Oryzopsis caerulescens var. straminea (Hausskn.) Halácsy Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Piptatherum species Piptatherum caerulescens Name Homonyms Oryzopsis caerulescens var. straminea (Hausskn.) Halácsy