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Fourpoint Evening Primrose (Oenothera rhombipetala Nutt. ex Torr. & A. Gray)

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Range - Expand

Native or Not Present
Native or 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.

BONAP reports this species as adventive in Wisconsin, but most other sources note it native. We marked it as expanded because this region is contiguous with its native range. However we note that it is uncommon and scattered in this part of its range.