Delevoryas, Theodore.  x <br/><br/>
Plant diversification  x 

 - x 
 - x  Yale Univ. Theodore Delevoryas  1970 
 - ix, 145 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants Plants 
<br/><br/><label>Dewey Class. No.: </label>581/DEP