Velev, Nikolay I., and Iva I. Apostolova. “A Review of Potentillo Ternatae-Nardion Strictae Alliance”. Hacquetia 8, no. 1 (August 31, 2015). Accessed May 2, 2024. https://ojs.zrc-sazu.si/hacquetia/article/view/2919.