[Wikipedia] Bee & Butterfly Attractant: According to the Lady Bird Johnson Wildflower Center, eastern annual saltmarsh aster can be planted to attract butterflies and has value for native bees. (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).
