Observation 14476: Amanita smithiana Bas

When: 2008-11-22

Collection location: Marble Mountain Ranch, Siskiyou Co., California, USA [Click for map]

Who: John Harlan (harlanx6)

No specimen available

In soil, under Douglas fir-tanoak-madrone canopy. Very white all over, with bulb, sack, and annulus.


Proposed Names

18% (2)
Recognized by sight
62% (2)
Recognized by sight: I just found an early ocreata yesterday, so I didn’t think much of your posting, until I expanded it and read the habitat…wrong, wrong wrong (ocreata occurs w/live oak). Then, closer scrutiny of your amanita in hand showed me your error…this is a lepidella, with a pulverulent, floccose universal veil, which you can see coming off on your hand. It is white like an ocreata, tho, but doesn’t have the saccate membranous volva typical of that species. But don’t feel bad, white amanitas can be tricky on either coast.

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= Observer’s choice
= Current consensus


Add Comment
excellant question, Rod, and there are certainly strong similarities…
By: Debbie Viess (amanitarita)
2008-11-24 13:53:22 MST (-0700)

…but I went with silvicola because the base seemed to be more rooting than bulbous. I will add a couple of photographs of the silvicola and smithiana lepidella collections from Breitenbush in 2004 for comparison’s sake.

A. silvicola?
By: R. E. Tulloss (ret)
2008-11-24 10:12:56 MST (-0700)


How did you decide to exclude A. silvicola (for example) as an alternative to A. smithiana?