Lawrence, George Hill Mathewson,  1910- <br/><br/>
Taxonomy of vascular plants / 
George H.M. Lawrence. 
 - New Delhi :  Oxford & IBH,  1967. 
 - xiii, 823 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification.
<br/><br/><label>Dewey Class. No.: </label>580.12 LAW