An order of flowering plants, with four major families and several smaller ones.

Domain Eucarya
Kingdom Plantae
Division Magnoliophyta
Class Magnoliopsida
Subclass Asteridae (formerly Subclass Dicotyledonae)
Order Solanales

• Family Convolvulaceae (morning-glory)
• Some scientists put the genus Cuscuta from Convolvulaceae in its own family, Cuscutaceae.
• Family Duckeodendraceae:
  • Duckeodendron
• Family Goetzeaceae (often placed in Solanaceae):
  • Coeloneurum
  • Espadaea
  • Goetzea
  • Henoonia
• Some scientists put the tribe Hydroleae from Hydrophyllaceae in its own family, Hydroleaceae
• Family Hydrophyllaceae
• Family Menyanthaceae:
  • Liparophyllum
  • Menyanthes
  • Nephrophyllidium
  • Nymphoides
  • Villarsia
• Family Montinaceae:
  • Grevea
  • Montinia
  • Kaliphora
• Family Polemoniaceae (phlox), assigned to order Ericales in some systems.
• Family Nolanaceae (regarded by some scientists as a subfamily Nolanoideae of Solanaceae):
  • Alona
  • Nolana
• Family Solanaceae (nightshade, tomato, potato, peppers)
• Family Sphenocleaceae:
  • Sphenoclea