]> GH barcode-02122817 United States of America Colorado 20 miles west of Del Norte, along the south fork of the Rio Grande. Penstemon strictus subsp. strictiformis (Rydberg) D. D. Keck (Rydberg) D. D. Keck 2022-04-25 13:05:33 Ced. L. Porter & M. W. Porter