| common St. Johnswort | USDA PLANTS Symbol: HYPE U.S. Nativity: Exotic Habit: Herb |
| Hypericum perforatum L. | |
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Taxonomic Rank: Magnoliopsida: Theales: Clusiaceae |
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| Synonym(s): Klamathweed, St. John's wort | |
| Native Range: Europe (BAIL); |
| U.S. State(s) where reported invasive: |
| U.S. National Parks where reported invasive: |
| Glacier National Park (Montana) Yellowstone National Park (Wyoming) |










