Kuznetsova, M. 2019. Seasonal dynamics of flowering of Calluna vulgaris (L.) Hull and its cultivars in conditions of Kyiv regarding to peculiarities of the flower structure. ScienceRise: Biological Science. 2 (17) (Apr. 2019), 10–13. DOI:https://doi.org/10.15587/2519-8025.2019.165608.