[Wikipedia] Conservation, Habitat Loss: Having a sculptural form and picturesque qualities, this already uncommon cactus is threatened by plant collectors.[10] It is also losing habitat to clearing for new wind farms and solar power plants in the Mojave Desert and Colorado Desert. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/28/2025).