B. M. Duggar <br/><br/>
Proceedings of the International congress of plants sciences. Vol 2 

 - Wisconsin  George banta Publishing Co  1929 
 - 1799p 
<br/><br/>B. M. Duggar: Proceedings of the International congress of plants sciences. Vol 2.  Wisconsin.  George banta Publishing Co, 1929.--(580.6DUG)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>580.6  / ICPS