Oncidium vexillarium Rchb.f. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Not listed in IK. Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Orchidaceae genus Gomesa species Gomesa varicosa Name Homonyms Oncidium vexillarium (Rchb.f. ex Kraenzl.) Königer Oncidium vexillarium Rchb.f.