12 November 2010.
Louisiana, United States
Locality: Both sides of Horse Branch Road, north of Lake Ramsey Nature Conservancy Preserve parking area, approximately 1000 feet north of Penn Mill Road, southeast of Lake Ramsey, northwest of Covington, St. Tammany County.
Coordinates: 30.5120, -90.1638
(Map it)
Elevation: 15m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Both sides of road.
Number of plants sampled: 150
Comment: Scattered population of 400.
Collector(s):