This article presents data on floristic composition and value of the steppe meadow “Cîzlar”, positioned near village Cîzlar, Leova district, as well as the results on investigations on high vascular flora, which comprises 353 wild spontaneous growing species, belonging to 131 genera and 44 families. The lists of rarest and the most threatened species are given. The unique growing site of critically endangered species – Rosa inodora Fries is found on the territory which is proposed to be included in the next edition of the Red Book of the Republic of Moldova and in the List of Vascular Plants protected by national law, as well as the management issues on habitat are given.