]> GH barcode-01626809 United States of America Michigan Pigeon River cove at south end of Mullett Lake. Sec. 9 T35N, R2W, Koehler Twp. Myriophyllum heterophyllum Michaux Michaux 2021-02-09 13:17:34 C. B. Hellquist & C. E. Hellquist