North American Warm Desert Bedrock Cliff and Outcrop

Nature Serve ID: CES302.745


This system is well-developed on massive Cretaceous and Permian limestones, but also occupies igneous and sandstone formations.


Rock faces with slopes greater than 80%.


Very little to no soil development.

Parent Description

This sparsely vegetated system occupies steep rock faces of the massive limestones and other substrates of the region. Some of these cliffs may be 100's of feet tall. Vegetation is typically restricted to crevices, although crustose lichens may be well-represented.

Ecological Mapping Systems