USA, Illinois, Iroquois, Iroquois County State Conservation Area. Kankakee Sand Area of the Grand Prairie Natural Division. UTM 16, 454054mE, 4537611mN; Donovan 7.5 minute quadrangle. Elevation 655 feet. East portion of Conservation Area.
Growing in Quercus palustris dominated sand flatwoods. Growing with Sassafras albidum, Rubus hispidus, Aronia, Carex swannii, Vaccinium angustifolium, etc.