Jogan, Nejc. “Yellow Goatsbeard Tragopogon Dubius Scop. (Asteraceae): Confirmation of Its Dubious Occurrence in Central Slovenia”. Natura Sloveniae 15, no. 2 (December 30, 2013): 5–11. Accessed May 18, 2025. https://journals.uni-lj.si/NaturaSloveniae/article/view/16803.