21 November 2011.
Alabama, United States
Locality: West side of La Salle Street, south of intersection with Lafayette Place, south of Bienville Boulevard, Dauphin Island, Mobile County.
Coordinates: 30.2522, -88.1113
(Map it)
Elevation: 2m.
Environment description: Roadside ditch. Sandy soil.
Comment: Population of approximately 100 plants.
Collector(s):