| Gattung: | Oenothera L. |
| Familie: | Onagraceae |
| Arten: | etwa 120 |
| Vorkommen: | Gemäßigtes N- und S-Amerika, inzw. fast weltweit verbreitet. |
| Arten: | |
| Oenothera acaulis Cav. | |
| Oenothera acaulis var. grandiflora (Ruiz & Pav.) Kuntze | |
| Oenothera affinis Cambess. | |
| Oenothera amplexicaulis (Wooton & Standl.) Tidestr. | |
| Oenothera arequipensis Munz & I.M. Johnst. | |
| Oenothera arizonica (Munz) W.L. Wagner | |
| Oenothera avita (W.M. Klein) W.M. Klein | |
| Oenothera avita subsp. eurekensis (Munz & J.C. Roos) W.M. Klein | |
| Oenothera bahia-blancae W. Dietr. | |
| Oenothera biennis L. | ![]() |
| Oenothera biennis f. argillicola (Mack.) B. Boivin | |
| Oenothera biennis var. austromontana (Munz) Cronquist | |
| Oenothera biennis f. grandiflora (L'Hér.) D.S. Carp. | |
| Oenothera biennis f. muricata (L.) B. Boivin | |
| Oenothera biennis var. nutans (G.F. Atk. & Bartlett) Wiegand | |
| Oenothera biennis var. pycnocarpa (G.F. Atk. & Bartlett) Wiegand | |
| Oenothera biennis f. stenopetala (E.P. Bicknell) B. Boivin | |
| Oenothera biennis var. strigosa (Rydb.) Cronquist | |
| Oenothera brachycarpa A. Gray | |
| Oenothera brachycarpa var. wrightii (A. Gray) H. Lév. | |
| Oenothera catharinensis Cambess. | |
| Oenothera centaurifolia Steud. | |
| Oenothera coquimbensis Gay | |
| Oenothera cruciata (S. Watson) Munz | |
| Oenothera ctenophylla (Wooton & Standl.) Tidestr. | |
| Oenothera curtiflora W.L. Wagner & Hoch | |
| Oenothera deserticola (Loes.) Munz | |
| Oenothera drummondii Hook. | |
| Oenothera drummondii subsp. thalassaphila (Brandegee) W. Dietr. & W.L. Wagner | |
| Oenothera elata Kunth | |
| Oenothera elata subsp. elata | |
| Oenothera elata var. hirsutissima (A. Gray ex S. Watson) Cronquist | |
| Oenothera elata subsp. hookeri (Torr. & A. Gray) W. Dietr. & W.L. Wagner | |
| Oenothera elongata Rusby | |
| Oenothera engelmannii (Small) Munz | |
| Oenothera epilobiifolia Kunth | |
| Oenothera featherstonei Munz & I.M. Johnst. | |
| Oenothera flava (A. Nelson) Munz | |
| Oenothera flava var. acutissima (W.L. Wagner) S.L. Welsh | |
| Oenothera flava subsp. taraxacoides (Wooton & Standl.) W.L. Wagner | |
| Oenothera glazioviana Micheli | |
| Oenothera grisea (Bartlett) Rostanski | |
| Oenothera guttata (Greene ex R.R. Gates) Cockerell | |
| Oenothera hamata (Wooton & Standl.) Tidestr. | |
| Oenothera hirsuta (Spach) Walp. | |
| Oenothera indecora Cambess. | |
| Oenothera jamesii Torr. & A. Gray | |
| Oenothera kunthiana (Spach) Munz | |
| Oenothera laciniata Hill | |
| Oenothera laciniata var. grandiflora (S. Watson) B.L. Rob. | |
| Oenothera lasiocarpa Griseb. | |
| Oenothera longipedicellata (Small) B.L. Rob. | |
| Oenothera longituba W. Dietr. | |
| Oenothera macbrideae (A. Nelson) A. Heller | |
| Oenothera macbrideae var. ornata (A. Nelson) R.R. Gates | |
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Oenothera macrocarpa Nutt. |
|
| Oenothera macrocarpa subsp. fremontii (S. Watson) W.L. Wagner | |
| Oenothera macrocarpa subsp. incana (A. Gray) W.L. Wagner | |
| Oenothera macrocarpa subsp. oklahomensis (Norton) W.L. Wagner | |
| Oenothera macrosceles A. Gray | |
| Oenothera magallanica Phil. | |
| Oenothera mckelveyae (Munz) W.L. Wagner & Hoch | |
| Oenothera mendocinensis Gillies ex Hook. & Arn. | |
| Oenothera missouriensis Sims | ![]() |
| Oenothera mollissima L. | |
| Oenothera montana Nutt. | |
| Oenothera montevidensis W. Dietr. | |
| Oenothera multicaulis Ruiz & Pav. | |
| Oenothera nana Griseb. | |
| Oenothera neomexicana (Small) Tidestr. | |
| Oenothera nocturna Jacq. | |
| Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. | |
| Oenothera oakesiana var. nobska (Sturtev.) R.R. Gates | |
| Oenothera oakesiana var. tidestromii (Bartlett) R.R. Gates | |
| Oenothera odorata Jacq. | |
| Oenothera orizabae W.L. Wagner | |
| Oenothera parodiana Munz | |
| Oenothera parviflora L. | |
| Oenothera parviflora subsp. angustissima (R.R. Gates) Munz | |
| Oenothera parviflora var. oakesiana (A. Gray) Fernald | |
| Oenothera pedunculifolia W. Dietr. | |
| Oenothera perennis L. | |
| Oenothera perennis var. rectipilis (S.F. Blake) S.F. Blake | |
| Oenothera peruana W. Dietr. | |
| Oenothera pratensis (Small) B.L. Rob. | |
| Oenothera primiveris A. Gray | |
| Oenothera primiveris var. bufonis (M.E. Jones) Cronquist | |
| Oenothera primiveris subsp. caulescens (Munz) Munz | |
| Oenothera psammophila (A. Nelson & J.F. Macbr.) Wagner et al. | |
| Oenothera pubescens Willd. ex Spreng. | |
| Oenothera punae Kuntze | |
| Oenothera rivadaviae W. Dietr. | |
| Oenothera rosea L'Hér. ex Aiton | |
| Oenothera sandiana Hassk. | |
| Oenothera santarii W. Dietr. | |
| Oenothera seifrizii Munz | |
| Oenothera siambonensis W. Dietr. | |
| Oenothera simplex (Small) Tidestr. | |
| Oenothera speciosa Nutt. | |
| Oenothera speciosa var. berlandieri (Spach) Munz | |
| Oenothera speciosa var. childsii (L.H. Bailey) Munz | |
| Oenothera stricta Ledeb. ex Link | |
| Oenothera stricta subsp. altissima W. Dietr. | |
| Oenothera tetraptera Cav. | |
| Oenothera texensis P.H. Raven & D.R. Parn. | |
| Oenothera utahensis (Small) Garrett | |
| Oenothera veitchiana (Hook.) Tidestr. | |
| Oenothera verrucosa I.M. Johnst. | |
| Oenothera versicolor Lehm. | |
| Oenothera villaricae W. Dietr. | |
| Oenothera villosa Thunb. | |
| Oenothera villosa subsp. villosa | |
| Oenothera wolfii (Munz) P.H. Raven, W. Dietr. & Stubbe | |