here's an interesting article on mushrooms including which ones are edible and which are poisonous. i don't think it's exactly comprehensive, but it should tell people some stuff.
you get to the three sections of the article using the links in the brown bar at the top of the article. it took me a while to figure that out.
(Cacher) Si vous attendez que ce soit à vous de jouer, cliquez sur "changer" à côté du "rafraîchissement" sur la page principale, puis réglez le rafraîchissement de la page sur 30 secondes pour que votre tour de jouer apparaisse pplus vite. (Servant) (Montrer toutes les astuces)