Current Name:Agaricus caesifolius (Peck) Sherry Kay, Benjamin Sikes & Caleb Morse, A Guide to Kansas Mushrooms (Lawrence): 330 (1993)
Synonymy:Fungus caesifolius (Peck) Kuntze, Revis. gen. pl. (Leipzig) 3(3): 479 (1898)
Position in classification:Agaricaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi