Wilkinson, R. E. <br/><br/>
How to know the weeds 
R. E. Wilkinson [and] H. E. Jaques. 
 - 2d ed. 
 - Dubuque, Iowa  W. C. Brown Co.  [1972] 
 - vii, 232 p.  illus. 
 - Pictured key nature series .
<br/><br/> 1959 ed. by H. E. Jaques. 
<br/><br/><label>ISBN: </label>0697048810  0697048802 (pbk) 
<br/><br/><label>LCCN: </label>75167729 //r863 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Identification.--United States<br/>Weeds--Identification.<br/>Weeds--Identification.--North America