When: 2019-02-03

Collection location: Buena Vista Park, Vista, San Diego Co., California, USA [Click for map]

Who: Michelle Hinojosa (mishroom)

No specimen available

Growing with Quercus agrifolia. Could this be A. sponsus or simply A. novinupta var. alba? The button seems to bruise brown, characteristic with sponsus, however.


Proposed Names

30% (2)
Recognized by sight: Pale mushroom in similar stature to Amanita novinupta, but without characteristic blushing.
-2% (2)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
That sounds interesting. Thank you for offering to help.
By: R. E. Tulloss (ret)
2019-02-04 21:05:05 PST (-0800)

Good luck with your collecting.

Very best,


Unfortunately did not collect
By: Michelle Hinojosa (mishroom)
2019-02-04 16:42:51 PST (-0800)

I failed to collect these as I was collecting edibles primarily and didn’t want to get them confused post collection. I’m sure I will see more though, our Amanita season is just starting. :)

I have another spot reliable for this species I can collect from as well.

If you have well-dried material of the specimens you photographed, I could
By: R. E. Tulloss (ret)
2019-02-04 13:33:58 PST (-0800)

put a sample in our sequencing queue. We do not (as yet) have a specimen of sponsus from San Diego Co.

Very best,


A specimen of novinupta at maturity would have some pink or red blushing,
By: R. E. Tulloss (ret)
2019-02-04 13:29:03 PST (-0800)

So I think that __novinupta_ may be ruled out…especially because the pileus is not blushing.

Rod Tulloss