Agaricus campanulatus Linnaeus, Species Plantarum 2: 1175. 1753.

"Habitat in Pratis." RCN: 8432.

Lectotype (Gerhardt in Biblioth. Bot. 147: 117. 1996): [icon] "Fungus multiplex, obtuse conicus, colore griseo murino" in Vaillant, Bot. Paris.: 71, t. 12, f. 1, 2. 1727.

Current name: Panaeolus campanulatus (L.: Fr.) Quél . ( Bolbitiaceae).

Note: Gerhardt treated this as a nomen dubium as it evidently differs from the sanctioned A. campanulatus Fr. (1821) .