Zsiláné-André, A., A. Somogyi, and I. Holb. “Leaf Number and Plant Height of Three Canna X Generalis Cultivars”. International Journal of Horticultural Science 23, no. 1-4 (April 11, 2017): 22–24. Accessed December 7, 2021. https://ojs.lib.unideb.hu/IJHS/article/view/1197.