Cleland, Ralph Erskine. <br/><br/>
Oenothera :  cytogenetics and evolution / 
by Ralph E. Cleland. 
 - London :  Academic Press,  1972. 
 - xii,370, 3 p. (2fold) :  ill, fold map, ports. ;  24 cm. 
 - Experimental botany, an international series of monographs ;  vol.5 .
<br/><br/>Includes bibliographical references : p. 344-361 and index. 
<br/><br/><label>ISBN: </label>0121764508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oenothera.<br/>Cytogenetics.