]> GH barcode-00444135 Canada Ontario Grand Bend, Lake Huron: about 8 mi. southwest of the town on river road along old channel of Ausable River Acorus americanus (Rafinesque) Rafinesque (Rafinesque) Rafinesque 2018-11-13 14:13:55 J. H. Soper, R. P. Burcher & L. O. Gaiser