Morchella, the true morels, is a genus of edible sac fungi closely related to anatomically simpler cup fungi belongs to Ascomycetes. Agaricus is an edible fungus and is commonly known as mushroom. It is a saprophytic fungus found growing on soil humus, decaying litter on forest floors, in the fields and lawns, wood logs, and manure piles. Agaricus belongs to Basidiomycetes.