The present study is an overview of the vegetation of the communities dominated by Salvio nutanti-nemorosae - Festucetum rupicolae Zólyomi ex Soó 1964, proposed to analyze the structure, ecology and syntaxonomy of the communities in the semidesert steppes of Moldova. This study has been achieved during our research on plant communities, conducted in 2007-2013. A number of 14 vegetation relevés have been carried out according to the Braun-Blanquet’s methodology, in the spontaneous communities of Salvio nutanti-nemorosae - Festucetum rupicolae. The results are then analysed in systematic and economical groups, bioforms, floristic elements and ecological indices.