Addenda to the lichen flora of the Ticino river valley (western Po Plain, Italy) Gheza, Gabriele Natural History Sciences 2018 2018-10-03 5 2 33 40 J9LZ (Ach.) Arup, Froden & Sochting Arup, Froden & Sochting Ach. [831,1415,1279,1307] Lecanoromycetes Teloschistaceae Athallia Fungi Teloschistales 2 35 Ascomycota species pyracea  The species occurs mainly on bark of  Populus sp.in agricultural areas and of  Tilia sp.in urbanized areas. It tolerates well eutrophication, and is rather frequent in mature poplar stands, in both the river valley and the main level of the plain in the surroundings ( e.g.in the whole province of Pavia, pers. obs.).