“…Amanita smithiana, common in the Pacific Northwest of the United States and British Columbia, causes a similar syndrome (14,15). The responsible toxin is a heat-stable bipyridyl orellanine, 2,2= bipyridine-3, 3=, 4, 4=-tetrol-1,1=-dioxide or 3,3=,4,4=-tetrahydroxy-2,2=-bipyridine-N,N=-dioxide (16,17).…”