Pharmacopeial plants in flora of Zabaikalsky Kray Оlga Popova, Тatyana Tkachuk, Natalya Chashchina, Мaria Laevskaya, Аrtem Leskov and Yulia Nikiforova E3S Web of Conf., 462 (2023) 02002 Published online: 12 December 2023 DOI: 10.1051/e3sconf/202346202002