Oenothera nocturna Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Oenothera species Oenothera mollissima Name Homonyms Oenothera nocturna Jacq. Oenothera nocturna Willd. ex Spreng. Oenothera nocturna Willd.