Chypyliak, Tetiana, and Olha Zubrovska. “Features of Development of Species of the Genus Veronica L. In the Conditions of Steppe Zone of Ukraine”. Hacquetia 21, no. 1 (December 1, 2021): 223–233. Accessed July 19, 2024. https://ojs.zrc-sazu.si/hacquetia/article/view/10246.