Coahuila, Mexico / Maderas del Carmen Natural Preserve. Prickly Pear Cactus, Opuntia engelmannii, amid grasslands with sunset over distant ridges in Texas, USA. 1204H6

Coahuila, Mexico / Maderas del Carmen Natural Preserve. Soaptree Yucca, Yucca elata, in morning fog. Sierra Carmen. 1204H2

Coahuila, Mexico / Maderas del Carmen Natural Preserve. Sotol, Dasylirion leiophyllum, and Prickly Pear cactus, Opuntia engelmannii, and sunset light on Sierra Carmen, 1204H9