| 1 | Polygala | cruciata var. cruciata | Cross-leaved Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 2 | Polygala | curtissii | Curtis's Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 3 | Polygala | incarnata | Pink Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 4 | Polygala | lutea | Orange Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 5 | Polygala | mariana | Maryland Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 6 | Polygala | nuttallii | Nuttall's Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 7 | Polygala | polygama | Racemed Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 8 | Polygala | sanguinea | Purple Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |
| 9 | Polygala | senega var. latifolia | Seneca Snakeroot (latifolia) | Milkwort Family | Polygalaceae | Magnoliopsida |
| 10 | Polygala | senega var. senega | Seneca Snakeroot (senega) | Milkwort Family | Polygalaceae | Magnoliopsida |
| 11 | Polygala | senega | Seneca Snakeroot | Milkwort Family | Polygalaceae | Magnoliopsida |
| 12 | Polygala | verticillata | Whorled Milkwort | Milkwort Family | Polygalaceae | Magnoliopsida |