United States, Illinois, Winnebago, Along Page Spring run in forbland. Freeport Section of the Rock River Hill Country Natural Division of Illinois. Elevation about 750 feet. Winnebago 7.5 minute quadrangle. UTM 16, 323072mE, 4687052mN. In the north part of the Anna R. Page Forest Preserve, northwest part of Rockford.
T. 44N, R. 1E, SE1/4 SW1/4 SE1/4 SE1/4 NW1/4 Sect. 5
Growing at Page Spring, in forbland. Shrub about 10 feet tall, fruit dark purple.