When: 2007-12-15

Collection location: Salt Point State Park, Sonoma Co., California, USA [Click for map]

Who: Darvin DeShazer (darv)

Specimen available

The all white mushroom in the middle.
DD 617

Species Lists


Proposed Names

28% (1)
Recognized by sight: any colored amanita can show a white form; doesn’t make it a new species.
the volva appears to be constricted in your photo.
19% (2)
Recognized by sight: Under pine, brown cap, large size. A. pachycolea can have a constricted volva.
55% (1)
Recognized by sight: dark brown cap possible for both disputed species (Tulloss’ webpage on constricta actually uses a brown capped constricta as its main illustration!). striations on the short side for pachy. lack of rusty volva staining, which should be present for both sp., perplexing. no gray inner volva as usu. seen for constricta. patches on cap unusual for pachy, sometimes present for constricta.

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= Observer’s choice
= Current consensus


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