by Ostapenko, E.K, Khvedynich, O.A
Published in Botanic̆eskij z̆urnal (1987)

by Bannikova, V.P, Khvedynich, O.A, Shpilevaya, S.P, Ostapenko, E.K, Ovsyannikova, O.V
Published in Phytomorphology (1980)

by Ostapenko, E.K, Vilenskij, E.R, Naumenko, V.D, Bubryak, I.I, Grodzinskij, D.M
Published in Ontogenez (Russian Federation) (1993)

by Bannikova, V.P, Khvedynich, O.A. Shpilevaya, S.P, Ostapenko, E.K, Ovsyannikova, O.V
Published in Žurnal obŝej biologii (1981)