On the northern boundaries of the Camphorosma songorica bunge (Chenopodiaceae) and Pholiurus pannonicus (Host) Trin. (Gramineae) in the Khoper river basin

The findings of previously unknown coenopopulations of Camphorosma songorica and Pholiurus pannonicus in 2020 in Tambov Region and the Saratov right bank allow us to clarify the northern boundaries of their distribution not only in the Khoper river basin, but also in the middle zone of the European part of Russia as a whole.