• Labalina Azbel, 1988 † (uncertain)
• Lavelina Kirkpatrick, 1905 accepted as Clavelina Savigny, 1816
• Lebetina Cassini in F. Cuvier, 1822 accepted as Adenophyllum Persoon, 1807
• Liobolina Richter, 1951 †
• Lobarina Nylander ex Crombie, 1894
• Lobeira E.J. Alexander, 1944 accepted as Disocactus J. Lindley, 1845
• Lobelia Dajoz, 1972 (uncertain) [Family: Coleoptera (awaiting allocation)]
• Lobelia Linnaeus, 1753 [Family: Campanulaceae]
• Lobelia P. Miller, 1754 accepted as Scaevola Linnaeus, 1771 [Family: Goodeniaceae]
• Lobella Börner, 1906 (uncertain)
• Loberina Grouvelle, 1902 (uncertain)
• Lobesia Stainton, 1859
• Lobetina Simon, 1895 accepted as Prasonica Simon, 1895
• Lobina Moquin-Tandon, 1846 (uncertain)
• Loborina Balinski, 1982 †
• Lobulia Greer, 1974
• Locellina Gillet, 1876 accepted as Cortinarius (Persoon) S.F. Gray, 1821
• Loveina Simpson, 1940 †
• Loweina Fowler, 1925
• Lublina Gawar-Biedowa, 1989 † (uncertain)