Eriophorum angustifolium f. angustifolium Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Eriophorum species Eriophorum angustifolium Name Homonyms Eriophorum angustifolium subsp. angustifolium Eriophorum angustifolium var. angustifolium