[Wikipedia] Monotypic, Disjunct Range: Comandra is a monotypic genus[3] containing the single species Comandra umbellata. The plant has a disjunct distribution;[3] its four subspecies occur in North America and the Mediterranean.[5] (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).