Kastovskya sp.

Joshua Tree National Park, CA, USA. Colorado Desert. Lower alluvial fan with plants, and algal crusts (some darkened). Pinto Basin.

Joshua Tree National Park, CA, USA. Colorado Desert. Lower alluvial fan with plants, and algal crusts (some darkened). Pinto Basin.

Clark Mountains Wilderness, MDNP, California. Sandy soil loacking well developed crusts, with plants, disturbed by small burrowing animals. Clark Mountains, Mojave, CA

Clark Mountains Wilderness, MDNP, California. Sandy soil loacking well developed crusts, with plants, disturbed by small burrowing animals. Clark Mountains, Mojave, CA

Clark Mountains Wilderness, MDNP, California. Clark Mountains, CA. Desert pavement landform. Barren, plant cover <1%. Surface with high density and cover of gravel and rocks. Silty soil. Clark Mountains, Mojave, CA

Clark Mountains Wilderness, MDNP, California. Sandy soil in rock crevices, well developed crusts with bryophytes, lichens, algae. Plants present. Parent material: dolomite limestone. East of Kinston Rd. Bar landform on fanskirt.