Sitnyanska, N.P., and A.I. Zhila. “Leaf Macro- and Miсromorphology of Some Species of Veltheimia Gled. (Hyacinthaceae Batsch)”. Plant Introduction 29 (March 1, 2006): 46-51. Accessed October 5, 2024. http://plantintroduction.org/index.php/pi/article/view/896.