• Lamnifera (uncertain)
• Lonicera Adanson, 1763 accepted as Hamelia N.J. Jacquin, 1760 [Family: Rubiaceae]
• Lonicera Boehmer in C.G. Ludwig, 1760 accepted as Psittacanthus C.F.P. Martius, 1830 [Family: Loranthaceae]
• Lonicera J. Gaertner, 1788 accepted as Dendrophthoe C.F.P. Martius, 1830 [Family: Loranthaceae]
• Lonicera Linnaeus, 1753 [Family: Caprifoliaceae]
• Lonicera Meijere, 1924 accepted as Phytomyza Fallén, 1810 [Family: Agromyzidae]
• Lumnitzera J.F. Jacquin ex K.P.J. Sprengel, 1825 (unaccepted) [Family: Lamiaceae]
• Lumnitzera Willdenow, 1803 [Family: Combretaceae]
• Lunigera Hendel, 1900