Family Rubiaceae Juss. (1789), nom. cons. - coffee family
   Subfamily Ixoroideae
     01 Tribe Alberteae Sond. (1865)
     02 Tribe Bertiereae
     03 Tribe Coffeeae DC. (1807)
     04 Tribe Condamineeae Benth. & Hook.f. (1873)
     05 Tribe Cremasporeae Bremek. ex S.P. Darwin (1976)
     06 Tribe Gardenieae A.Rich. ex DC. (1830)
     07 Tribe Ixoreae Benth. & Hook.f. (1873)
     08 Tribe Mussaendeae Benth. & Hook.f. (1873)
     09 Tribe Octotropideae Bedd. (1874)
     10 Tribe Pavetteae Dumort. (1829)
     11 Tribe Posoquerieae
     12 Tribe Retiniphylleae
     13 Tribe Sabiceeae
     14 Tribe Sipaneeae
     15 Tribe Vanguerieae