Warming, E <br/><br/>
Handbook of systematic botany 

 - 2 
 -  George Allen & Unwin Ltd., London  1932 
 - 620 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>PG 581  WAR-H2