Oenothera pumila var. minima Lehmann Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Oenothera species Oenothera perennis Name Homonyms Oenothera pumila var. minima Lehmann Oenothera pumila var. minima Lehm. ex Hook.