Holcus tenuis Gay ex Lacaita Dataset GBIF Backbone Taxonomy Rank SPECIES Published in J. Bot. 67: 109 (1929) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Holcus species Holcus gayanus Name Homonyms Holcus tenuis Trin. Holcus tenuis J.Gay Holcus tenuis Gay ex Lacaita