Amanita muscaria

The toxins in Amanita muscaria are water-soluble ... the consumption of detoxified A. muscaria has been practiced in some parts of Europe (notably by Russian settlers in Siberia) since at least the 19th century, and likely earlier. 

• Amanita muscaria (fly agaric): from a shamanistic hallucinogen to the search for acetylcholine.
• Clinical symptoms and circumastances of acute poisonings with fly agaric (Amanita muscaria) and panther cap (Amanita pantherina)
• Accumulation of metallic elements by Amanita muscaria from rural lowland and industrial upland regions.
• Fly agaric (Amanita muscaria) poisoning, case report and review

• Prolonged psychosis after Amanita muscaria ingestion.
• Analysis of hallucinogenic constituents in Amanita mushrooms circulated in Japan.
• Selected elements in fly agaric Amanita muscaria.

• Evidence for strong inter- and intracontinental phylogeographic structure in Amanita muscaria, a wind-dispersed ectomycorrhizal basidiomycete.
• Accumulation and distribution of metallic elements and metalloids in edible Amanita fulva mushrooms.

This observation may imply that A. fulva under typical geochemical site conditions is able to regulate the accumulation of many of the elements mentioned in fruiting bodies :  Ag, Al, As, Ba, Ca, Cd, Co, Cu, Cr, Fe, K, Mg, Mn, Na, Ni, P, Pb, Rb, Sr, Tl, V, U and Zn

• On the possible role of macrofungi in the biogeochemical fate of uranium in polluted forest soils

.... accumulation of U, Th, Pb and Ag in macrofungal fruit-bodies apparently does not depend on total content and chemical

fractionation of these metals in soils (tested by the BCR sequential extraction in this study).

• In Colombia the Eurasian fungus Amanita muscaria is expanding its range into native, tropical Quercus humboldtii forests.
• Mushroom Poisoning-A 17 Year Retrospective Study at a Level I University Emergency Department in Switzerland
• Uses of mushrooms by Finns and Karelians.