yellow thistle (Cirsium horridulum Michx.)
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↑Range - Expand
| Legend | Color |
| Native | |
| Native or Not Present | |
| Native or Expanded | |
| Expanded 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.
↑Links & External Resources
• Cirsium horridulum (yellow thistle) | USDA PLANTS Database (About This Site)
• Cirsium horridulum | Go Botany (About This Site)
• Bristle Thistle | iNaturalist (About This Site)
• Cirsium horridulum | Biota of North America Project (BONAP) (About This Site)
• Cirsium horridulum | NatureServe Explorer (About This Site)
• Cirsium horridulum | Flora of North America (About This Site)
• Yellow Thistle | Maryland Biodiversity Project (About This Site)
• Cirsium horridulum Michx. var. horridulum (Yellow Thistle, Common Yellow Thistle) | Digital Atlas of the Virginia Flora (About This Site)
