Lawrence, George H. M. <br/><br/>
Taxonomy of vascular plants/ 
by George H. M Lawrence 
 - New York,  : Macmillan  ,1951 
 - 823 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants
<br/><br/><label>Dewey Class. No.: </label>580.12 LAW/T