The biology of aquatic vascular plants /

by Sculthorpe, C. D.
Imprint 1967

Water plants : a study of aquatic angiosperms.

by Arber, Agnes, 1879-1960.
Imprint 1920

Ecology of water weeds in the neotropics; an ecological survey of the aquatic weeds Eichhornia crassipedes and Salvinia species, and their natural enemies in the neotropics /

by Mitchell, D. S.
Imprint 1972