CONTRIBUTIONS TO THE KNOWLEDGE OF LICHENS COMMUNITIES FROM BISTRITA MOUNTAINS (EASTERN CARPATHIANS)

This paper presents two lichens communities (Parmelietum caperatae Felf. 1941 and Usneetum filipendulae Hil. 1925) from Physcietea Tomaselli and Micheli 1957 and Hypogymnietea physodes Follm. 1974 classes, identified in Bistrita Mountains territory, in 5 locations: Ar ita lui Macovei, Zugreni, Tulghe , Barnar and Paraul V c riei. These associations are analyzed from the bioforms, ecological requests and floristic elements perspectives.