Taran G.S. (2009a) Floodplain ephemeral vegetation of Ob and Irtish rivers near Khanty-Mansiysk town. In: Vestnik of OSU [Orenburg State University], 2009, No.2, p.108-110. (in Russian, English summary) SUMMARY Floodplain ephemeral vegetation communities with dominance-codominance of Limosella aquatica, Coleanthus subtilis, Callitriche palustris are described on scroll banks of floodplain channels near Khanty-Mansiysk town. The communities belong to the association Rorippo dogadovae-Limoselletum aquaticae Taran 2005 (class Isoeto-Nanojuncetea).