Lichenomphalia umbellifera (L. : Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys

Syn.: Agaricus chrysoleucus Pers., Agaricus pseudoandrosaceus Bull., Agaricus umbelliferus L. : Fr., Botrydina vulgaris Bréb. p.p., Gerronema ericetorum (Pers.) Singer, Omphalia umbellifera (L. : Fr.) P. Kumm., Omphalina ericetorum (Pers.) M. Lange, Omphalina fulvopallens P.D. Orton, Omphalina pseudandrosacea (Bull.) M.M. Moser non auct., Omphalina umbellifera (L.) Quél., Phytoconis ericetorum (Pers.) Redhead & Kuyper
Lichenised.
Substrate: lignum, acidic soil (mostly on siliceous substrata), plant debris, living mosses
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: on acid organic soil and rotting wood, ecologically similar to L. hudsoniana, but rarer above treeline; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Graubünden; Luzern; Schwyz; Unterwalden; Vaud; France: Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;