Ivankovska, I.V. “Morphological Features of Fruits and Seeds Productivity of Hosta Tratt. Spesies in the Dendrological Park Sofiyivka”. Plant Introduction 29 (March 1, 2006): 57-59. Accessed October 20, 2026. http://www.plantintroduction.org/index.php/pi/article/view/898.