Heywood, V. H. <br/><br/>
Plant taxonomy 

 - 2nd ed. 
 - London :   Edward Arnold,  1976. 
 - 60p.  : ill.   ; 22cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>Classification
<br/><br/><label>LC Class. No.: </label>PAM QK95.H48