[Wikipedia] Native Range: Q. palustris is mainly distributed in the eastern and central United States from Connecticut in the northeast, west to eastern Oklahoma and Kansas, and south to Georgia.[12] It is also native in the extreme south of Ontario, Canada. (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]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 11/21/2024).