TY - JOUR TI - The plant communities of classes Hydrochari-lemnetea Oberd. 1967 and Potametea tx. Et Prsg. 1942 of the Labudovo okno locality (Serbia) AU - Polić Dubravka M. AU - Igić Ružica S. AU - Stojanović Slobodanka S.J. AU - Lazić Dejana M. JN - Zbornik Matice srpske za prirodne nauke PY - 2008 IS - 115 SP - 101 EP - 107 PT- Article AB- Labudovo okno locality (50 m-84 m elevation) is situated in the south-eastern part of the edge of the Pannonian Plains, resting along the left bank of the Danube between 1982 km and 1078 km. The investigated locality is the result of rise of the Danube level after dam building of the hydroelectric power station Đerdap I. The vegetation comprises aquatic associations of the classes Hydrochari-Lemnetea Oberd. 1967 and Potametea Tx. et Prsg. 1942. The class Hydrochari-Lemnetea Oberd. 1967 includes the following phytocoenoses: Lemno-Spirodeletum W. Koch 1954, Salvinio-Spirodeletum polyrrhizae Slavnić 1956, Lemno minoris-Azolletum filiculoides Br.-Bl. 1952, Ceratophylletum demersi (Soó 27) Hild 1956. The class Potametea Tx. et Prsg. 1942 includes the associations Myriophyllo-Potametum Soó 1934, Nympaeetum albo-luteae Nowinski 1928, Trapetum natantis Mülleret Görs 1960.