Calflora, a 501c3 non-profit
Distribution by County   4933    
Lithospermum arvense  L.
Gromwell
Lithospermum arvense is an annual herb that is not native to California.
Record Count by County

Lassen: 6 Modoc: 1 Sierra: 1
Madera: 2 Shasta: 5 Siskiyou: 2

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/18/2024).