Carex acuta var. ruffa L. Dataset GBIF Backbone Taxonomy Rank VARIETY Published in Sp. Pl. ed. 2.: 978 (1763) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex riparia Name Homonyms Carex acuta var. ruffa L. Carex acuta subsp. ruffa (L.) Ehrh. Carex acuta subsp. ruffa (L.) Ehrh.