2, Mushroom is a general term for fungi, while shiitake and flat mushroom are just one kind of mushroom.

3. The flat mushroom is a fungus of the genus Lateralia of the family Lateraliaceae. The flat mushroom is a good light fungus, mostly born in elm, beech, armchair, willow, oak, maple, acacia and other broad-leaved tree species of dead wood, rotten stumps or live trees on the dead parts.

4, shiitake mushroom for the fungi phytophthora fungi shiitake mushroom substrate, belongs to the family of umbelliferae in the class of stramonium, is one of the world's most famous edible mushrooms, because it contains a unique flavor substances - shiitake mushroom essence, with a special flavor, so it is known as the "shiitake mushroom ".