Alex, Jack F. <br/><br/>
Common and botanical names of weeds in Canada 

 - Ottawa :  Department of Agriculture,  1980 
 - 132 p. 
 - Department of Agriculture. Publication, 1397 .
 - Department of Agriculture. Publication, 1397 .
<br/><br/><label>LCCN: </label>16881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas--Canadá.<br/>Malas hierbas--Nomenclatura.
<br/><br/><label>Dewey Class. No.: </label>632.58  / A54