Dickinson, Richard,  1960- <br/><br/>
Weeds of Canada and the northern United States 
Richard Dickinson 
 - Canada:  The university of Alberta Press ,  1998 
 - 434p.  22 cm. 
<br/><br/>includes bibliograpğhical reference and index 
<br/><br/><label>ISBN: </label>088864311X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds
<br/><br/><label>Subjects--Geographic Terms: </label>--Canada--İdentification
<br/><br/><label>LC Class. No.: </label>SB13.C2