Leach, Willam <br/><br/>
Plant Ecology / 
Willam  Leach 
 - New York :  John Willy,  1963 
 - 106 p. ;  18 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychotropic plants<br/>Synanthropic plants
<br/><br/><label>Dewey Class. No.: </label>581.5