Quercus: the classical Latin name for the oak from Roman times, interestingly no certain derivation for the name, possibly from the Celtic quer, "fine," and cuez, "tree."
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 11/21/2024).