| Gentiana sedifolia Kunth, 1819 |
| Gentiana spathacea Kunth, 1819 |
| Gentiana superba Greene, 1888 |
| Gentianaceae Juss., 1789 |
| Gentianeae Dumort., 1829 |
| Gentianella Moench, 1794 |
| Gentianella amarella (L.) Börner, 1912 |
| Gentianella amarella subsp. acuta (Michx.) J.M. Gillett, 1957 |
| Gentianella amarella subsp. hartwegii (Benth.) J.M. Gillett, 1957 |
| Gentianella amarella subsp. mexicana (Griseb.) J.M. Gillett, 1957 |
| Gentianella canosoi G.L. Nesom & B.L. Turner, 1990 |
| Gentianella heterosepala (Engelm.) Holub, 1967 |
| Gentianella mexicana (Griseb.) Holub, 1967 |
| Gentianella microcalyx (Lemmon) J.M. Gillett, 1957 |
| Gentianella sandiana (Gillett) G.L. Nesom, 1991 |
| Gentianella tarahumarae G.L. Nesom, 1991 |
| Gentianella wislizeni (Engelm.) J.M. Gillett, 1957 |
| Gentianella wrightii (A. Gray) Holub, 1967 |
| Gentianopsis Ma, 1951 |
| Gentianopsis detonsa (Rottb.) Ma, 1951 |