common St. Johnswort (Hypericum perforatum L.)
↑Range - Expand
| Legend | Color |
| Introduced | |
| Introduced or Not Present |
This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.
↑Links & External Resources
• Common St. Johnswort | Fire Effects Information System (FEIS) (About This Site)
• Hypericum perforatum (Common St. John's Wort) | Illinois Wildflowers (About This Site)
• Hypericum perforatum (common St. Johnswort) | USDA PLANTS Database (About This Site)
• Hypericum perforatum | Go Botany (About This Site)
• Hypericum perforatum (Common St. John's Wort) | Missouri Botanical Garden Plant Finder (About This Site)
• Hypericum perforatum (St John's wort) | CABI Invasive Species Compendium (About This Site)
• Hypericum perforatum | Biota of North America Project (BONAP) (About This Site)
• Hypericum perforatum | NatureServe Explorer (About This Site)
• Hypericum perforatum | Flora of North America (About This Site)
• Hypericum perforatum | Missouri Plants (About This Site)
• Common St. Johnswort | Maryland Biodiversity Project (About This Site)
• Hypericum perforatum (Common St. Johnswort) | Minnesota Wildflowers (About This Site)
