Clausen, Jens. <br/><br/>
Pant evolution throuh amphiploidy and autoploidy, with examples from the Maddinae 

 - Washington :  Carnegie Institution,  1945 
 - 174 p. 
 - Experimental studies on the nature of species  ; II .
 - Experimental studies on the nature of species  ; II .
<br/><br/> Publication 564 
<br/><br/><label>LCCN: </label>21476 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolución (Plantas)
<br/><br/><label>Dewey Class. No.: </label>581.38  / C5