Taxa: Oenothera deltoides, Oenothera deltoides ssp. ambigua (Oenothera deltoides var. decumbens), Oenothera deltoides ssp. deltoides (Oenothera deltoides var. cineracea, Oenothera deltoides var. typica, Oenothera kleinii), Oenothera deltoides ssp. cognata (Oenothera deltoides var. cognata), Oenothera delt
... (show all)oides ssp. piperi (Oenothera deltoides var. piperi), Oenothera deltoides ssp. eurekensis, Oenothera deltoides ssp. howellii, Oenothera deltoides var. howellii