Pseudosagedia linearis (Leight.) Hafellner & Kalb
Syn.: Porina chlorotica (Ach.) Müll. Arg. var. linearis (Leight.) A.L. Sm., Porina chlorotica (Ach.) Müll. Arg. var. persicina (Körb.) A.L. Sm., Porina linearis (Leight.) Zahlbr., Porina persicina (Körb.) Zahlbr., Sagedia harrimannii A. Massal., Sagedia persicina Körb., Spermatodium lineare (Leight.) Trevis., Trichothelium lineare (Leight.) R.C. Harris, Verrucaria chlorotica Ach. subsp. leucotica Nyl., Verrucaria gibelliana Garov., Verrucaria linearis Leight., Verrucaria ricasolii Garov.
Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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 mainly mild-temperate species found on limestone in sheltered situations, mostly near the ground, often with Acrocordia conoidea.
Austria: Vorarlberg; Kärnten; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Drôme; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte;