Basionym:
Agaricus foenisecii Pers., Icones et Descriptiones Fungorum Minus Cognitorum 2: 42, tab. 11, fig. 1 (1800) [MB#200409]
Obligate synonyms:
- Panaeolina foenisecii (Pers.) Maire, Publ. Junta Ci. Nat. Barcelona Sèr. Botànica. 15 (2): 109 (1933) [MB#265153]
- Psilocybe foenisecii (Pers.) Quél., Mém. Soc. Émul. Montbéliard Ser. 2, 5: 147 (1872) [MB#225021]
- Psathyra foenisecii (Pers.) G. Bertrand, Bull. Soc. Mycol. France 17: 277 (1901) [MB#101001]
- Psathyrella foenisecii (Pers.) A.H. Sm., Mem. New York Bot. Gard. 24: 32 (1972) [MB#321187]
- Prunulus foenisecii (Pers.) Gray, A natural arrangement of British plants 1: 631 (1821) [MB#486521]
- Coprinarius foenisecii (Pers.) J. Schröt., Kryptogamen-Flora von Schlesien 3.1 (5): 565 (1889) [MB#494954]
- Agaricus foenisicii Pers. (1800) [MB#494655]
- Drosophila foenisecii (Pers.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 117 (1886) [MB#504684]
- Panaeolus foenisecii var. foenisecii (?) [MB#427148]
- Psathyra foenisecii (Pers.) P. Karst., Finlands Basidsvampar: 103 (1899) [MB#663881]
Taxonomic synonyms:
- Panaeolus foenisecii var. halophilus Bon, Bull. Soc. Mycol. France 86 (1): 117 (1970) [MB#348552]
- Agaricus foenicicii Schumach., Enumeratio Plantarum, in Partibus Saellandiae Septentrionalis et Orientalis 2: 359 (1803) [MB#494653]
- Panaeolus foenisecii var. intermedius E. Ludw., Pilzkompendium 1: 476 (2001) [MB#529928]