Alpine gentian 
American Columbo 
Arctic Gentian 
Autumn Gentian 
Bicolor Persian violet 
Bladder Gentian 
Bottle gentian 
Bottle Gentian 
Bulgarian gentian 
Burser's Gentian 
California Centaury 
Canscora diffusa 
Canscora perfoliata 
Centaurium maritimum 
Centaurium portense 
Common Centaury 
Enicostema axillare 
Exacum paucisquamum 
Felwort 
Field Gentian 
Fringed Gentian 
Gentiana calycosa 
Gentiana clusii 
Gentiana depressa