]> GH barcode-02121983 United States of America Arizona Dos Cabezas Mts., Boulder Canyon; ca. 1 mi. W of town of Dos Cabezas along Hwy 186, then 1 mi. N to Stonymouthed Canyon.; T14S R27E Sec19 Penstemon pseudospectabilis M. E. Jones M. E. Jones 2022-04-06 12:44:39 L. A. McGill