[swcoloradowildflowers.com] Etymology: In 1834 "On the plains of the Oregon and in the Rocky Mountains", Thomas Nuttall was the first to collect this plant for science. He named and described the plant in 1848. "Cernu" is Latin for "nodding". (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: 03/31/2025).
