Grevtsova, A.T., Vakulenko, T.B. and Nоnischenko N.S. 2021. Introduction of the species of the genera Cotoneaster Medik. and × Sorbocotoneaster pozdnjakovii Pojark. from the Sibirea flora in the Botanical Garden acad. A. V. Fomin of Taras Shevchenko National University of Kiev (message 2). Проблемы ботаники Южной Сибири и Монголии. 20, 1 (Sep. 2021), 124-139. DOI:https://doi.org/10.14258/pbssm.2021025.