Big River State Forest

49547

Big River State Forest
Highway 164
Keithsburg, IL 61442
309-374-2496
https://www.dnr.illinois.gov/Parks/Pages/BigRiver.aspx
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A remnant of a vast prairie woodland border area that once covered much of Illinois. Among its vegetation are two endangered plants – penstemon, commonly known as bearded tongue, and Patterson’s bindweed, which N.H. Patterson documented in the forest in 1873 for the first time anywhere.

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