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Purple Giant Hyssop (Agastache scrophulariifolia (Willd.) Kuntze)

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A perennial herb with a fairly wide distribution across eastern North America, but scattered and locally endangered in much of its range; extirpated from some of its former range.

Range - Expand

Native or Not Present
Introduced 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.