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.
Head entity: Panaeolus sphinctrinus
Tail entity: Panaeolus papilionaceus
Relation (head \u2192 tail): taxon synonym
Inverse relation (tail \u2192 head): taxon synonym of