The ratio of boreal and steppe floristic elements in phytocoenoses involving Populus alba, P nigra, P. tremula and P. × canescens in the Zhaiyk river floodplain. IJBCh [Internet]. 2026 Jun. 30 [cited 2026 Jul. 28];19(1):78-9. Available from: https://ijbch.kaznu.kz/index.php/kaznu/article/view/1140