[Wikipedia] Ecology: In the Mojave Desert, Astragalus didymocarpus is foraged on by desert tortoises (Gopherus agassizii) and is a significant part of their diet. (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: 03/31/2025).