]> ECON barcode-01875391 Mexico Chihuahua Mnpo. de Batopilas. Barranca de Batopilas, near junction of Arroyo Samachique (Huimivo) with Rio Batopilas Mammillaria grahamii Engelmann Engelmann 2019-02-26 20:52:39 R. A. Bye Jr.