Naetrocymbe rhododendri (Arnold) ined. (provisionally placed here, ICN Art. 36.1b)
Syn.: Arthopyrenia punctiformis (Pers.) A. Massal. f. rhododendri Arnold, Arthopyrenia rhododendri (Arnold) Dalla Torre & Sarnth., Verrucaria punctiformis Pers. f. rhododendri (Arnold) Stizenb.
Non- or doubtfully lichenised.
Substrate: bark
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) 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 smooth bark of shrubs in subalpine heaths; to be looked for throughout the Alps
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Italy: Trentino Alto Adige; Piemonte;