Evening Primrose Family (Onagraceae) -

• Enchanter's Nightshade (Circaea)
  Small Enchanter's Nightshade, Broadleaf Enchanter's Nightshade
• Clarkia (Clarkia)
  Chaparral Clarkia, Farewell To Spring, Glandular Clarkia
• Fireweed (Chamerion)
  Fireweed, Dwarf Fireweed
• Suncup (Camissonia)
  Paiute Suncup, Sierra Suncup, Kaibab Suncup
• Sundrops (Calylophus)
  Berlandier's Sundrops, Hartweg's Sundrops, Lavenderleaf Sundrops
• Stenosiphon (Stenosiphon)
  False Gaura
• Evening-primrose (Oenothera)
  Hooker's Evening-primrose, Flaming Gorge Evening-primrose, Longflower Evening-primrose
• Groundsmoke (Gayophytum)
  Pinyon Groundsmoke, Deceptive Groundsmoke, Spreading Groundsmoke
• Fuchsia (Fuchsia)
  Andre's Fuchsia, Aretillo, Bolivian Fuchsia
• Beeblossom (Gaura)
  Southern Beeblossom, Biennial Beeblossom, Rio Grande Beeblossom
• Lopezia (Lopezia)
  
• Primrose-willow (Ludwigia)
  Winged Primrose-willow, Seedbox, Piedmont Primrose-willow
• Willowherb (Epilobium)
  Arctic Willowherb, Pimpernel Willowherb, Aboriginal Willowherb