harsh vervain
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Verbenaceae
- genus: Verbena
- species: Verbena scabra
- Centro Habana
- Cerro
- Havana
- La Habana Vieja
Havana
Cuba- Duvergé
Independencia
Dominican Republic- Dauphin Island
Alabama- Gulf Park Estates
Mississippi
United States