Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
       Superorder Campanulanae Takht. ex Reveal (1992) see Order Asterales Link (1829)
         Order Campanulales Juss. ex Bercht. & J.Presl (1820) see Order Asterales Link (1829)
           Family Lobeliaceae Juss. (1813), nom. cons. see Subfamily Lobelioideae Burnett (1835)
             Tribe Lobelieae Rchb. (1831)
               01 Genus Siphocampylus Pohl (1830)
               02 Genus Diastatea Scheidweiler (1841)
               03 Genus Palmerella A.Gray (1876)
               04 Genus Solenopsis C.Presl (1836)
               05 Genus Porterella
               06 Genus Isotoma (R.Br.) Lindl. (1826)
               07 Genus Lobelia L. (1753) - lobelias
               08 Genus Trematolobelia
               09 Genus Grammatotheca C.Presl (1836)
               10 Genus Monopsis Salisb. (1817)
               11 Genus Heterotoma Zucc. (1832)
               12 Genus Dialypetalum Bentham, in Bentham & Hook.f. (1873)
               13 Genus Ruthiella Steenis (1965)
               14 Genus Legenere McVaugh (1943)
               15 Genus Unigenes E. Wimmer (1948)
               16 Genus Downingia J. Torrey (1857), nom. cons.
               17 Genus Howellia A.Gray (1879)
               18 Genus Brighamia A.Gray (1866)
               19 Genus Sclerotheca A.DC. (1839)
               20 Genus Apetahia Baill. (1882)
               21 Genus Lysipomia Kunth, in Humb. et al. (1819)