Adenolisianthus Aripuana Bartonia Blackstonia Canscora Centaurium Coutoubea Djaloniella Enicostema Eustoma Exaculum Exochaenium Fagraea Faroa Frasera Geniostemon Gentiana Gentianopsis Helia Hockinia Hoppea Ixanthus Karina Lehmanniella Lisianthius Lomatogonium Macrocarpaea Megacodon Metagentiana Microrphium Neblinantha Ornichia Orphium Phyllocyclus Potalia Pycnosphaera Roraimaea Schenkia Sipapoantha Swertia Symbolanthus Symphyllophyton Tachiadenus Tapeinostemon Tetrapollinia Tripterospermum Voyria Zonanthus Limahlania Sinogentiana Anthocleista Chorisepalum Cracosna Bisgoeppertia Calolisianthus Celiantha Chelonanthus Chironia Cicendia Comastoma Congolanthus Crawfurdia Curtia Cyrtophyllum Deianira Duplipetala Exacum Gentianella Gentianothamnus Gyrandra Halenia Irlbachia Jaeschkea Klackenbergia Lagenanthus Lagenias Latouchea Lomatogoniopsis Neurotheca Obolaria Oreonesion Picrophloeus Prepusa Pterygocalyx Purdieanthus Rogersonanthus Sabatia Saccifolium Schinziella Schultesia Sebaea Senaea Tachia Urogentias Utania Veratrilla Voyriella Xestaea Yanomamua Zeltnera Zygostigma Kuepferia Sinoswertia
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024