Flowering plants:   Evolution and classification of higher categories  
/ Symposium, Hamburg, September 8-12, 1976  
 - New York:   Springer-Verlag,   1977 
 - viii, 413p. 
 - Plant systematics and evolution  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Universal Decimal Class. No.: </label>582.5   / L7