by Seagrave, Chris; Yeomans, Rosie;
Year: 1988.
Book
by Sainty, G. R.; Jacobs, S. W. L.; Australia. National Coordinating Committee on Aquatic Weeds; New South Wales. Royal Botanic Gardens;
Year: 1988
Book
by Zhadin, V. I.; Gerd, S. V.; Finesilver, R. (ed.);
Year: 1970.
Book