Gayophytum caesium Gayophytum helleri Gayophytum helleri var. glabrum Gayophytum humile var. hirtellum Gayophytum ramosissimum var. pygmeum Oenothera gayophytum f. caesia Gayophytum racemosum var. caesium Gayophytum racemosum var. racemosum
Taxonomic data from World Flora Online, accessed June 20, 2024