“Populations of Calluna Vulgaris (L.) Hull. In Forest Phytocenosis of the National Nature Park ‘Desniansko-Starogutsky’ (Sumy Region, Ukraine)”. CHORNOMORSKI BOTANICAL JOURNAL, vol. 11, no. 4, Dec. 2015, pp. 438-4, https://doi.org/10.14255/2308-9628/15.114/4.