https://gobotany-dev.herokuapp.com/species/verbena/urticifolia/
Verbena urticifolia (white vervain): Go Botany
verbena urticifoliawhite vervainbotany
https://newyork.plantatlas.usf.edu/plant.aspx?id=3066
Verbena bracteata × V. urticifolia = V. ×perriana - Species Page - NYFA: New York Flora Atlas
The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated...
verbena bracteatanew yorkspeciesnyfaflora