feather-head knapweed (Centaurea trichocephala M. Bieb. ex Willd.)
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↑Range - Expand
| Legend | Color |
| Introduced but Eliminated |
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.
