1. Azovskii, M.G. and Chepinoga, V.V., Flora vysshikh rastenii ozera Baikal (Flora of Higher Plants of Lake Baikal), Irkutsk: Irkutsk. Gos. Univ., 2007.
2. Alekseev, Yu.E., Family Sparganiaceae Rudolphi in Flora Evropeiskoi chasti SSSR (Flora of the European Part of the USSR), Leningrad: Nauka, 1979, vol. 4, pp. 322–326.
3. Baranova, O.G., Supplement to the hydrophilic flora of the Volga River basin within the Viatka–Kama interfluve, Vestn. Udmurt. Univ., Ser. Biol., Nauki Zemle, 2010, no. 2, pp. 34–74.
4. Barkalov, V.Yu. and Taran, A.A., Checklist of species of vascular plants of the Sakhalin Island, in Rastitel’nyi i zhivotnyi mir ostrova Sakhalin: Mater. Mezhdunar. Sakhalinskogo proekta (The Flora and Fauna of the Sakhalin Island: Transactions of the International Sakhalin Project), Vladivostok: Dal’nauka, 2004, part 1, pp. 39–66.
5. Belavskaya, A.P., On the method of studying aquatic plants, Bot. Zh., 1979, vol. 64, no. 1, pp. 32–41.