All Species in Oenothera
- Argentine Evening Primrose (Oenothera mollissima)
- Beach Evening Primrose (Oenothera drummondii)
- Berlandier's Sundrops (Oenothera capillifolia subsp. berlandieri)
- Biennial Beeblossom (Oenothera gaura)
- Bigfruit Evening Primrose (Oenothera macrocarpa)
- Birdcage Evening Primrose (Oenothera deltoides)
- California Evening Primrose (Oenothera arizonica)
- Cavedwelling Evening Primrose (Oenothera cavernae)
- Chilean Evening Primrose (Oenothera stricta)
- Cleland's Evening Primrose (Oenothera clelandii)
- Colorado Beeblossom (Oenothera coloradensis)
- Colorado Springs Evening Primrose (Oenothera harringtonii)
- Common Evening Primrose (Oenothera biennis)
- Crownleaf Evening Primrose (Oenothera coronopifolia)
- Curtiss' Evening Primrose (Oenothera curtissii)
- Cutleaf Evening Primrose (Oenothera laciniata)
- Demaree's Beeblossom (Oenothera demareei)
- Desert Evening Primrose (Oenothera primiveris)
- Drummond's Beeblossom (Oenothera xerogaura)
- El Paso Evening Primrose (Oenothera coryi)
- Engelmann's Evening Primrose (Oenothera engelmannii)
- Flaming Gorge Evening Primrose (Oenothera acutissima)
- Fort Huachuca Evening Primrose (Oenothera platanorum)
- Fourpoint Evening Primrose (Oenothera rhombipetala)
- Fourwing Evening Primrose (Oenothera tetraptera)
- Hairy Evening Primrose (Oenothera villosa)
- Harlequinbush (Oenothera hexandra)
- Hartweg's Sundrops (Oenothera hartwegii)
- Havard's Evening Primrose (Oenothera havardii)
- Heartleaf Evening Primrose (Oenothera cordata)
- High-Plains Beeblossom (Oenothera cinerea)
- Hooker's Evening Primrose (Oenothera elata)
- Howard's Evening Primrose (Oenothera howardii)
- Kisses (Oenothera suffulta)
- Kunth's Evening Primrose (Oenothera kunthiana)
- Largeflower Evening Primrose (Oenothera grandiflora)
- Lindheimer's Beeblossom (Oenothera lindheimeri)
- Little Evening Primrose (Oenothera perennis)
- Longflower Beeblossom (Oenothera filiformis)
- Longflower Evening Primrose (Oenothera affinis)
- Longstem Evening Primrose (Oenothera longissima)
- Mckelvey's Beeblossom (Oenothera mckelveyae)
- Meadow Evening Primrose (Oenothera pilosella)
- Mexican Evening Primrose (Oenothera mexicana)
- Mountain Evening Primrose (Oenothera pallida subsp. latifolia)
- Murdock's Evening Primrose (Oenothera flava)
- Narrowleaf Evening Primrose (Oenothera fruticosa)
- New Mexico Evening Primrose (Oenothera neomexicana)
- Nodding Evening Primrose (Oenothera nutans)
- Northern Evening Primrose (Oenothera parviflora)
- Nuttall's Evening Primrose (Oenothera nuttallii)
- Oakes' Evening Primrose (Oenothera oakesiana)
- Oenothera acaulis (Oenothera acaulis)
- Oenothera anomala (Oenothera anomala)
- Oenothera arequipensis (Oenothera arequipensis)
- Oenothera avita (Oenothera avita)
- Oenothera avita subsp. avita (Oenothera avita subsp. avita)
- Oenothera avita subsp. californica (Oenothera avita subsp. californica)
- Oenothera avita subsp. eurekensis (Oenothera avita subsp. eurekensis)
- Oenothera bahia-blancae (Oenothera bahia-blancae)
- Oenothera brandegeei (Oenothera brandegeei)
- Oenothera breedlovei (Oenothera breedlovei)
- Oenothera brevipetala (Oenothera brevipetala)
- Oenothera capillifolia (Oenothera capillifolia)
- Oenothera capillifolia subsp. capillifolia (Oenothera capillifolia subsp. capillifolia)
- Oenothera catharinensis (Oenothera catharinensis)
- Oenothera centaureifolia (Oenothera centaureifolia)
- Oenothera cespitosa subsp. cespitosa (Oenothera cespitosa subsp. cespitosa)
- Oenothera cespitosa subsp. crinita (Oenothera cespitosa subsp. crinita)
- Oenothera cespitosa subsp. macroglottis (Oenothera cespitosa subsp. macroglottis)
- Oenothera cespitosa subsp. marginata (Oenothera cespitosa subsp. marginata)
- Oenothera cespitosa subsp. navajoensis (Oenothera cespitosa subsp. navajoensis)
- Oenothera cinerea subsp. cinerea (Oenothera cinerea subsp. cinerea)
- Oenothera cinerea subsp. parksii (Oenothera cinerea subsp. parksii)
- Oenothera coquimbensis (Oenothera coquimbensis)
- Oenothera deltoides subsp. ambigua (Oenothera deltoides subsp. ambigua)
- Oenothera deltoides subsp. cognata (Oenothera deltoides subsp. cognata)
- Oenothera deltoides subsp. deltoides (Oenothera deltoides subsp. deltoides)
- Oenothera deltoides subsp. howellii (Oenothera deltoides subsp. howellii)
- Oenothera deltoides subsp. julpunensis (Oenothera deltoides subsp. julpunensis)
- Oenothera deltoides subsp. piperi (Oenothera deltoides subsp. piperi)
- Oenothera deserticola (Oenothera deserticola)
- Oenothera dissecta (Oenothera dissecta)
- Oenothera dodgeniana (Oenothera dodgeniana)
- Oenothera drummondii subsp. drummondii (Oenothera drummondii subsp. drummondii)
- Oenothera drummondii subsp. thalassaphila (Oenothera drummondii subsp. thalassaphila)
- Oenothera elata subsp. elata (Oenothera elata subsp. elata)
- Oenothera elata subsp. hirsutissima (Oenothera elata subsp. hirsutissima)
- Oenothera elata subsp. hookeri (Oenothera elata subsp. hookeri)
- Oenothera elongata (Oenothera elongata)
- Oenothera epilobiifolia (Oenothera epilobiifolia)
- Oenothera epilobiifolia subsp. cuprea (Oenothera epilobiifolia subsp. cuprea)
- Oenothera epilobiifolia subsp. epilobiifolia (Oenothera epilobiifolia subsp. epilobiifolia)
- Oenothera featherstonei (Oenothera featherstonei)
- Oenothera gayleana (Oenothera gayleana)
- Oenothera glaucifolia (Oenothera glaucifolia)
- Oenothera grisea (Oenothera grisea)
- Oenothera hartwegii subsp. fendleri (Oenothera hartwegii subsp. fendleri)
- Oenothera hartwegii subsp. filifolia (Oenothera hartwegii subsp. filifolia)
- Oenothera hartwegii subsp. hartwegii (Oenothera hartwegii subsp. hartwegii)
- Oenothera hartwegii subsp. maccartii (Oenothera hartwegii subsp. maccartii)
- Oenothera hartwegii subsp. pubescens (Oenothera hartwegii subsp. pubescens)
- Oenothera heterophylla subsp. heterophylla (Oenothera heterophylla subsp. heterophylla)
- Oenothera heterophylla subsp. orientalis (Oenothera heterophylla subsp. orientalis)
- Oenothera hispida (Oenothera hispida)
- Oenothera indecora (Oenothera indecora)
- Oenothera lasiocarpa (Oenothera lasiocarpa)
- Oenothera longiflora (Oenothera longiflora)
- Oenothera longiflora subsp. grandiflora (Oenothera longiflora subsp. grandiflora)
- Oenothera longiflora subsp. longiflora (Oenothera longiflora subsp. longiflora)
- Oenothera longituba (Oenothera longituba)
- Oenothera luciae-julianiae (Oenothera luciae-julianiae)
- Oenothera macrocarpa subsp. fremontii (Oenothera macrocarpa subsp. fremontii)
- Oenothera macrocarpa subsp. incana (Oenothera macrocarpa subsp. incana)
- Oenothera macrocarpa subsp. macrocarpa (Oenothera macrocarpa subsp. macrocarpa)
- Oenothera macrocarpa subsp. mexicana (Oenothera macrocarpa subsp. mexicana)
- Oenothera macrocarpa subsp. oklahomensis (Oenothera macrocarpa subsp. oklahomensis)
- Oenothera macrosceles (Oenothera macrosceles)
- Oenothera magellanica (Oenothera magellanica)
- Oenothera maysillesii (Oenothera maysillesii)
- Oenothera mendocinensis (Oenothera mendocinensis)
- Oenothera montevidensis (Oenothera montevidensis)
- Oenothera muelleri (Oenothera muelleri)
- Oenothera multicaulis (Oenothera multicaulis)
- Oenothera nana (Oenothera nana)
- Oenothera nealleyi (Oenothera nealleyi)
- Oenothera nocturna (Oenothera nocturna)
- Oenothera odorata (Oenothera odorata)
- Oenothera orizabae (Oenothera orizabae)
- Oenothera pallida subsp. pallida (Oenothera pallida subsp. pallida)
- Oenothera pallida subsp. runcinata (Oenothera pallida subsp. runcinata)
- Oenothera pallida subsp. trichocalyx (Oenothera pallida subsp. trichocalyx)
- Oenothera parodiana (Oenothera parodiana)
- Oenothera pedunculifolia (Oenothera pedunculifolia)
- Oenothera pennellii (Oenothera pennellii)
- Oenothera peruana (Oenothera peruana)
- Oenothera picensis (Oenothera picensis)
- Oenothera picensis subsp. bonariensis (Oenothera picensis subsp. bonariensis)
- Oenothera picensis subsp. cordobensis (Oenothera picensis subsp. cordobensis)
- Oenothera picensis subsp. picensis (Oenothera picensis subsp. picensis)
- Oenothera podocarpa (Oenothera podocarpa)
- Oenothera pseudoelongata (Oenothera pseudoelongata)
- Oenothera punae (Oenothera punae)
- Oenothera ravenii (Oenothera ravenii)
- Oenothera ravenii subsp. chilensis (Oenothera ravenii subsp. chilensis)
- Oenothera ravenii subsp. ravenii (Oenothera ravenii subsp. ravenii)
- Oenothera recurva (Oenothera recurva)
- Oenothera resicum (Oenothera resicum)
- Oenothera riparia (Oenothera riparia)
- Oenothera riskindii (Oenothera riskindii)
- Oenothera rivadaviae (Oenothera rivadaviae)
- Oenothera sandiana (Oenothera sandiana)
- Oenothera santarii (Oenothera santarii)
- Oenothera scabra (Oenothera scabra)
- Oenothera seifrizii (Oenothera seifrizii)
- Oenothera sessilis (Oenothera sessilis)
- Oenothera siambonensis (Oenothera siambonensis)
- Oenothera stricta subsp. altissima (Oenothera stricta subsp. altissima)
- Oenothera stricta subsp. stricta (Oenothera stricta subsp. stricta)
- Oenothera stubbei (Oenothera stubbei)
- Oenothera tafiensis (Oenothera tafiensis)
- Oenothera tafiensis subsp. parviflora (Oenothera tafiensis subsp. parviflora)
- Oenothera tafiensis subsp. tafiensis (Oenothera tafiensis subsp. tafiensis)
- Oenothera tamrae (Oenothera tamrae)
- Oenothera tarijensis (Oenothera tarijensis)
- Oenothera tetragona (Oenothera tetragona)
- Oenothera tubicula subsp. strigulosa (Oenothera tubicula subsp. strigulosa)
- Oenothera tubicula subsp. tubicula (Oenothera tubicula subsp. tubicula)
- Oenothera tubifera (Oenothera tubifera)
- Oenothera tubifera subsp. macrocarpa (Oenothera tubifera subsp. macrocarpa)
- Oenothera tubifera subsp. tubifera (Oenothera tubifera subsp. tubifera)
- Oenothera tucumanensis (Oenothera tucumanensis)
- Oenothera verrucosa (Oenothera verrucosa)
- Oenothera versicolor (Oenothera versicolor)
- Oenothera villaricae (Oenothera villaricae)
- Oenothera villosa subsp. strigosa (Oenothera villosa subsp. strigosa)
- Oenothera villosa subsp. villosa (Oenothera villosa subsp. villosa)
- Oenothera wigginsii (Oenothera wigginsii)
- Oenothera × acutifolia (Oenothera × acutifolia)
- Oenothera × braunii (Oenothera × braunii)
- Oenothera × clavifera (Oenothera × clavifera)
- Oenothera × drawertii (Oenothera × drawertii)
- Oenothera × fallax (Oenothera × fallax)
- Oenothera × heiniana (Oenothera × heiniana)
- Oenothera × moravica (Oenothera × moravica)
- Oenothera × polgari (Oenothera × polgari)
- Oenothera × purpurans (Oenothera × purpurans)
- Organ Mountain Evening Primrose (Oenothera organensis)
- Pale Evening Primrose (Oenothera pallida)
- Pinkladies (Oenothera speciosa)
- Plains Beeblossom (Oenothera patriciae)
- Prairie Beeblossom (Oenothera triangulata)
- Redsepal Evening Primrose (Oenothera glazioviana)
- Rio Grande Beeblossom (Oenothera boquillensis)
- Rose Evening Primrose (Oenothera rosea)
- Royal Evening Primrose (Oenothera falfurriae)
- Scarlet Beeblossom (Oenothera suffrutescens)
- Seabeach Evening Primrose (Oenothera humifusa)
- Shale Barren Evening Primrose (Oenothera argillicola)
- Shortfruit Evening Primrose (Oenothera brachycarpa)
- Showy Evening Primrose (Oenothera grandis)
- Slenderstalk Beeblossom (Oenothera filipes)
- South American Evening Primrose (Oenothera pubescens)
- Southern Beeblossom (Oenothera simulans)
- Spach's Evening Primrose (Oenothera spachiana)
- Spotted Evening Primrose (Oenothera canescens)
- St. Anthony Dunes Evening Primrose (Oenothera psammophila)
- Stemless Evening Primrose (Oenothera triloba)
- Texas Beeblossom (Oenothera calcicola)
- Texas Evening Primrose (Oenothera texensis)
- Texas Sundrops (Oenothera tubicula)
- Threadleaf Evening Primrose (Oenothera linifolia)
- Toumey's Sundrops (Oenothera toumeyi)
- Trans-Pecos Beeblossom (Oenothera arida)
- Trumpet Evening Primrose (Oenothera jamesii)
- Tufted Evening Primrose (Oenothera caespitosa)
- Variableleaf Evening Primrose (Oenothera heterophylla)
- Velvetweed (Oenothera curtiflora)
- Wavyleaf Beeblossom (Oenothera sinuosa)
- Whitest Evening Primrose (Oenothera albicaulis)
- Wolf's Evening Primrose (Oenothera wolfii)
- Woodyfruit Evening Primrose (Oenothera xylocarpa)
- Yellow Evening Primrose (Oenothera flava)