| Gentianaceae | |
Adenema
| G. Don | Gen. Hist. 4: 174, 201 | 1837 |
| Gentianaceae | |
Adenolisianthus
| (Progel) Gilg | Nat. Pflanzenfam. 4(2): 98 | 1895 |
| Gentianaceae | |
Agathotes
| D. Don | Trans. Linn. Soc. London 17: 522 | 1837 |
| Gentianaceae | ! |
Agina
| Necker ex Post & Kuntze | Lex. Gen. Phan. 14 | 1903 |
| Gentianaceae | |
Aliopsis
| Omer & Qaiser | Willdenowia 21(1–2): 190 | 1991 |
| Gentianaceae | |
Aloitis
| Raf. | Fl. Tellur. 3: 21–22 | 1836 [1837] |
| Gentianaceae | |
Amarella
| Gilib. | Fl. Lit. Inch. 1: 36 | 1782 |
| Gentianaceae | |
Anagallidium
| Griseb. | Gen. Sp. Gent. 311–312 | 1839 [1838] |
| Gentianaceae | |
Andrewsia
| Spreng. | Anleit. Kenntn. Gew. (ed. 2) 2(1) : 474. | 1817 |
| Gentianaceae | |
Anthocleista
| Afzel. ex R. Br. | Narr. Exped. Zaire App. 5: 449 | 1818 |
| Gentianaceae | |
Anthopogon
| Neck. ex Raf. | Fl. Tellur. 3: 25 | 1836 [1837] |
| Gentianaceae | ** |
Anthopogon
| Neck. | Elem. Bot. 2: 12 | 1790 |
| Gentianaceae | |
Apophragma
| Griseb. | Gen. Sp. Gent. 163 | 1839 [1838] |
| Gentianaceae | |
Arctogentia
| Á. Löve | Phytologia 50(3): 172 | 1982 |
| Gentianaceae | |
Arenbergia
| M. Martens & Galeotti | Bull. Acad. Roy. Sci. Bruxelles 11(1): 373 | 1844 |
| Gentianaceae | |
Aripuana
| Struwe, Maas & V.A. Albert | Harvard Pap. Bot. 2(2): 236, f. 1–6 | 1997 |
| Gentianaceae | |
Asterias
| Borkh. | Arch. Bot. (Leipzig) 1(1): 25 | 1796 |
| Gentianaceae | !! |
Bartonia
| Muhl. ex Willd. | Ges. Naturf. Freunde Berlin Neue Schriften 3: 444–445 | 1801 |
| Gentianaceae | !! |
Belmontia
| E. Mey. | Comm. Pl. Afr. Austr. 183 | |
| Gentianaceae | ! |
Biglandularia
| H. Karst. | Linnaea 28: 416 | 1857 |
| Gentianaceae | |
Bilamista
| Raf. | New Fl. 4: 92 | 1836 [1838] |
| Gentianaceae | |
Bisgoeppertia
| Kuntze | Revis. Gen. Pl. 2: 426 | 1891 |
| Gentianaceae | ! |
Blackstonia
| Huds. | Fl. Angl. 146 | 1762 |
| Gentianaceae | |
Blepharaden
| Dulac | Fl. Hautes-Pyrénées 449 | 1867 |
| Gentianaceae | ! |
Brachycodon
| (Benth.) Progel | Fl. Bras. 6(1): 229 | 1865 |
| Gentianaceae | |
Calathiana
| Delarbre | Fl. Auvergne (ed. 2) 28 | 1800 |
| Gentianaceae | |
Calixnos
| Raf. | Fl. Tellur. 4: 82 | 1836 [1838] |
| Gentianaceae | |
Callopisma
| Mart. | Nov. Gen. Sp. Pl. 2: 107 | |
| Gentianaceae | |
Calolisianthus
| (Griseb.) Gilg | Nat. Pflanzenfam. 4(2): 99 | 1895 |
| Gentianaceae | |
Canscora
| Lam. | Encycl. 1: 601 | 1785 |
| Gentianaceae | |
Carissophyllum
| Pichon | Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 2: 94 | |
| Gentianaceae | |
Celiantha
| Maguire | Mem. New York Bot. Gard. 32: 382 | 1981 |
| Gentianaceae | |
Centaurella
| Delarbre | Fl. Auvergne (ed. 2) 28 | 1800 |
| Gentianaceae | * |
Centaurella
| Michx. | Fl. Bor.-Amer. 1: 97 | 1803 |
| Gentianaceae | |
Centaurion
| Adans. | Fam. Pl. 2: 502 | 1763 |
| Gentianaceae | * |
Centaurium
| Borkh. | Arch. Bot. (Leipzig) l(l): 29 | 1796 |
| Gentianaceae | * |
Centaurium
| Pers. | Syn. Pl. 1: 137 | 1805 |
| Gentianaceae | ! |
Centaurium
| Hill | Brit. Herb. 62–63, pl. 9 [upper left] | 1756 |
| Gentianaceae | |
Centaurodes
| Möhring ex Kuntze | Revis. Gen. Pl. 2: 426 | 1891 |
| Gentianaceae | * |
Ceratia
| Pers. | Syn. Pl. 1: 287 | 1805 |
| Gentianaceae | ** |
Chaelothilus
| Neck. | Elem. Bot. 2: 14 | 1790 |
| Gentianaceae | |
Chelonanthus
| (Griseb.) Gilg | Nat. Pflanzenfam. IV(2): 98 | 1895 |
| Gentianaceae | |
Chionogentias
| L.G. Adams | Austral. Syst. Bot. 8(5): 949 | 1995 |
| Gentianaceae | |
Chiophila
| Raf. | Fl. Tellur. 3: 23 | 1837 |
| Gentianaceae | |
Chiophilla
| Raf. | Fl. Tellur. 3: 23 | 1836 [1837] |
| Gentianaceae | |
Chirona
| Cothen. | Disp. 11 | 1790 |
| Gentianaceae | |
Chironia
| L. | Sp. Pl. 1: 189 | 1753 |
| Gentianaceae | |
Chlora
| Adans. | Fam. Pl. 2: 503 | 1763 |
| Gentianaceae | |
Chondrophylla
| A. Nelson | Bull. Torrey Bot. Club 31(5): 245 | 1904 |
| Gentianaceae | |
Chondropis
| Raf. | Fl. Tellur. 3: 29 | 1837 |
| Gentianaceae | |
Chondropsis
| Raf. | Fl. Tellur. 3: 29, 97 | 1836 [1837] |
| Gentianaceae | |
Chorisepalum
| Gleason & Wodehouse | Bull. Torrey Bot. Club 58: 451 | 1931 |
| Gentianaceae | |
Cicendia
| Adans. | Fam. Pl. 2: 503 | 1763 |
| Gentianaceae | * |
Cicendiola
| Bubani | Fl. Pyren. 1: 536 | 1897 |
| Gentianaceae | |
Cicendiopsis
| Kuntze | Revis. Gen. Pl. 3(3): 107 | 1898 |
| Gentianaceae | |
Ciminalis
| Adans. | Fam. Pl. 2: 504 | 1763 |
| Gentianaceae | |
Cobamba
| Blanco | Fl. Filip. 510 | 1837 |
| Gentianaceae | ** |
Coelanthe
| Borkh. ex Griseb. | Gen. Sp. Gent. 297 | 1839 [1838] |
| Gentianaceae | |
Coilantha
| Borkh. | Arch. Bot. (Leipzig) 1(1): 25 | 1796 |
| Gentianaceae | |
Comastoma
| (Wettst.) Toyok. | Bot. Mag. (Tokyo) 74(874): 198 | 1961 |
| Gentianaceae | |
Congolanthus
| A. Raynal | Adansonia 8: 56 | 1968 |
| Gentianaceae | |
Cotylanthera
| Blume | Bijdr. Fl. Ned. Ind. (13): 707 | 1825 [1826] |
| Gentianaceae | |
Coutoubea
| Aubl. | Hist. Pl. Guiane 1: 72, t. 27 | 1775 |
| Gentianaceae | ** |
Coutubea
| Steud. | Nomencl. Bot. (ed. 2) 1: 429 | 1840 |
| Gentianaceae | |
Cracosna
| Gagnep. | Bull. Soc. Bot. France 76: 776 | 1929 |
| Gentianaceae | * |
Crawfordia
| Rchb. | Handb. Nat. Pfl.-Syst. 211 | 1837 |
| Gentianaceae | |
Crawfurdia
| Wall. | Tent. Fl. Napal. 63 | 1826 |
| Gentianaceae | * |
Crossopetalum
| Roth | Enum. Pl. Phaen. 1(1): 515 | |
| Gentianaceae | * |
Cruciata
| J. E. Gilibert | Fl. Lit. Inch. 1: 36 | 1782 |
| Gentianaceae | |
Curtia
| Cham. & Schltdl. | Linnaea 1: 209–210, t. 4, f. 2 | 1826 |
| Gentianaceae | |
Cuttera
| Raf. | Med. Repos., hexade 2, 2(5): 352 | 1808 |
| Gentianaceae | ** |
Cutubea
| Mart. | Nov. Gen. Sp. Pl. 2: 112, t. 185 | 1827 |
| Gentianaceae | ** |
Cutubea
| J. St.-Hil. | Expos. Fam. Nat. 1: 322 | 1805 |
| Gentianaceae | |
Cyrtophyllum
| Reinw. | Syll. Pl. Nov. 2: 8 | 1828 [1825] |
| Gentianaceae | |
Dasistepha
| Raf. | Fl. Tellur. 3: 19 | 1836 [1837] |
| Gentianaceae | |
Dasystephana
| Adans. | Fam. Pl. 2: 502 | 1763 |
| Gentianaceae | |
Deianira
| Cham. & Schltdl. | Linnaea 1: 195 | 1826 |
| Gentianaceae | |
Denckea
| Raf. | Med. Repos. 5: 352 | 1808 |
| Gentianaceae | |
Dicardiotis
| Raf. | Fl. Tellur. 3: 31 | 1836 [1937] |
| Gentianaceae | |
Diploma
| Raf. | Fl. Tellur. 3: 19 | 1836 [1837] |
| Gentianaceae | |
Disadena
| Miq. | Stirp. Surinam. Select. 150 | 1850 [1851] |
| Gentianaceae | |
Disinstylis
| Raf. | Fl. Tellur. 3: 31 | 1836 [1837] |
| Gentianaceae | |
Djaloniella
| P. Taylor | Taxon 12: 294 | 1963 |
| Gentianaceae | |
Duplipetala
| Thiv | Blumea 48(1): 25 | 2003 |
| Gentianaceae | |
Dupratzia
| Raf. | Fl. Ludov. 54–55 | 1817 |
| Gentianaceae | |
Endotriche
| (Froel.) Steud. | Nomencl. Bot. 298 | 1821 |
| Gentianaceae | ! |
Enicostema
| Blume | Bijdr. Fl. Ned. Ind. (14): 848 | 1826 |
| Gentianaceae | ** |
Enicostemma
| Steud. | Nomencl. Bot. (ed. 2) 1: 555 | |
| Gentianaceae | |
Eophylon
| A. Gray | J. Linn. Soc., Bot. 11: 22 | 1871 |
| Gentianaceae | |
Ericala
| Gray | Nat. Arr. Brit. Pl. 2: 335 | 1821 [1821] |
| Gentianaceae | |
Ericoila
| Borkh. | Arch. Bot. (Leipzig) 1(1): 26 | 1796 |
| Gentianaceae | |
Erithraea
| Schur | Verh. Mitth. Siebenbu%rg. Vereins Naturwiss. Hermannstadt 4: 50 | 1853 |
| Gentianaceae | |
Erythalia
| Gray | Nat. Arr. Brit. Pl. 2: 334, 336 | 1821 |
| Gentianaceae | * |
Erythraea
| Borkh. | Arch. Bot. (Leipzig) 1(1): 30 | 1796 |
| Gentianaceae | |
Eudoxia
| G. Don | Gen. Hist. 4: 174, 202 | 1837 |
| Gentianaceae | |
Eupodia
| Raf. | Fl. Tellur. 3: 29 | 1836 [1837] |
| Gentianaceae | |
Eurythalia
| D. Don | Trans. Linn. Soc. London 17: 515 | 1837 [1837] |
| Gentianaceae | |
Eustoma
| Salisb. | Parad. Lond. 1: pl. 34 | 1805 [1806] |
| Gentianaceae | |
Evalthe
| Raf. | Fl. Tellur. 3: 77 | 1836 [1837] |
| Gentianaceae | |
Exacon
| Adans. | Fam. Pl. 2: 503 | 1763 |