Haslam, S. M. (Sylvia Mary), 1934 <br/><br/>
River plants  the macrophytic vegetation of watercourses 
by S. M. Haslam ; illustrated by P. A. Wolseley 
 - Cambridge  Cambridge University Press  1978 
 - xii, 396 p.  : ill. ; 25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0521214939 
<br/><br/><label>LCCN: </label>76-46857 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stream flora