Chenopodium littoreum is an annual herb that is native to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Characteristics: Several characteristics separate this plant from any other Chenopodium. Specimens of the plant have been long mistaken for introductions of Chenopodium carnosulum, a South American species.[2] Studies indicate it is different in a number of characteristics and it was described as a new species in 2010.[2] (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).