Kunev, Georgi, Ivan Kostadinov, and Daniela Karakasheva. “Dipsacus Gmelinii (Caprifoliaceae), a Wetland Species New to the Bulgarian Flora”. Hacquetia 23, no. 1 (January 12, 2024): 145–150. Accessed May 9, 2024. https://ojs.zrc-sazu.si/hacquetia/article/view/11660.