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Curlycup Gumweed (Grindelia squarrosa (Pursh) Dunal)

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Range - Expand

Native or Not Present
Native or Expanded
Expanded 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 small weedy plant is not usually intentionally planted; it spreads along roadsides in particular, and has expanded its range greatly eastward, particularly in the northern portion of the US and into Canada.