Basionym:
Mycena acutoconica Clem., Bot. Surv. Nebraska 2: 38 (1893) [MB#218389]
Obligate synonyms:
- Hygrophorus acutoconicus (Clem.) A.H. Sm., North American species of Mycena: 472 (1947) [MB#287114]
- Prunulus acutoconicus (Clem.) Murrill, N. Amer. Flora 9 (5): 330 (1916) [MB#503466]
Taxonomic synonyms:
- Hygrocybe constans J.E. Lange, Dansk Bot. Ark. 4 (4): 24 (1923) [MB#261816]
- Hygrocybe langei Kühner, Botaniste 18: 175 (1927) [MB#372997]
- Hygrophorus constans (J.E. Lange) anon. ined. (1940) [MB#463306]
- Hygrophorus rickenii Maire, Bull. Soc. Mycol. France 46: 220 (1930) [MB#276540]
- Hygrocybe aurantiolutescens P.D. Orton, Notes Roy. Bot. Gard. Edinburgh 29 (1): 103 (1969) [MB#332157]
- Hygrophorus aurantiolutescens (P.D. Orton) Dennis, Fungi of the Hebrides: 47 (1986) [MB#114840]
- Hygrocybe acutoconica var. aurantiolutescens (P.D. Orton) Migl. & Camboni, Micologia Italiana: 36 (2001) [MB#483732]
- Hygrocybe persistens var. persistens , Rev. Mycol. (Paris) 5: 8 (1940) [MB#418772]
- Hygrophorus conicus var. persistens Britzelm., Ber. Naturwiss. Vereins Schwaben Neuburg 30: 30 (1890) [MB#462549]
- Hygrocybe persistens (Britzelm.) Singer, Rev. Mycol. (Paris) 5: 8 (1940) [MB#355874]
- Hygrophorus persistens (Britzelm.) Britzelm., Ber. Naturwiss. Vereins Schwaben Neuburg 30: 30 (1893) [MB#186734]
- Hydrocybe subrubra Murrill (1939) [MB#254946]
- Hydrocybe californica Murrill (1916) [MB#188802]
- Hygrocybe californica Murrill, N. Amer. Flora 9 (6): 382 (1916) [MB#546420]
- Hygrophorus californicus (Murrill) Sacc. & Trotter, Syll. Fung. 23: 122 (1925) [MB#215370]
- Hygrophorus californicus (Murrill) Murril, Mycologia 9 (1): 40 (1917) [MB#517709]
- Hygrocybe subrubra Murrill, Bull. Torrey Bot. Club 66: 159 (1939) [MB#546431]
- Hygrophorus subruber (Murrill) Murrill, Bull. Torrey Bot. Club 66: 160 (1939) [MB#254945]
- Mycena acuto-conica Clem. (1893) [MB#581797]