Gorobetz, V.F., S.P. Mashkovska, TymсhenkoO.D., BuіdinYu.V., and T.O. Shcherbakova. “Department of Decorative Flower Plants: Past and Present”. Plant Introduction 27 (September 1, 2005): 43-51. Accessed October 6, 2024. http://plantintroduction.org/index.php/pi/article/view/930.