PenkovskаL. Features of the ontogenetic structure of Helichrysum arenarium L. (Asteraceae) coenopopulations in the different phytocoenosis under the conditions of the Shostka district, Sumy region (Ukraine). ab [Internet]. 2019Sep.30 [cited 2024Dec.22];(3(37):56-0. Available from: https://snaubulletin.com.ua/index.php/ab/article/view/29