12 November 2010.
Louisiana, United States
Locality: Southwest corner of Lake Ramsey Road and Beverly Drive, west of Highway 25, northwest of Covington, St. Tammany County.
Coordinates: 30.5311, -90.1491
(Map it)
Elevation: 13m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Corner and roadside ditch.
Number of plants sampled: 60
Comment: Population of 100.
Collector(s):