Chara dominii Vilh. is a new species in the flora in Russia. It has been found in Altai krai, Astrakhan oblast, and the Republic of Kalmykia. These findings change the concept of the northern border of the species living range considerably, as practically all C. dominii finds reported up to now were made in Central Asia. A description of the samples under study is given, and the living range of the species is characterized.