Bull Thistle (Cirsium vulgare (Savi) Ten.)
Also known as common thistle, spear thistle; also classified as Carduus vulgaris Savi.
↑Summary
A biennial native to Europe and invasive in most of North America.
↑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.
Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.
↑Similar Plants
↑Links & External Resources
• Bull Thistle | Fire Effects Information System (FEIS) (About This Site)
• Cirsium vulgare (Bull Thistle) | Illinois Wildflowers (About This Site)
• Cirsium vulgare (bull thistle) | USDA PLANTS Database (About This Site)
• Cirsium vulgare | Go Botany (About This Site)
• Cirsium vulgare (spear thistle) | CABI Invasive Species Compendium (About This Site)
• Cirsium vulgare | Biota of North America Project (BONAP) (About This Site)
• Cirsium vulgare | NatureServe Explorer (About This Site)
• Cirsium vulgare | Flora of North America (About This Site)
• Cirsium vulgare | Missouri Plants (About This Site)
• Bull Thistle | Maryland Biodiversity Project (About This Site)
• Cirsium vulgare (Savi) Ten. | Plants of the World Online (POWO) (About This Site)
• Cirsium vulgare (Bull Thistle) | Minnesota Wildflowers (About This Site)
• Cirsium vulgare (Savi) Ten. (Bull Thistle) | Digital Atlas of the Virginia Flora (About This Site)
↑Photo gallery
