Phaeorrhiza sareptana (Tomin) H. Mayrhofer & Poelt var. sphaerocarpa (Th. Fr.) H. Mayrhofer & Poelt

Syn.: Buellia dovrensis H. Magn., Buellia hypoleuca H. Magn., Rinodina nimbosa (Fr.) Th. Fr. var. sphaerocarpa Th. Fr.
Lichenised.
Substrate: acidic soil (mostly on siliceous substrata), plant debris
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a rather rare species found on naked earth, dead mosses and plant debris in dry grasslands near and above treeline.
Austria: Tirol; France: Alpes-de-Haute-Provence; Haute-Alpes; Italy: Veneto; Trentino Alto Adige;