& 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).
The term Camarophyllus sensu stricto overlaps with Hygrophorus, as A. camarophyllus falls under the Hygrophorus classification.