| Rubiaceae | |
Abbottia
| F. Muell. | Fragm. 9: 181 | 1875 |
| Rubiaceae | |
Abramsia
| Gillespie | Bernice P. Bishop Mus. Bull. 91: 27 | 1932 |
| Rubiaceae | |
Achilleanthus
| J. Chavez | Bot. J. Linn. Soc. 197: 93-94 | 2021 |
| Rubiaceae | ** |
Acmostigma
| | | |
| Rubiaceae | |
Acmostima
| Raf. | Sylva Tellur. 26 | 1838 |
| Rubiaceae | !! |
Acranthera
| Arn. ex Meisn. | Pl. Vasc. Gen. 1: 162 | 1838 |
| Rubiaceae | |
Acrobotrys
| K. Schum. & K. Krause | Bot. Jahrb. Syst. 40: 316 | 1908 |
| Rubiaceae | |
Acrodryon
| Spreng. | Syst. Veg. [Sprengel] 1: 386 | 1825 [1824] |
| Rubiaceae | ** |
Acrostoma
| Didr. | | |
| Rubiaceae | |
Acrosynanthus
| Urb. | Symb. Antill. 7: 544 | 1913 |
| Rubiaceae | |
Acunaeanthus
| Borhidi, Járai-Koml. & Moncada | Acta Bot. Acad. Sci. Hung. 26(3–4): 282 | 1980 [1981] |
| Rubiaceae | |
Adenorandia
| Vermoesen | Natuurw. Tijdschr. Ned.-Indië 4: 5 | 1922 |
| Rubiaceae | ** |
Adenosacme
| Wall. | Numer. List n. 6280–6282 | 1832 |
| Rubiaceae | |
Adenosacme
| Wall. ex Endl. | Gen. Pl. 1: 552 | 1838 |
| Rubiaceae | ** |
Adenosacme
| Wall. ex Miq. | | |
| Rubiaceae | ** |
Adenosacme
| Wall. ex G. Don | Gen. Hist. 3: 519 | 1834 |
| Rubiaceae | |
Adenothola
| Lem. | Fl. Serres Jard. Eur. 2: t. VI | 1846 |
| Rubiaceae | ! |
Adina
| Salisb. | Parad. Lond. , pl. 115 ["116"] | 1808 |
| Rubiaceae | |
Adinauclea
| Ridsdale | Blumea 24: 349 | 1979 |
| Rubiaceae | |
Adolphoduckea
| Paudyal & Delprete | Bot. J. Linn. Soc. 187: 384–385 | 2018 |
| Rubiaceae | * |
Aeginetia
| Cav. | Icon. 6: [51] | 1801 |
| Rubiaceae | ** |
Aetheonoma
| Meisn. ex Steud. | Nomencl. Bot. (ed. 2) 651 | 1845 |
| Rubiaceae | |
Afrocanthium
| (Bridson) Lantz & B. Bremer | Bot. J. Linn. Soc. 146: 278 | 2004 |
| Rubiaceae | |
Afrohamelia
| Wernham | Cat. Talbot's Nigerian Pl. 43 | 1913 |
| Rubiaceae | |
Afroknoxia
| Verdc. | Kew Bull. 36. 521. p 493 | 1981 |
| Rubiaceae | |
Agathisanthemum
| Klotzsch | Naturwiss. Reise Mossambique Bot. 294 | 1861 |
| Rubiaceae | ** |
Agatisanthemum
| | | |
| Rubiaceae | |
Agouticarpa
| C.H. Perss. | Brittonia 55(2): 180 | 2003 |
| Rubiaceae | * |
Agylophora
| Neck. ex Raf. | Ann. Gén. Sci. Phys. 6: 82 | 1820 |
| Rubiaceae | ** |
Agylophorus
| Neck. ex Raf. | Sylva Tellur. 148 | 1838 |
| Rubiaceae | ! |
Aidia
| Lour. | Fl. Cochinch. 143 | 1790 |
| Rubiaceae | |
Aidiopsis
| Tirveng. | Bull. Mus. Natl. Hist. Nat., B, Adansonia, sér. 4 8: 287 | 1986 |
| Rubiaceae | |
Airosperma
| K. Schum. & Lauterb. | Fl. Schutzgeb. Südsee 565 | 1900 |
| Rubiaceae | |
Aitchisonia
| Hemsley ex Aitchison | J. Linn. Soc., Bot. 19: 166 | 1882 |
| Rubiaceae | |
Alberta
| E. Mey. | Linnaea 12: 258 | 1838 |
| Rubiaceae | |
Aleisanthia
| Ridl. | J. Fed. Malay States Mus. 10: 138 | 1920 |
| Rubiaceae | |
Aleisanthiopsis
| Tange | Nordic J. Bot. 16: 571 | 1996 [1997] |
| Rubiaceae | |
Alibertia
| A. Rich. | Prodr. 4: 443 | 1830 |
| Rubiaceae | |
Allaeophania
| Thwaites | Enum. Pl. Zeyl. 147 | 1859 |
| Rubiaceae | |
Alleizettea
| Dubard & Dop | J. Bot. (Morot) 3: 6 | 1910 |
| Rubiaceae | ! |
Alleizettella
| Pit. | Fl. Indo-Chine 3: 278 | 1923 |
| Rubiaceae | ** |
Allemaoa
| Hoffsgg. ex Schlecht. | Linnaea 28: 511 | 1856 |
| Rubiaceae | |
Allenanthus
| Standl. | Ann. Missouri Bot. Gard. 27(3): 344 | 1940 |
| Rubiaceae | |
Alseis
| Schott | Syst. Veg. [Sprengel] 4(2): 404 | 1827 |
| Rubiaceae | |
Amaioua
| Aubl. | Hist. Pl. Guiane 2(Suppl.): 13, t. 375 | 1775 |
| Rubiaceae | |
Amaiova
| Juss. | Mém. Mus. Hist. Nat. 6: 11 | 1820 |
| Rubiaceae | |
Amajoa
| Desf. | Mém. Mus. Hist. Nat. 6: 11 | 1820 |
| Rubiaceae | |
Amajoua
| Roem. & Schult. | Syst. Veg. (ed. 15 bis) 5: xx, 267 | 1819 |
| Rubiaceae | |
Amaracarpus
| Blume | Bijdr. Fl. Ned. Ind. (16): 954 | 1826 [1826-1827] |
| Rubiaceae | |
Amaralia
| Welw. ex Hook. f. | Gen. Pl. 2: 90 | 1873 |
| Rubiaceae | |
Ambraria
| Heist. ex Fabr. | Enum. (ed. 2) 435 | 1763 |
| Rubiaceae | ** |
Ammianthus
| Spruce ex Hook. | Gen. Pl. 2(1): 98 | 1873 |
| Rubiaceae | |
Amphiasma
| Bremek. | Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Tweede Sect. 48(2): 168 | 1952 |
| Rubiaceae | ! |
Amphidasya
| Standl. | Publ. Field Mus. Nat. Hist., Bot. Ser. 11(5): 180 | 1936 |
| Rubiaceae | |
Amphistemon
| Groeninckx | Bot. J. Linn. Soc. 163(4): 450–458, fig. 1, 2, 3A–H, 4A–F, 5A–B, 6 | 2010 |
| Rubiaceae | ** |
Anabata
| Willd. ex Roem. & Schult. | Syst. Veg. (ed. 15 bis) 4: lx, 707 | 1819 |
| Rubiaceae | |
Anacylanthus
| Steud. | Nom.ed. 2 1: 82 | 1840 |
| Rubiaceae | |
Ancylanthos
| Desf. | Mém. Mus. Hist. Nat. 4: 5 | 1818 |
| Rubiaceae | |
Ancylanthus
| Juss. | Mém. Mus. Hist. Nat. 6: 395 | 1820 |
| Rubiaceae | ** |
Anderosacme
| G. Don | Gen. Hist. 3: 519 | 1834 |
| Rubiaceae | * |
Andersonia
| Willd. ex Roem. & Schult. | Syst. Veg. (ed. 15 bis) 5: 21 | 1819 |
| Rubiaceae | |
Androtropis
| R. Br. ex Wall. | Numer. List 8398 | 1847 |
| Rubiaceae | ** |
Angusta
| J. Ellis | Corr. Linnaeus 1: 102–106 | 1821 |
| Rubiaceae | |
Anisomeris
| C. Presl | Symb. Bot. 2: 5 | 1834 |
| Rubiaceae | |
Anistelma
| Raf. | Autik. Bot. 69 | 1840 |
| Rubiaceae | |
Anomanthodia
| Hook. f. | Gen. Pl. 2: 87 | 1873 |
| Rubiaceae | * |
Anotis
| DC. | Prodr. 4: 431 | 1830 |
| Rubiaceae | ** |
Antacanthus
| Rich. ex DC. | Prodr. 4: 484 | 1830 |
| Rubiaceae | |
Antherostele
| Bremek. | J. Arnold Arbor. 21(1): 26–28 | 1940 |
| Rubiaceae | |
Antherura
| Lour. | Fl. Cochinch. 96, 143 | 1790 |
| Rubiaceae | |
Anthocephalus
| A. Rich. | Mém. Rubiac. 157 | 1830 |
| Rubiaceae | |
Anthorrhiza
| C.R. Huxley & Jebb | Bull. Jard. Bot. Natl. Belg. 60(3–4): 420 | 1990 |
| Rubiaceae | |
Anthospermopsis
| (K. Schum.) J.H. Kirkbr. | Brittonia 49(3): 373 | 1997 |
| Rubiaceae | |
Anthospermum
| L. | Sp. Pl. 2: 1058 | 1753 |
| Rubiaceae | ! |
Antirhea
| Comm. ex Juss. | Gen. Pl. 204 | 1789 |
| Rubiaceae | * |
Antirhoea
| DC. | Prodr. 4: 459 | 1830 |
| Rubiaceae | ** |
Antirrhaea
| Benth. | Fl. Austral. (3): 418 | 1867 |
| Rubiaceae | ** |
Antirrhoea
| Endl. | Ench. Bot. 272, 692 | 1841 |
| Rubiaceae | ** |
Antirrhoea
| Comm. ex A. Juss. | Gen. Pl. 204 | 1789 |
| Rubiaceae | ! |
Antoniana
| Tussac | Fl. Antill. 2: 62 | 1818 |
| Rubiaceae | |
Aoranthe
| Somers | Bull. Jard. Bot. Natl. Belg. 58: 64 | 1988 |
| Rubiaceae | |
Aparinanthus
| Fourr. | Ann. Soc. Linn. Lyon, sér. 2 16: 397 | 1868 |
| Rubiaceae | |
Aparine
| Guett. | Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4to) 1750: 189 | 1754 |
| Rubiaceae | |
Aparinella
| Fourr. | Ann. Soc. Linn. Lyon, sér. 2 16: 397 | 1868 |
| Rubiaceae | |
Aphaenandra
| Miq. | Fl. Ned. Ind. 2: 341 | 1857 |
| Rubiaceae | |
Aphanocarpus
| Steyerm. | Mem. New York Bot. Gard. 12(3): 263–264 | 1965 |
| Rubiaceae | |
Apomuria
| Bremek. | Verh. Kon. Akad. Wetensch,. Afd. Natuurk., Sect. 2 54(5): 88 | 1963 |
| Rubiaceae | |
Appunettia
| R.D. Good | J. Bot. 64(Suppl. 2): 30 | 1926 |
| Rubiaceae | |
Appunia
| Hook. f. | Gen. Pl. 2(1): 120 | 1873 |
| Rubiaceae | |
Arachnimorpha
| Desv. ex Ham. | Prodr. Pl. Ind. Occid. 28 | 1825 |
| Rubiaceae | |
Arachnothryx
| Planch. | Fl. Serres Jard. Eur. 5: 442 | 1849 |
| Rubiaceae | |
Arariba
| Mart. | Sitzungsber. Königl. Bayer. Akad. Wiss. München 1860: 323 | 1860 |
| Rubiaceae | |
Arbulocarpus
| Tennant | Kew Bull. 1957: 386 | 1958 |
| Rubiaceae | ** |
Arcythophyllum
| Schltdl. | Linnaea 28: 491 | 1857 |
| Rubiaceae | ! |
Arcytophyllum
| Schult. & Schult. f. | Mant. 3: 5, 108 | 1827 |
| Rubiaceae | ** |
Argocoffea
| Lebrun | Mém. Inst. Roy. Colon. Belge, Sect. Sci. Nat. (8vo) 3: 39 | 1941 |
| Rubiaceae | |
Argocoffeopsis
| Lebrun | Mém. Inst. Roy. Colon. Belge, Sect. Sci. Nat. (8vo) 11(3): 55 | 1941 |
| Rubiaceae | ! |
Argostemma
| Wall. | Fl. Ind. 2: 324 | 1824 |
| Rubiaceae | |
Argostemmella
| Ridl. | J. Bot. 65: 41 | 1927 |
| Rubiaceae | |
Ariadne
| Urb. | Repert. Spec. Nov. Regni Veg. 18: 25-26 | 1922 |