Alopecurus pratensis var. nigricans Sond., 1851 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Alopecurus species Alopecurus pratensis Name Homonyms Alopecurus pratensis subsp. nigricans (Hornem.) Hartm. Alopecurus pratensis var. nigricans (Hornem.) Wahlenb.