Bank vegetation (Isoёto-Nanojuncetea, Phragmito-Magnocaricetea) of the Kolyma River upper reaches, Russian Far East

Riverine bank communities of the Kolyma River upper reaches were described in 2003, the abnormally low-water year. They are referred to the asso­ciations Glycerietum triflorae Mirkin et al. 1985, Equise­tetum fluviatilis Steffen 1931 (Phragmition, Phragmito-Magnocaricetea), Agrostio stoloniferae—Equisetetum arvensis (Prokopjev 1990) Grigorjev ex Taran 1995 (Agrostio stoloniferae—Equisetion arvensis Taran 1997, Oenanthetalia aquaticae), Colpodietum fulvi Sambuk 1930, Leptodictyo riparii—Ranunculetum gmelinii Si­nelnikova et Taran ass. nov. (Oenanthion aquaticae, Phrag­mito-Magnocaricetea), Eleocharito acicularis—Rori­ppe­­tum hispidae Sinelnikova et Taran ass. nov. (Ela­tino triandrae— Eleo­charition ovatae, Isoёto-Nanojuncetea). The Caltha arctica community with a vague syntaxonomic position is also characterized.