Amaranthus watsonii is an annual herb that is native to California, and also found elsewhere in western North America.California Rare Plant Rank: 4.3 (limited distribution).
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: 11/27/2024).