Giant Ironweed (Vernonia gigantea (Walter) Trel.)
Also known as tall ironweed.
Page contents
↑Range - Expand
| Legend | Color |
| Native | |
| Native 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
• Vernonia gigantea (Tall Ironweed) | Illinois Wildflowers (About This Site)
• Vernonia gigantea (giant ironweed) | USDA PLANTS Database (About This Site)
• Vernonia gigantea (Giant Ironweed) | Missouri Botanical Garden Plant Finder (About This Site)
• Vernonia gigantea | Biota of North America Project (BONAP) (About This Site)
• Vernonia gigantea | NatureServe Explorer (About This Site)
• Vernonia gigantea | Flora of North America (About This Site)
