18 August 2014.
Louisiana, United States
Locality: Along Elmer's Island Road, approximately 0.1 mile south of Highway 1, Grand Isle, Jefferson County.
Coordinates: 29.1938, -90.0749
(Map it)
Elevation: 10m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Mixed with Chenopodium album.
Comment: Numerous plants.
Collector(s):