Common Rush (Juncus effusus L.)

↑Range - Expand

Legend	Color
Native
Expanded
Native or Not Present
Introduced or Not Present
Native or Expanded
Expanded or Not Present
Native or Introduced or Not Present
Native or Expanded 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 has expanded adjacent to its native range in the northwest, but there are also some isolated populations from introduction in Colorado.