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Johnsongrass (Sorghum halepense (L.) Pers.)

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Photo © CK Kelly, CC BY 4.0.


A perennial warm-season grass common across most of North America, considered invasive in the warmer parts of the continent.

Range - Expand

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.

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Photo © CK Kelly, CC BY 4.0.
Photo © CK Kelly, CC BY 4.0.
Photo © Matt Berger, CC BY 4.0.
Photo © Environmentalista, CC BY 4.0.
Photo © stephen, CC BY 4.0.
Photo © Sam Kieschnick, CC BY 4.0.
Photo © Austin R. Kelly, CC BY 4.0.