]> GH barcode-01995842 United States of America Michigan beach of Lake Huron SE. of the Black Mallard River, 1.0 mile south of Grace, Sec. 1, T36N, R2E Lithospermum caroliniense (J. F. Gmelin) MacMillan (J. F. Gmelin) MacMillan 2021-02-03 10:21:57 E. G. Voss, C. B. Hellquist & R. R. Haynes