所谓食用菌是指可供人类食用的真菌。其特点是自身没有叶绿素，不能制造自己所需养料，必须从其它生物或生物遗体或排泄物中吸取养分并逐步形成子实体，即食用部分。如猴头、松茸、平菇和木耳等。食用藻是指可供食用的藻类植物。其特点是自身含有叶绿素，能自己制造所需养料并 The so-called edible mushrooms are fungi for human consumption. It is characterized by its own lack of chlorophyll, can not create their own nourishment, must absorb nutrients from other organisms or biological remains or excrement and gradually form fruiting bodies, that is, edible part. Such as Hericium, Matsutake, mushrooms and fungus and so on. Food algae refers to algae that are edible. It is characterized by its own chlorophyll, can make their own needs and nutrition