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Spiny Amaranth (Amaranthus spinosus L.)

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Range - Expand

Introduced or Not Present
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.

Although not native anywhere in the U.S., we have marked most of the North American population of this plant as expanded, because it has expanded contiguously with its native range in Mexico, excepting one isolated population in Montana.