Caldesia parnassifolia var. nilotica Buchenau Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Alismataceae genus Caldesia species Caldesia parnassifolia Name Homonyms Caldesia parnassifolia var. nilotica Bouché Caldesia parnassifolia var. nilotica Buchenau