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Verbena lasiostachys var. scabrida
Verbena lasiostachys var. scabrida
common vervain
Verbena
- Verbena lasiostachys var. scabrida is a weedy perennial herb 2 to 3 feet tall
- Aggressive in gardens but a good plant for erosion control
- Covered with small blue or purple flowers
- Useful to native insects
- Found in Bay Hills, Diablo, Hamilton, Altamont and Livermore sections
