[Wikipedia] Food Source: The basal leaves can be eaten raw or cooked.[2] Native Americans ate the roots, which are best cooked,[3] and are said to taste like oysters.[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).