1. Flora of New Zealand;Allen,1961
2. Rare finds for East Siberia of littoral-aquatic and aquatic plants on the Baikalo-Amur Route;Asovsky;Bot. Zh. (Leningr.),1981
3. New finds of rare species of water plants in Baikal region;Asovsky;Izv. Sib. Otd Akad., Nauk SSSR. Ser. Biol. Nauk.,1984
4. Aquatic plants of Australia;Aston,1973