Lepraria jackii Tønsberg

Syn.: Lepraria toensbergiana Slav.-Bay. & Kukwa
Lichenised.
Substrate: bark, lignum, siliceous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: on the acid to subneutral bark of conifers and other trees, especially on basal parts of trunks in woodlands, but also on siliceous rocks and wood.
Austria: Vorarlberg; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Bern; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Ticino; Uri; Unterwalden; Vaud; Valais; Italy: Friuli; Veneto; Trentino Alto Adige; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;