Aston, Helen I. <br/><br/>
Aquatic plants of Australia :  a guide to the identification of the aquatic ferns and flowering plants of Australia, both native and naturalized / 
Helen I. Aston. 
 - Melbourne :  Melbourne University Press,  1973. 
 - xv, 368 p. : ill., maps. 
<br/><br/><label>ISBN: </label>0522840442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic plants--Australia.