Teknipp R.

Joshua Tree National Park, CA, USA. Mojave Desert. Sandy, gravelly soil from granitic outcrops, plants and well developed crust with algae, lichens, and mosses. Wonderland of Rocks.

Joshua Tree National Park, CA, USA. Mojave Desert. Sandy, gravelly soil from granitic outcrops, plants and well developed algal crusts. Wonderland of Rocks.

Joshua Tree National Park, CA, USA. Colorado Desert. Granitic gravel bajada. Sandy, gravelly soil, plants and well developed algal crusts. East of Coxcomb Mountains.

Joshua Tree National Park, CA, USA. Colorado Desert. Desert pavements with interspersed shrub zones, crusts and plants concentrated in the shrub zones. West of Grubstake Canyon Rd., North of Black Eagle Mine Rd.,

Fort Irwin expansion site TAA2, CA. Undisturbed desert. Fort Irwin Study site