Schoenoxiphium leucocephalum Thorel Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex tricephala Name Homonyms Schoenoxiphium leucocephalum Thorel ex E.G.Camus Schoenoxiphium leucocephalum Thorel