Scirpus atropurpureus Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Scirpus species Scirpus atropurpureus Name Homonyms Scirpus atropurpureus Retz. Scirpus atropurpureus Willd. ex Kunth, 1837 Scirpus atropurpureus Willd.