Oenothera drummondii (Brandegee) W.Dietr. & W.L.Wagner Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Oenothera species Oenothera drummondii Name Homonyms Oenothera drummondii Hook. Oenothera drummondii Schnizl. Oenothera drummondii Walp.