Floristical studies on dumps of metallurgical complex (T. Sendzimir steelwork in Cracow) were carried out in the years I 982-1998. Several rare alien plant species: Bracliyactis ciliata Ledeb. - not recorded earlier in Poland, Gypsophila perfoliata L. - recorded in 2 localities only, Corispermum leptopterum (Asch.) lljin, Hordeum jubatum L., Kochia scoparia (L.) Schrader, and Salso/a kali L. subsp. ruthenica (lljin) Soó were found. They have been growing numerously and permanently on dumps for several years. Original and secondary geographical distribution, habitats in Poland and on dumps of metallurgical complex have been presented.