Hygrocybe conica (Schaeff.) P. Kumm.  

Family: Hygrophoraceae

[Hygrocybe conica f. pseudoconica (J.E. Lange) Arnolds,  more, Hygrocybe conica var. chloroides (Malençon) Bon, Hygrocybe conica var. olivaceonigra (P.D. Orton) Arnolds, Hygrocybe conica var. tristis (Pers.) Heinem., Hygrophorus conicus (Schaeff.) Fr., Hygrophorus conicus var. chloroides Malençon, Hygrophorus conicus var. nigrescens (Quél.) Konrad & Maubl., Hygrophorus conicus var. olivaceoniger (P.D. Orton) Arnolds]