L. Hably szerk.: Studia Botanica Hungarica 21. 1989 (Budapest, 1989)

Conspectus materiarum ÁCS, É. and LAKATOS, GY.: Preliminary algological study on biofouling forming in the industrial water system 5 BUCZKÓ, K and RAJCZY, M.: Contributions to the flora of the Hungarian caves II. Flora of three caves near Beremend, Hungary 13 SZERDAHELYI, T.: Vegetation studies on rocky grasslands in the Pilis Mountain (Hungary) II 27 NÉMETH, F.: New floristical data from the Mongolian People's Republic 45 MÉSZÁROS, S.: Comparison and relation of the Hungarian and the Mongolian flora ... 53