Konchina, T.; Sidorskaya, V.; Oparina, S.; Rostunov, A.; Baronova, E.; Zhestkova, E. THE SEX SYSTEM OF THE POPULATION OF SAGITTARIA SAITTIFOLIA AS AN INDICATOR OF THE ECOLOGICAL STATUS OF A RIVER. ETR 2017, 1, 150-155. https://doi.org/10.17770/etr2017vol1.2517.