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Winged Lythrum (Lythrum alatum Pursh)

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Range - Expand

Native or Not Present
Native or Introduced
Native or Expanded
Native or 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.

This species is locally endangered in parts of its range, but it is also sometimes planted in gardens, and can escape. We mark the Montana population an introduction because of its relative isolation, and the Maine population an expansion because it is more contiguous to native populations.