Tamaulipas, Mexico / In the eastern extension of the Chihuahuan Desert, clusters of flowering Barrel Cacti, Ferocactus stainsii, with Yuccas, Yucca sp., & the Sierra Madre in background. 1003H3

Tamaulipas, Mexico / In the eastern extension of the Chihuahuan Desert, 2 Barrel cactus (Biznaga) Echinocactus grandis, with its design of spine edged segments. 204V6

Tamaulipas, Mexico / In the eastern extension of the Chihuahuan Desert, 2 Barrel cactus (Biznaga) Echinocactus grandis, with its design of spine edged segments. 204V6