Basionym:
Agaricus cinctulus Bolton, An History of Fungusses, Growing about Halifax Appendix: 152, tab. 152 (1791) [MB#221418]
Obligate synonyms:
- Panaeolus fimicola var. cinctulus (Bolton) Rea, British Basidiomycetae: A handbook to the larger British fungi: 372 (1922) [MB#456858]
- Agaricus fimicola var. cinctulus (Bolton) Cooke, Forsch. PflKr., Tokyo: 221 (1883) [MB#457041]
- Coprinus cinctulus (Bolton) Gray, A natural arrangement of British plants 1: 633 (1821) [MB#492177]
Taxonomic synonyms:
- Agaricus subbalteatus Berk. & Broome, Ann. Mag. Nat. Hist. 7: 378 (1861) [MB#455961]
- Panaeolus subbalteatus (Berk. & Broome) Sacc., Syll. Fung. 5: 1124 (1887) [MB#176403]
- Psilocybe subbalteatus (Berk. & Broome) anon. (?) [MB#581972]
- Panaeolus variabilis Overh., Annual Rep. Missouri Bot. Gard. 3: 197 (1916) [MB#154849]
- Panaeolus alveolatus Peck, Rep. (Annual) New York State Mus. Nat. Hist. 54: 153 (1902) [MB#156155]
- Psilocybe vernalis Velen., Ceske Houby 3: 587 (1921) [MB#281556]
- Campanularius pumilus Murrill, Lloydia 5: 154 (1942) [MB#284762]
- Panaeolus pumilus (Murrill) Murrill, Lloydia 5: 156 (1942) [MB#289018]
- Panaeolus venenosus Murrill, Mycologia 8 (3): 186 (1916) [MB#154354]
- Panaeolus rufus Overh., Annual Rep. Missouri Bot. Gard. 3: 196 (1916) [MB#175857]
- Panaeolus acidus Sumst., Torreya 5: 34 (1905) [MB#177709]
- Campanularius semiglobatus Murrill, Mycologia 3 (3): 103 (1911) [MB#208074]
- Panaeolus semiglobatus (Murrill) Sacc. & Trotter, Syll. Fung. 23: 323 (1925) [MB#176462]