& Schwein. the species from which the genus takes its name. This means that Camarophyllus sensu stricto is a synonym of Hygrophorus, since A. camarophyllus is a Hygrophorus species (Hygrophorus camarophyllus).
Camarophyllus sensu stricto is synonymous with Hygrophorus due to A. camarophyllus being a species of Hygrophorus (Hygrophorus camarophyllus).