1.   The edible species grow at times of high predation as epiphytes on the less palatable.

2.   Many edible species of butterfly gain protection by resembling noxious or poisonous species.

3.   Still, virtually every edible species and most of the truly unique and interesting mushrooms of North America are represented here.

4.   The edible species has brown gills.

5.   Toxic plants may resemble edible species, and science has shown some folk remedies to be useless or harmful.

6.   Although the fungus belongs to an edible species, it will not be eaten.