Tyrol knapweed (Centaurea nigrescens Willd.)
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↑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.
↑Links & External Resources
• Centaurea nigrescens (Tyrol knapweed) | USDA PLANTS Database (About This Site)
• Centaurea nigrescens | Go Botany (About This Site)
• Centaurea nigrescens (alpine knapweed) | CABI Invasive Species Compendium (About This Site)
• Centaurea nigrescens | Biota of North America Project (BONAP) (About This Site)
• Centaurea nigrescens | NatureServe Explorer (About This Site)
• Centaurea nigrescens | Flora of North America (About This Site)
• Tyrol Knapweed | Maryland Biodiversity Project (About This Site)
• Centaurea nigrescens (Alpine Knapweed) | Minnesota Wildflowers (About This Site)
• Centaurea nigrescens Willd. (Tyrol Knapweed) | Digital Atlas of the Virginia Flora (About This Site)
