Vernonia gigantea
| Vernonia gigantea | |
|---|---|
| Tall ironweed near Cincinnati, Ohio | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Vernonia |
| Species: | V. gigantea |
| Binomial name | |
| Vernonia gigantea (Walter) Trel. | |
Vernonia gigantea (also known as giant ironweed, tall ironweed or ironweed) is a species of perennial plant from family Asteraceae found in United States and Canada. The plant is native to the eastern United States, north to New York state and Ontario, and southwest to Texas.