Calflora, a 501c3 non-profit
Distribution by County   8756    
Tuberous vervain
Verbena rigida is a perennial herb that is not native to California.
Record Count by County

Contra Costa: 1 Orange: 2 Yolo: 1
Marin: 1 Sacramento: 1

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/07/2026).