Basionym Name:Agaricus fuscoalbus Lasch, [as 'fusco-albus'] Linnaea 4: 520 (1828)
Homotypic synonyms:Hygrophorus fuscoalbus Fr., Epicr. syst. mycol. (Upsaliae): 324 (1838)Hygrophorus fuscoalbus var. fuscoalbus Fr., Epicr. syst. mycol. (Upsaliae): 324 (1838)