Scirpus atrovirens var. atrovirens Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Scirpus species Scirpus atrovirens Name Homonyms Scirpus atrovirens f. atrovirens Scirpus atrovirens var. atrovirens