Selected weeds of the United States 

 - Washington :  The Department,  1970 
 - 463 p.  : ilus. mapas 
 - Agriculture handbook  ; 366 .
 - Agriculture handbook  ; 366 .
<br/><br/><label>LCCN: </label>42512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>632.58  / E8