Labiatae Juss.
Lacistemataceae
Mart., 1826, nom. cons.
Lactoridaceae Engl., 1888, nom. cons.
Lamiaceae Lindl., 1836, nom. cons.
Aegiphilaceae Raf., 1838
Chloanthaceae Hutch., 1959
Glechomaceae Martinov, 1820
Labiatae Juss., 1789, nom. cons. et nom. alt.
Melittidaceae Martinov, 1820
Menthaceae Burnett, 1835
Nepetaceae Horan., 1834
Salazariaceae F.A. Barkley, 1975
Salviaceae Raf., 1837
Scutellaraceae Caruel, 1894
Siphonanthaceae Raf., 1838
Symphoremataceae (Meisn.) Mold. ex Reveal & Hoogland, 1991
Viticaceae Juss., 1789
Lanariaceae H. Huber ex R. Dahlgren & A.E. van Wyk, 1988
Langsdorffiaceae Tiegh. ex Pilger, 1914
Lardizabalaceae Decne., 1839, nom. cons.
Lauraceae Juss., 1789, nom. cons.
Cassythaceae Bartl. ex Lindl., 1833, nom. cons.
Perseaceae Horan., 1834
Laxmanniaceae Bubani, 1901-1902
Eustrephaceae Chupov, 1994
Lomandraceae Lotsy, 1911
Xerotaceae Endl., 1838, nom. illeg.
Lecythidaceae Poit., 1825, nom. cons.
Barringtoniaceae (DC. ex Schltdl.) Rudolphi, 1830, nom. cons.
Belvisiaceae R. Br., 1821, nom. illeg.
Gustaviaceae Burnett, 1835
Leeaceae (DC.) Dumort., 1829, nom. cons.
Leitneriaceae Benth. & Hook.f., 1880
Lemnaceae Solms, 1870, nom. cons.
Lentibulariaceae Rich., 1808, nom. cons.
Pinguiculaceae Dumort., 1829
Utriculariaceae Hoffmanns. & Link, 1813-1820, nom. cons.
Leonticaceae Bercht. & J. Presl, 1820
Diphylleiaceae Schultz Sch., 1832
Epimediaceae Menge, 1839
Lepidobotryaceae J. Léonard, 1950, nom. cons.
Lepuropetalaceae (Engl.) Nakai, 1943
Lilaeaceae Juss., 1789, nom. cons.
Erythroniaceae Martinov, 1820
Fritillariaceae Salisb., 1866
Liriaceae Batsch, 1786
Tulipaceae Batsch, 1786
Limnanthaceae R. Br., 1833, nom. cons.
Limnocharitaceae Takht. ex Cronquist, 1981
Linaceae DC. ex Gray, 1821, nom. cons.
Lindsaeaceae C. Presl ex Schomb., 1848
Linnaeaceae (Raf.) Backlund, 1998
Lissocarpaceae Gilg, 1924, nom. cons.
Loasaceae Dumort., 1822, nom. cons.
Cevalliaceae Griseb., 1854
Gronoviaceae Endl., 1841
Loganiaceae R. Br. ex Mart., 1827, nom. cons.
Lomandraceae Lotsy
Lomariopsidaceae Alston, 1956
Bolbitidaceae (Pic. Serm.) R.C. Ching, 1978
Elaphoglossaceae Pic. Serm., 1968
Gymnogrammitidaceae R.C. Ching, 1966
Lophophytaceae (Schott & Endl.) Bromhead, 1840
Lophopyxidaceae (Engl.) H. Pfeif., 1951
Lophosoriaceae Pic. Serm., 1970
Loranthaceae Juss., 1808
Elytranthaceae Tiegh., 1896
Gaiadendraceae Tiegh. ex Nakai, 1952
Nuytsiaceae Tiegh., 1896
Psittacanthaceae Nakai, 1952
Treubellaceae Tiegh., 1898, nom. illeg.
Lowiaceae Ridl., 1924, nom. cons.
Loxsomataceae C. Presl, 1847
Luzuriagaceae Lotsy, 1911
Lycopodiaceae Beauv. ex Mirb., 1802
Huperziaceae Rothm., 1962
Phylloglossaceae Kunze, 1843
Urostachyaceae Rothm., 1944, nom. illeg.
Lythraceae J. St.-Hil., 1805, nom. cons.
Ammanniaceae Horan., 1834
Blattiaceae Nied., 1892
Duabangaceae Takht., 1986
Lagerstroemiaceae J. Agardh, 1858
Lawsoniaceae J. Agardh, 1858
Punicaceae Horan., 1834, nom. cons.
Salicariaceae Adans., 1763, nom. illeg.
Sonneratiaceae Engl. & Gilg, 1924, nom. cons.