WISCONSIN BOTANICAL INFORMATION SYSTEM
Wisconsin State Herbarium

Wisflora - Vascular Plant Species

University of  Wisconsin - Madison 

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Family: Verbenaceae
  Genus: Verbena

    Verbena hastata L.*+
        blue vervain, simpler's-joy, swamp verbena
             Verbena hastata L. f. albiflora Moldenke
             Verbena hastata L. f. rosea Cheney
             Verbena hastata L. var. hastata
             Verbena hastata L. var. scabra Moldenke

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