Alopecurus geniculatus Sibth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Sporobolus species Sporobolus alopecuroides Name Homonyms Alopecurus geniculatus L. Alopecurus geniculatus Sibth. ex Steud. Alopecurus geniculatus Lindh. ex Scheele Alopecurus geniculatus Sibth. Alopecurus geniculatus Lindh.