Heywood, Vernon Hilton. <br/><br/>
Plant taxonomy / 
V. H. Heywood. 
 - 2nd ed. 
 - London :  Edward Arnold,  1976. 
 - 63 p. :  4 plates, tables, diagrs. 
 - Institute of Biology. Studies in biology ;  no. 5 .
 - Institute of Biology's studies in biology ;  no. 5. .
<br/><br/><label>ISBN: </label>0713126086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification.