Evening-primrose (Oenothera) -

• Nuttall's Evening-primrose (Nuttallii)
  
• Nodding Evening-primrose (Nutans)
  
• New Mexico Evening-primrose (Neomexicana)
  
• Oakes' Evening-primrose (Oakesiana)
  
• Organ Mountain Evening-primrose (Organensis)
  
• Little Evening-primrose (Perennis)
  
• Northern Evening-primrose (Parviflora)
  
• Murdock's Evening-primrose (Murdockii)
  
• Argentine Evening-primrose (Mollissima)
  
• Longstem Evening-primrose (Longissima)
  
• Mountain Evening-primrose (Latifolia)
  
• Threadleaf Evening-primrose (Linifolia)
  
• Bigfruit Evening-primrose (Macrocarpa)
  Fremont's Evening-primrose, Bigfruit Evening-primrose, Bigfruit Evening-primrose
• Mexican Evening-primrose (Mexicana)
  
• Pale Evening-primrose (Pallida)
  Whitepole Evening-primrose, Pale Evening-primrose, Pale Evening-primrose
• Meadow Evening-primrose (Pilosella)
  Meadow Evening-primrose, Meadow Evening-primrose
• Fort Huachuca Evening-primrose (Platanorum)
  
• Texas Evening-primrose (Texensis)
  
• Fourwing Evening-primrose (Tetraptera)
  
• Stemless Evening-primrose (Triloba)
  
• Hairy Evening-primrose (Villosa)
  Hairy Evening-primrose, Hairy Evening-primrose
• Woodyfruit Evening-primrose (Xylocarpa)
  
• Wolf's Evening-primrose (Wolfii)
  
• Chilean Evening-primrose (Stricta)
  
• Pinkladies (Speciosa)
  
• St. Anthony Dunes Evening-primrose (Psammophila)
  
• Desert Evening-primrose (Primiveris)
  Desert Evening-primrose, Desert Evening-primrose
• South American Evening-primrose (Pubescens)
  
• Fourpoint Evening-primrose (Rhombipetala)
  
• Spach's Evening-primrose (Spachiana)
  
• Rose Evening-primrose (Rosea)
  
• Cutleaf Evening-primrose (Laciniata)
  
• Kunth's Evening-primrose (Kunthiana)
  
• Cavedwelling Evening-primrose (Cavernae)
  
• Spotted Evening-primrose (Canescens)
  
• California Evening-primrose (Californica)
  California Evening-primrose, California Evening-primrose, Eureka Dunes Evening-primrose
• Cleland's Evening-primrose (Clelandii)
  
• Heartleaf Evening-primrose (Cordata)
  
• El Paso Evening-primrose (Coryi)
  
• Crownleaf Evening-primrose (Coronopifolia)
  
• Tufted Evening-primrose (Caespitosa)
  Tufted Evening-primrose, Tufted Evening-primrose, Tufted Evening-primrose
• Shortfruit Evening-primrose (Brachycarpa)
  
• Longflower Evening-primrose (Affinis)
  
• Flaming Gorge Evening-primrose (Acutissima)
  
• Whitest Evening-primrose (Albicaulis)
  
• Shale Barren Evening-primrose (Argillicola)
  
• Common Evening-primrose (Biennis)
  
• California Evening-primrose (Arizonica)
  
• Curtiss' Evening-primrose (Curtissii)
  
• Birdcage Evening-primrose (Deltoides)
  Birdcage Evening-primrose, Birdcage Evening-primrose, Birdcage Evening-primrose
• Havard's Evening-primrose (Havardii)
  
• Colorado Springs Evening-primrose (Harringtonii)
  
• Variableleaf Evening-primrose (Heterophylla)
  Variableleaf Evening-primrose, Oriental Evening-primrose
• Howard's Evening-primrose (Howardii)
  
• Trumpet Evening-primrose (Jamesii)
  
• Seabeach Evening-primrose (Humifusa)
  
• Showy Evening-primrose (Grandis)
  
• Largeflower Evening-primrose (Grandiflora)
  
• Engelmann's Evening-primrose (Engelmannii)
  
• Beach Evening-primrose (Drummondii)
  
• Royal Evening-primrose (Falfurriae)
  
• Yellow Evening-primrose (Flava)
  Yellow Evening-primrose, Yellow Evening-primrose
• Narrowleaf Evening-primrose (Fruticosa)
  Narrowleaf Evening-primrose, Narrowleaf Evening-primrose
• Redsepal Evening-primrose (Glazioviana)
  
• Hooker's Evening-primrose (Elata)
  Hooker's Evening-primrose, Hooker's Evening-primrose