Alopecurus arundinaceus var. exserens (Griseb.) M.Marsson Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Alopecurus species Alopecurus arundinaceus Name Homonyms Alopecurus arundinaceus subsp. exserens H.Scholz & Henker Alopecurus arundinaceus var. exserens T.Marsson Alopecurus arundinaceus var. exserens (Griseb.) M.Marsson