| 1 | Hypericum | adpressum | Creeping St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 2 | Hypericum | androsaemum | Tutsan | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 3 | Hypericum | boreale | Northern St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 4 | Hypericum | canadense | Lesser Canadian St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 5 | Hypericum | crux-andreae | St. Peterswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 6 | Hypericum | densiflorum | Bushy St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 7 | Hypericum | denticulatum var. denticulatum | Coppery St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 8 | Hypericum | drummondii | Drummond's St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 9 | Hypericum | ellipticum | Pale St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 10 | Hypericum | fraseri | Fraser's St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 11 | Hypericum | gentianoides | Orangegrass | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 12 | Hypericum | gymnanthum | Clasping-leaved St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 13 | Hypericum | hypericoides | St. Andrew's Cross | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 14 | Hypericum | mutilum | Dwarf St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 15 | Hypericum | perforatum | Common St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 16 | Hypericum | prolificum | Shrubby St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 17 | Hypericum | punctatum | Spotted St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 18 | Hypericum | stragulum | Low St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 19 | Hypericum | virgatum | Sharp-leaved St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 20 | Hypericum | virginicum | Virginia Marsh St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |
| 21 | Hypericum | walteri | Greater Marsh St. Johnswort | St. Johnswort Family | Hypericaceae | Magnoliopsida |