Carex riparia var. claviformis J.A.Schmidt Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex riparia Name Homonyms Carex riparia var. claviformis J.J.H.Schmidt Carex riparia var. claviformis J.A.Schmidt