where to hunt?

i live in idaho these are the kind of shrooms that grow where i liveGymnopilus aeruginosusGymnopilus junoniusGymnopilus luteofoliusPanaeolus cinctulusPsilocybe fimetariaPsilocybe pelliculosaPsilocybe silvaticaso where should i start the hunt? should i go in the woods. Or in a feild. If i find mushrooms i will be able to identifie them. just need to know.