Gnatiuk, Alla, Mykola Gaponenko, Vlasta Loya, and Andrew Gaponenko. “Distribution of Тrifolium Rubens in Ukraine and the Current State of Its Populations in Zakarpattia”. Plant Introduction, no. 89/90 (April 28, 2021): 72-82. Accessed October 14, 2026. http://www.plantintroduction.org/index.php/pi/article/view/1574.