Basionym:
Agaricus limacinus Scop., Flora carniolica. Ed. 2 2: 422, no 1471 (1772) [MB#158717]
Obligate synonyms:
- Gymnopus limacinus (Scop.) Gray, A natural arrangement of British plants 1: 609 (1821) [MB#486475]
- Limacium limacinum (Scop.) Wünsche, Die Pilze. Eine Anleitung zur Kenntniss derselben: 117 (1877) [MB#517929]
Taxonomic synonyms:
- Hygrophorus latitabundus Britzelm., Bot. Centralbl. 80: 118, t. 437 (1899) [MB#167748]
- Hygrophorus latitabundus f. latitabundus (?) [MB#542617]
- Hygrophorus olivaceoalbus f. obesus Bres., Fungi tridentini 1 (6-7): 84, tab. XCII (1887) [MB#318855]
- Hygrophorus olivaceoalbus var. obesus (Bres.) Rea, British Basidiomycetae: A handbook to the larger British fungi: 296 (1922) [MB#272868]
- Hygrophorus olivaceoalbus f. obesa Bres. (1887) [MB#462557]
- Hygrophorus limacinus var. caesiolamellatus Kalchbr., Icones selectae Hymenomycetum Hungariae 1: tab. 4, fig. 3 (1873) [MB#192595]
- Hygrophorus latitabundus f. albus Rocabruna & Tabarés, Revista Catal. Micol. 27: 22 (2005) [MB#548315]
- Hygrophorus latitabundus f. alba Rocabruna & Tabarés (2005) [MB#510151]
- Hygrophorus limacinus f. albus (Rocabruna & Tabarés) Papetti, Rivista Micol. 59 (4): 310 (2016) [MB#552882]