Wulff, E.V. <br/><br/>
Introduction to histroical plant geography /(by) W.V. Wulff.   
by E V Wulff 
 - U.S.A.  Chronica Botanica Co  1943 
 - xv, 220p 
 - A new series of plant science books  v.10. .
<br/><br/><label>Dewey Class. No.: </label>910.158  / N43