[Wikipedia] Etymology: The species name muralis comes from the Latin "mūrālis" for walls and relating to them, from its habit of growing on them. (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: 04/15/2025).
