Lawrence, George H. M.,  1910-1978. <br/><br/>
TAXONOMY OF VASCULAR PLANTS / 
by George H. M. Lawrence 
 - xiii, 823 pages :  illustrations ;  21 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Classification
<br/><br/><label>Dewey Class. No.: </label>580.12