Oenothera heterophylla Spach | | a | | Oenothera heterophyllaSpach | |
Oenothera rhombipetala Nutt. ex Torr. & A. Gray | | a | | Oenothera rhombipetalaNutt. ex Torr. & A. Gray | |
Oenothera curtissii Small | | a | | Oenothera curtissiiSmall | |
Oenothera bifrons D. Don | Oenothera heterophylla Spach | | | Oenothera bifronsD. Don | Oenothera heterophyllaSpach |
Oenothera heterophylla Spach subsp. orientalis W. Dietr. et al. | | a | i | Oenothera heterophyllaSpach subsp. orientalis W. Dietr. et al. | |
Oenothera heterophylla Spach subsp. heterophylla | | a | i | Oenothera heterophyllaSpach subsp. heterophylla | |
Oenothera clelandii W. Dietr. et al. | | a | | Oenothera clelandiiW. Dietr. et al. | |