| 1 | Bartonia | paniculata ssp. paniculata | Twining Screwstem | Gentian Family | Gentianaceae | Magnoliopsida |
| 2 | Bartonia | virginica | Yellow Screwstem | Gentian Family | Gentianaceae | Magnoliopsida |
| 3 | Centaurium | erythraea | European Centaury | Gentian Family | Gentianaceae | Magnoliopsida |
| 4 | Centaurium | pulchellum | Branched Centaury | Gentian Family | Gentianaceae | Magnoliopsida |
| 5 | Gentiana | andrewsii var. andrewsii | Fringe-tipped Closed Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 6 | Gentiana | catesbaei | Catesby's Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 7 | Gentiana | clausa | Bottle Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 8 | Gentiana | linearis | Narrow-leaved Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 9 | Gentiana | puberulenta | Downy Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 10 | Gentiana | saponaria | Soapwort Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 11 | Gentiana | villosa | Striped Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 12 | Gentianella | quinquefolia ssp. quinquefolia | Stiff Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 13 | Gentianopsis | crinita | Greater Fringed Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 14 | Obolaria | virginica | Virginia Pennywort | Gentian Family | Gentianaceae | Magnoliopsida |
| 15 | Sabatia | angularis | Rosepink | Gentian Family | Gentianaceae | Magnoliopsida |
| 16 | Sabatia | campanulata | Slender Rose Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 17 | Sabatia | difformis | Lance-leaved Rose Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 18 | Sabatia | dodecandra | Marsh Rose Gentian | Gentian Family | Gentianaceae | Magnoliopsida |
| 19 | Sabatia | stellaris | Seapink | Gentian Family | Gentianaceae | Magnoliopsida |
| 20 | Schenkia | spicata | Spiked Centaury | Gentian Family | Gentianaceae | Magnoliopsida |