In cases of suspected poisonings, IMPORTANT: save a sample of the mushrooms in question – even if the material has been regurgitated – and immediately call the Poison Control Center at 1-800-222-1222. Or contact Fred Rhoades (NMA science advisor), fmrhoades (a) comcast.net, for species identification. Do as much as you can to help in the ID: take a photo, from the top and the underside (gill side) of the suspect mushroom, note the natural habitat, save a full mushroom sample in paper or waxpaper in the refrigerator.
Northwest Mushroomers Association