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Longbranch Frostweed (Crocanthemum canadense (L.) Britton)

Also classified as Helianthemum canadense (L.) Michx..

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Range - Expand

Native 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 also found in Canada, contiguous with its range in the US, and in a discontiguous piece in Mexico.

Helianthemum canadense (longbranch frostweed) | USDA PLANTS Database (About This Site)

Crocanthemum canadense | Biota of North America Project (BONAP) (About This Site)