EN
The paper presents the changes in vascular plants vegetation of Doliska and Zimna Woda nature reserves (central Poland). In 1960s Pino−Quercetum forest was noted at both reserves. Nowadays, it evolved into an oak−lime−hornbeam forest Tilio−Carpinetum betuli. The gradual replacement of Scots pine and other coniferous species into broad−leaved species is observed. Additionally, flora synanthropization and encroachment of invasive alien species (e.g. Impatiens parviflora) into the reserves was found.