Oenothera affinis Penny Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Clarkia species Clarkia amoena Name Homonyms Oenothera affinis Cambess. Oenothera affinis Penny ex Loudon Oenothera affinis Penny