Heslop-Harrison, J. <br/><br/>
New concepts in flowering-plant taxonomy / 
J. Heslop-Harrison, 
 - London :  Harvard University Press,  1953 [reprinted 1965] 
 - viii, 134 p.  ill. ;  19 cm. 
<br/><br/>Bibliography: p. 130. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Classification.<br/>Plants--Variation.
<br/><br/><label>Dewey Class. No.: </label>582.13012  / HEN 1965