Basionym:
Hygrophorus fornicatus Fr., Epicrisis Systematis Mycologici: 327 (1838) [MB#176282]
Obligate synonyms:
- Neohygrocybe fornicata (Fr.) Herink, Sborn. Severocesk. Mus., Prír. Vedy 1: 71 (1958) [MB#103613]
- Neohygrocybe fornicata (Fr.) Kovalenko, Opredelitel' Gribov SSSR: 39 (1989) [MB#127383]
- Camarophyllus fornicatus (Fr.) P. Karst., Bidrag Kännedom Finlands Natur Folk 32: 227 (1879) [MB#455781]
- Porpoloma fornicata (Fr.) Bresinsky, Regensburg. Mykol. Schriften 11: 233 (2003) [MB#487469]
- Dermolomopsis fornicata (Fr.) Vizzini, Micol. Veg. Medit. 26 (2): 101 (2012) [MB#563521]
- Cuphophyllus fornicatus (Fr.) Lodge, Padamsee & Vizzini, Fungal Diversity 64: 80 (2013) [MB#804132]
- Porpolomopsis fornicata (Fr.) Bresinsky, Regensburg. Mykol. Schriften 15: 145 (2008) [MB#584307]
Taxonomic synonyms:
- Hygrophorus fornicatus var. clivalis Fr., Monographia Hymenomycetum Sueciae 1: 134 (1857) [MB#373006]
- Hygrocybe fornicata var. clivalis (Fr.) Bon, Doc. Mycol. 19 (75): 56 (1989) [MB#136418]
- Hygrophorus clivalis (Fr.) Quél., Bull. Soc. Bot. France 24: 322 (1878) [MB#206754]
- Hygrocybe clivalis (Fr.) P.D. Orton & Watling, Notes Roy. Bot. Gard. Edinburgh 29 (1): 131 (1969) [MB#332164]
- Camarophyllus fornicatus var. clivalis (Fr.) P. Karst., Bidrag Kännedom Finlands Natur Folk 32: 227 (1879) [MB#499640]