| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Campanulaceae | Lobelia cardinalis var. cardinalis | Cardinal Flower | Streambanks, riverbanks, marshes, swamp forests. | NB, QC, ON, MN, CO, UT, and s. CA south to c. peninsular FL, TX, and south through Mexico and Central America to Colombia. |  |
| Campanulaceae | Lobelia cardinalis var. phyllostachya | Southwestern Cardinal-flower | Creek-banks, other moist situations. | W. MO, s. NE, s. CO, s. UT and c. CA south to SON, TAB, and Honduras. |  |