Oenothera hookeri var. grisea Bartlett Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Oenothera species Oenothera elata Name Homonyms Oenothera hookeri subsp. grisea (Bartlett) Munz Oenothera hookeri var. grisea Bartlett