Vascular plant systematics /  
by Albert E. Radford ... [et al.] ; with contributions by Ben W. Smith ... [et al.] ; ill., except appendix, by Marion S. Seiler. 
 - New York :   Harper & Row,   c1974. 
 - 891 p. :   il. 
<br/><br/><label>ISBN: </label>0060453087 0060453095 
<br/><br/><label>LCCN: </label>74008068  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botânica--Classificação.
<br/><br/><label>Dewey Class. No.: </label>581.012