California Fungi—Panaeolus papilionaceus
Panaeolus papilionaceus © Michael Wood -- Click for Larger Image
(Photo: © Michael Wood)

Panaeolus papilionaceus (Fries) Quélet
Champ. Jura. Vosg. 1: 151. 1872.

Common Name: none

Synonyms: Panaeolus campanulatus, Panaeolus retirugis, Panaeolus sphinctrinus