Harrison, J Heslop <br/><br/>
New concepts in flowering-plant taxonomy  

 - Cambridge:   Harvard University Press,   1956 
 - viii, 135p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Universal Decimal Class. No.: </label>582.5   / J6