]> GH barcode-01993344 United States of America Arizona overlooking Colorado River floodplain, 0.3 mi. N of G st. and 1.3 mi. E of . Hwy. 95 ca. 0.5 mi. N. of Mexican border in San Luis. Gadsden 7.5' Heliotropium convolvulaceum var. californicum (Greene) I. M. Johnston (Greene) I. M. Johnston 2019-09-03 16:12:29 T. F. Daniel & M. L. Butterwick