“Analysis of Ontogenic Structure of Thymus Serpyllum L. Emend. Mill. And Thymus X Polessicus Klokov (Lamiaceae) Coenopopulations Under the Conditions of the Ympil District, Sumy Region (Ukraine)”. Notes in Current Biology, no. 3(387), Aug. 2019, pp. 38-44, https://doi.org/10.29038/2617-4723-2019-387-38-44.