Regnum Vegetabile Taxon Index Nominum Genericorum Catalogue of Publications January 1968 

 - Utrecht  Int. Bureau for Plant Tax. and Nomencl.  1968 
 - 20 
<br/><br/><label>Subjects--Index Terms: </label>Botany TAXONOMY NOMENCLATURE INDEX NOMINUM GENERICORUM 
<br/><br/><label>Dewey Class. No.: </label>581