Adenolisianthus (1)
Anthocleista (18)
Aripuana (1)   (1)
Bartonia (screwstems) (4)
Bisgoeppertia (3)
Blackstonia (4)
Calolisianthus (7)
Canscora (13)
Canscorinella (3)
Celiantha (3)
Centaurium (centaury) (41)
Chelonanthus (13)
Chironia (33)
Chorisepalum (5)
Cicendia (cicendia) (1)
Comastoma (20)
Congolanthus (1)
Coutoubea (5)
Cracosna (3)
Crawfurdia (23)
Curtia (8)
Cyrtophyllum (6)
Deianira (8)
Djaloniella (2)
Duplipetala (2)
Enicostema (whitehead) (4)
Erythraea (5)
Eustoma (prairie gentian) (1)
Exaculum (1)
Exacum (79)   (18)
Exochaenium (23)
Fagraea (60)   (3)
Faroa (20)   (1)
Frasera (green gentian) (15)
Geniostemon (4)
Gentiana (gentian) (445)   (1)
Gentianaceaeformis (1)
Gentianella (dwarf gentian) (321)   (13)
Gentianopsis (fringed gentian) (21)
Gentianothamnus (1)
Gyrandra (6)
Halenia (spurred gentian) (68)   (1)
Helia (2)
Henricea (1)
Hockinia (1)
Hoppea (2)
Irlbachia (10)
Ixanthus (1)
Jaeschkea (4)
Karina (1)
Klackenbergia (2)   (1)
Kuepferia (14)
Latouchea (1)
Lehmaniella (1)
Lehmanniella (5)
Limahlania (1)
Lisianthius (33)
Lisianthus (33)
Lomatogoniopsis (4)
Lomatogonium (lomatogonium) (27)
Macrocarpaea (126)   (3)
Megacodon (3)
Metagentiana (12)
Microcala (1)
Microrphium (1)
Neblinantha (2)
Neurotheca (5)
Obolaria (obolaria) (1)
Oreonesion (1)
Ornichia (3)
Orphium (3)
Phyllocyclus (5)
Picrophloeus (4)
Potalia (9)
Prepusa (6)
Pterygocalyx (1)
Pycnosphaera (1)
Rogersonanthus (2)
Roraimaea (2)
Sabatia (rose gentian) (22)
Saccifolium (2)
Schenkia (6)   (1)
Schinziella (1)
Schultesia (wingcup) (18)
Sebaea (61)
Senaea (3)
Sinogentiana (2)
Sipapoantha (2)
Swertia (felworts) (190)
Symbolanthus (34)
Symphyllophyton (7)
Tachia (14)
Tachiadenus (12)   (3)
Tapeinostemon (8)
Tetrapollinia (1)
Tripterospermum (39)
Urogentias (1)
Utania (12)
Veratrilla (1)
Villarsites (1)
Voyria (ghostplant) (24)
Voyriella (1)
Voyrioseminites (1)
Yanomamua (1)
Zeltnera (29)
Zonanthus (1)
Zygostigma (1)

(...) = Species count
(...) = Endangered count
(...) = Invasive count