United States, Illinois, Champaign, Urbana. Boneyard Creek between Matthews Street and Griggs Street. Collected for independent study for University of Illinois class IB 490.
40.111473 -88.226479
229 meters
750
East section, north bank. Growing in mud bank near shore along with Glechoma hederacea, hemlock, Rumex crispus, Stellaria sp. Height 150 centimeters.