]> GH barcode-01600107 United States of America Michigan shore of Duncan Bay east of Butler Road ca. 2.0 miles east of Cheboygan, Sec. 34, T38N, R1W Mentha x piperita L. (pro sp.) L. (pro sp.) 2021-02-06 10:29:48 C. B. Hellquist & R. R. Haynes