Amanita aprica
Mycotaxon 91: 194.
Common Name: none
For descriptions see Tulloss & Lindgren & 'California Mushrooms'.
Associated with conifers in the Pacific Northwest and the Sierra Nevada mountains of California
"Ingestion has typically resulted in the following symptoms: vomiting, intestinal cramps, muscle spasms, diarrhea, disorientation and hallucinations followed by drowsiness". (Bunyard & Justice, 2020)
There is probably more than one species hiding under this name.
Bunyard, B.A. & Justice, J. (2020). Amanitas of North America. The Fungi Press: Batavia, IL. 336 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Siegel, N. & Schwarz, C. (2016). Mushrooms of the Redwood Coast. Ten Speed Press: Berkeley, CA. 601 p.
Tulloss, R.E. & Lindgren, J.E. (2005). Amanita aprica—a new toxic species from western North America. Mycotaxon 91: 193-205. (Protologue) (PDF)