Simpson, Michael G.  1953 <br/><br/>
Plant systematics. 

 - xii, 740p.: ill.  27.5cm 
<br/><br/> Includes bib. ref & index. 
<br/><br/><label>ISBN: </label>978-0-12-374380-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants- classification.
<br/><br/><label>Dewey Class. No.: </label>580 S613 2010