Carex davidii subsp. ascocentra (C.B.Clarke ex Franch.) Kük. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex ascotreta Name Homonyms Carex davidii var. ascocentra (C.B.Clarke ex Franch.) Kük. Carex davidii subsp. ascocentra (C.B.Clarke ex Franch.) Kük.