This would help you differentiate between something in the Caesareae and Darv’s suggestion of ocreata (in the Phalloideae).

Very best,


Striate edge
By: dkentca7
2014-08-26 23:35:06 CDT (-0500)

The edge was definitely striate.

There would not be a skirt on the stem of A. velosa.
By: R. E. Tulloss (ret)
2014-08-26 19:59:18 CDT (-0500)

Very best,


Created: 2014-08-26 13:52:35 CDT (-0500)
Last modified: 2014-08-28 16:55:34 CDT (-0500)
Viewed: 51 times, last viewed: 2017-06-18 17:13:54 CDT (-0500)
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