Phalaris aspera Retz. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Observ. Bot. 4: 14 (1786) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Phleum species Phleum paniculatum Name Homonyms Phalaris aspera Retz. Phalaris aspera Lam.