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Narrowleaf Vervain (Verbena simplex Lehm.)

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Range - Expand

LegendColor
Native
Native or Expanded
Native or Not Present
Expanded or Not Present
Expanded

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.

This plant thrives in disturbed habitats including roadsides and pastures; it is likely expanding due to humans creating more habitat for it. BONAP reports Nebraska's population as adventive but it is likely that it is expanding in other areas as well.