a fungi contains mostly youth volume
volvaria_bombycina is not fungus. mushroom is not form_of_fungus. volvariaceae is not fungus_family. volvaria is not fungus_genus. mushrooms is fungi. fungi is not_plants. volvariaceae is fungus_family. mushrooms is not fungi. volvariella_volvacea is not fungus. agaricaceae is not fungus.