Grand Staircase-Escalante National Monument, Utah, USA; Calf Creek Falls, spray-dampened sandstone wall 10 meters from cascade, vertical face of wall, in full sunlight.
Grand Staircase-Escalante National Monument, Utah, USA; Calf Creek Falls, spray-dampened sandstone wall 10 meters from cascade, vertical face of wall, in full sunlight.
Joshua Tree National Park, CA, USA. Wonderland of Rocks, Torr landscape with granitic, sandy-gravelly soil; well-developed biological soil crust with algae, lichens, and mosses.
Mojave Desert National Preserve, CA, USA. Clark Mountain wilderness, bar landform with dolomitic, sandy-gravelly soil; well-developed biological soil crust with algae, lichens, and mosses.
Mojave Desert National Preserve, CA, USA. Clark Mountain wilderness, bar landform with dolomitic, sandy-gravelly soil; well-developed biological soil crust with algae, lichens, and mosses.