Carex retroflexa Muhl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex retroflexa Name Homonyms Carex retroflexa Muhl. ex Willd. Carex retroflexa Muhl. ex Schkuhr Carex retroflexa Muhl.