18 September 1979.
California, United States
Locality: Along Highway 78, 15 miles east of Brawley, Imperial County.
Coordinates: 32.9786, -115.5294
(Map it)
Georeference protocol: Lat/Lon determined from GIS
Environment description: Large swarm of plants near irrigation ditch.
Comment: Lat/lon accurate to Brawley.
Collector(s):