Polyblastia deplanata Arnold
Lichenised. Poorly known taxon.
Substrate: calciferous rocks
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) 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: a calcicolous species, closely related to P. ventosa, and rarely collected.
Austria: ?Vorarlberg; Tirol; Kärnten; Switzerland: Graubünden; France: Savoie; Italy: Trentino Alto Adige;