[Wikipedia] Edible Fruit: It is commonly cultivated in eastern Australia and elsewhere. Well known as an edible wild fruit with a pleasantly sour apple-like flavour, it is eaten fresh or cooked into jams. (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).