At some white ones with pink gills underside in MT...they grew on the football field at the Helena H.S.... irrigated all summer...great pickins...
Some old lady in the Gallitin Notch used to tell us to eat just a fingernail size piece and sit quietly and wait and monitor how we felt...then in a couple hours, if all was well, try a larger bite...
After contemplating all that time and risk...I figured it was safer to buy the rascals unless they were them hideous looking Morel ones...them are easy! Alas, only ones of them I ever found were way past edible and smelled like ammonia..bit ripe! :eek: :D