13 November 2010.
Louisiana, United States
Locality: Southeast corner of August St and 4th St in Brownsvillage, outside eastern fenced perimeter of Camp Villere (Louisiana Natl Guard Base), west of Hwy 11, northeast of Slidell, St. Tammany County.
Coordinates: 30.3195, -89.7960
(Map it)
Elevation: 22m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside in ditch.
Number of plants sampled: 25
Comment: Isolated population of approximately 40.
Collector(s):