Philippov, Dmitriy, Yuriy Bobroff, Andrey Czhobadze, and Andrey Levashov. “<em>Lobelia dortmanna</Em&gt; (Lobeliaceae) in the Vologda Region”. Biological Communications0, no. 1 (March 26, 2016): 84–99. Accessed October 27, 2020. https://biocomm.spbu.ru/article/view/405.