George H. M. Lawrence <br/><br/>
Taxonomy of Vascular Plants 

 - New Delhi  Macmillan  1951 
 - 821p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Taxonomy<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>PG 580.12  LAW-T