[Wikipedia] Taxonomy: It was first published as Trifolium indicum by Carl Linnaeus in his 1753 Species plantarum. It was transferred into Melilotus by Carlo Allioni in 1785. (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).