For citations:

Kirillova I.A., Kirillov D.V. Seed Productivity of Epipactis atrorubens (Hoffm.) Besser (Orchidaceae, Liliopsida) on the Northern Border of its Distribution Area. Povolzhskiy Journal of Ecology. 2020;(2):191-208. (In Russ.) https://doi.org/10.35885/1684-7318-2020-2-191-208