• Oenothera Linnaeus, 1753
• Oenothera abramsii J.F. Macbr. accepted as Camissonia pallida (Abrams) Raven
• Oenothera acutissima W.L. Wagner
• Oenothera affinis Camb.
• Oenothera albicaulis Pursh
• Oenothera albinervis R.R. Gates accepted as Oenothera villosa Thunb.
• Oenothera alyssoides Hook. & Arn. accepted as Camissonia boothii (Dougl. ex Lehm.) Raven
• Oenothera amplexicaulis (Woot. & Standl.) Tidestrom accepted as Oenothera pubescens Willd. ex Spreng.
• Oenothera andina Nutt. accepted as Camissonia andina (Nutt.) Raven
• Oenothera angustissima R.R. Gates accepted as Oenothera oakesiana (Gray) J.W. Robbins ex S. Wats. & Coult.
• Oenothera arenaria (A. Nels.) Raven accepted as Camissonia arenaria (A. Nels.) Raven
• Oenothera arenicola (Small) Coker accepted as Oenothera fruticosa Linnaeus
• Oenothera argillicola Mackenzie
• Oenothera arizonica Munz accepted as Oenothera californica (S. Wats.) S. Wats.
• Oenothera austromontana (Munz) Raven, W. Dietr. & Stubbe accepted as Oenothera nutans Atkinson & Bartlett
• Oenothera avita (W. Klein) W. Klein accepted as Oenothera californica (S. Wats.) S. Wats.
• Oenothera biennis Linnaeus
• Oenothera bifrons D. Don accepted as Oenothera cordata J.W. Loudon
• Oenothera bistorta Nutt. ex Torr. & Gray accepted as Camissonia bistorta (Nutt. ex Torr. & Gray) Raven
• Oenothera boothii Dougl. ex Lehm. accepted as Camissonia boothii (Dougl. ex Lehm.) Raven
• Oenothera brachycarpa Gray
• Oenothera breviflora Torr. & Gray accepted as Camissonia breviflora (Torr. & Gray) Raven
• Oenothera brevipes Gray accepted as Camissonia brevipes (Gray) Raven
• Oenothera caespitosa Nutt.
• Oenothera californica (Nutt. ex Torr. & Gray) Greene accepted as Camissonia californica (Nutt. ex Torr. & Gray) Raven
• Oenothera californica (S. Wats.) S. Wats.
• Oenothera campestris Greene accepted as Camissonia campestris (Greene) Raven
• Oenothera canescens Torr. & Frém.
• Oenothera canovirens Steele accepted as Oenothera villosa Thunb.
• Oenothera cardiophylla Torr. accepted as Camissonia cardiophylla (Torr.) Raven
• Oenothera cavernae Munz
• Oenothera cespitosa Nutt. accepted as Oenothera caespitosa Nutt.
• Oenothera chamaenerioides Gray accepted as Camissonia chamaenerioides (Gray) Raven
• Oenothera cheiranthifolia Hornem. ex Spreng. accepted as Camissonia cheiranthifolia (Hornem. ex Spreng.) Raimann
• Oenothera cheradophila Bartlett accepted as Oenothera villosa Thunb.
• Oenothera claviformis Torr. & Frém. accepted as Camissonia claviformis (Torr. & Frém.) Raven
• Oenothera clelandii W. Dietr., Raven & W.L. Wagner
• Oenothera confertiflora Raven accepted as Camissonia confertiflora (Raven) Raven
• Oenothera contorta Dougl. ex Lehm. accepted as Camissonia contorta (Dougl. ex Lehm.) Kearney
• Oenothera cordata J.W. Loudon
• Oenothera coronopifolia Torr. & Gray
• Oenothera coryi W.L. Wagner
• Oenothera cruciata (S. Wats.) Munz accepted as Camissonia contorta (Dougl. ex Lehm.) Kearney
• Oenothera cruciata Nutt. ex G. Don accepted as Oenothera parviflora Linnaeus
• Oenothera cruciformis Kellogg accepted as Camissonia claviformis (Torr. & Frém.) Raven
• Oenothera ctenophylla (Woot. & Standl.) Tidestrom accepted as Oenothera albicaulis Pursh
• Oenothera curtisii (Rose) Small
• Oenothera curtissii Small
• Oenothera cymatilis Bartlett accepted as Oenothera parviflora Linnaeus
• Oenothera decorticans (Hook. & Arn.) Greene accepted as Camissonia boothii (Dougl. ex Lehm.) Raven
• Oenothera delessertiana Steud. accepted as Oenothera speciosa Nutt.
• Oenothera deltoides Torr. & Frém.
• Oenothera densiflora Lindl. accepted as Epilobium densiflorum (Lindl.) Hoch & Raven
• Oenothera dentata auct. non Cav. accepted as Camissonia contorta (Dougl. ex Lehm.) Kearney
• Oenothera depressa Greene accepted as Oenothera villosa Thunb.
• Oenothera drummondii Hook.
• Oenothera eastwoodiae (Munz) Raven accepted as Camissonia eastwoodiae (Munz) Raven
• Oenothera elata Kunth
• Oenothera engelmannii (Small) Munz
• Oenothera erythrosepala Borbás accepted as Oenothera glazioviana Micheli
• Oenothera exilis Raven accepted as Camissonia exilis (Raven) Raven
• Oenothera falfurriae W. Dietr. & W.L. Wagner
• Oenothera fendleri Gray accepted as Calylophus hartwegii (Benth.) Raven
• Oenothera filifolia (Eastw.) Tidestrom accepted as Calylophus hartwegii (Benth.) Raven
• Oenothera flava (A. Nels.) Garrett
• Oenothera fremontii S. Wats. accepted as Oenothera macrocarpa Nutt.
• Oenothera fruticosa Linnaeus
• Oenothera glabella Nutt. accepted as Epilobium pygmaeum (Speg.) Hoch & Raven
• Oenothera glazioviana Micheli
• Oenothera gouldii (Raven) Welsh & Atwood accepted as Camissonia gouldii Raven
• Oenothera graciliflora Hook. & Arn. accepted as Camissonia graciliflora (Hook. & Arn.) Raven
• Oenothera grandiflora L'Hér. ex Ait.
• Oenothera grandis (Britt.) Smyth
• Oenothera greggii Gray accepted as Calylophus hartwegii (Benth.) Raven
• Oenothera guadalupensis S. Wats.p.p. accepted as Camissonia guadalupensis (S. Wats.) Raven
• Oenothera hallii (A. Davids.) Munz accepted as Camissonia pallida (Abrams) Raven
• Oenothera hamata (Woot. & Standl.) Tidestrom accepted as Oenothera triloba Nutt.
• Oenothera harringtonii W.L. Wagner
• Oenothera hartwegii Benth. accepted as Calylophus hartwegii (Benth.) Raven
• Oenothera havardii S. Wats.
• Oenothera heterantha Nutt. accepted as Camissonia subacaulis (Pursh) Raven
• Oenothera heterochroma S. Wats. accepted as Camissonia heterochroma (S. Wats.) Raven
• Oenothera heterophylla Spach
• Oenothera hilgardii Greene accepted as Camissonia hilgardii (Greene) Raven
• Oenothera hirtella Greene accepted as Camissonia hirtella (Greene) Raven
• Oenothera hookeri Torr. & Gray accepted as Oenothera elata Kunth
• Oenothera howardii (A. Nels.) W.L. Wagner
• Oenothera humifusa Nuttall, 1818
• Oenothera ignota (Jepson) Munz accepted as Camissonia ignota (Jepson) Raven
• Oenothera jamesii Torr. & Gray
• Oenothera kernensis Munz accepted as Camissonia kernensis (Munz) Raven
• Oenothera kleinii W.L. Wagner & S. Mill.
• Oenothera kunthiana (Spach) Munz
• Oenothera laciniata Hill
• Oenothera latifolia (Rydb.) Munz
• Oenothera lavandulifolia Torr. & Gray accepted as Calylophus lavandulifolius (Torr. & Gray) Raven
• Oenothera leptocarpa Greene accepted as Camissonia californica (Nutt. ex Torr. & Gray) Raven
• Oenothera linifolia Nutt.
• Oenothera longissima Rydb.
• Oenothera macarocarpa Nutt.