[Wikipedia] Range, Habitat: Nemacladus rigidus is a species of flowering plant in the bellflower family known by the common name stoutstem threadplant. It is native to the Great Basin in the United States, where it grows in open areas, often on bare soil. (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: 04/03/2025).
