- Gentiana acuta
- Gentiana affinis, Pleated gentian
- Gentiana alba, Plain gentian
- Gentiana aleutica
- Gentiana algida, Whitish gentian
- Gentiana amarella
- Gentiana andrewsii, Closed bottle gentian
- Gentiana angusta
- Gentiana arctophila
- Gentiana arisanensis
- Gentiana asclepiadea, Willow Gentian
- Gentiana atkinsonii
- Gentiana auriculata
- Gentiana austromontana, Appalachian gentian
- Gentiana autumnalis, Pine Barren Gentian
- Gentiana baeuerlenii
- Gentiana barbata
- Gentiana bredboensis
- Gentiana calycosa, Rainier pleated gentian
- Gentiana catesbaei, Elliotts gentian
- Gentiana cherokeensis
- Gentiana clausa, Bottle gentian
- Gentiana clusii, Trumpet Gentian
- Gentiana cruciata, Cross Gentian
- Gentiana davidii
| - Gentiana decora, Showy gentian
- Gentiana detonsa
- Gentiana douglasiana, Swamp gentian
- Gentiana flavomaculata
- Gentiana fremontii, Moss gentian
- Gentiana glauca, Pale gentian
- Gentiana horaimontana
- Gentiana itzershanensis
- Gentiana kaohsiungensis
- Gentiana kaoi
- Gentiana linearis, Narrowleaf gentian
- Gentiana nesophila
- Gentiana newberryi, Alpine gentian
- Gentiana nivalis, Alpine Gentian
- Gentiana parryi, Parrys gentian
- Gentiana parvifolia
- Gentiana pennelliana, Wiregrass gentian
- Gentiana platypetala, Broadpetal gentian
- Gentiana plurisetosa, Bristly gentian
- Gentiana pneumonanthe, Marsh Gentian
- Gentiana procera
- Gentiana propinqua
- Gentiana prostrata, Pygmy gentian
- Gentiana puberulenta, Downy gentian
- Gentiana quinquefolia
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