For citations:

Zhuikova T.V., Meling E.V., Popova A.S. Group variability of the morphological features of the leaf of Betula pendula Roth (Betulaceae, Magnoliópsida) in the gradient of weather conditions and technogenic soil transformation. Povolzhskiy Journal of Ecology. 2023;(1):37-57. (In Russ.) https://doi.org/10.35885/1684-7318-2023-1-37-57