Polycnemum arvense var. longifolium Beck Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Amaranthaceae genus Polycnemum species Polycnemum arvense Name Homonyms Polycnemum arvense var. longifolium Beck Polycnemum arvense var. longifolium Neilr.