Calflora, a 501c3 non-profit
Distribution by County   308    
Ammi majus  L.
Bishop's weed,   Large bullwort
Ammi majus is an annual or biennial herb that is not native to California.

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 02/08/2023).