[Wikipedia] Flower Info: Flower heads sometime appear one at a time, sometimes in groups of several, each head cream-colored or pale yellow-green, containing disc florets but no ray florets.[4] (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: 03/30/2025).
