Panaeolus papilionaceus
(重定向自Panaeolus campanulatus)
_Quél_1837350225.jpg)

Panaeolus papilionaceus, also known as Agaricus calosus, Panaeolus campanulatus, Panaeolus retirugis, and Panaeolus sphinctrinus, and commonly known as Petticoat mottlegill, is a very common and widely distributed little brown mushroom that feeds on dung.