| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Gentianaceae | Eustoma exaltatum | Prairie-gentian, West Indian Bluebell, Alkali Chalice | Alkaline prairies, saline coastal areas. | AL and peninsular FL west to s. CA, south to Mexico and Belize; West Indies. |  |
| Gentianaceae | Eustoma russellianum | Russell's Prairie-gentian, Texas Bluebell, Lira de San Pedro | Moist meadows and prairies. | SD and WY south to e. and w. LA, TX, NM, and Mexico (CHH, COA, TAM). |  |