Davis, P. H. <br/><br/>
Principles of angiosperm taxonomy / 
P.H. Davis, V.H. Heywood. 
 - Reprint with corrections. 
 - Huntington, N.Y. :  R.E. Krieger,  1973. 
 - 558 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes (p.489-534). 
<br/><br/>
<br/><br/><label>ISBN: </label>0882751298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification.<br/>Angiosperms.