20 September 1979.
California, United States
Locality: Along Highway 43, about 5 miles south of Hanford, Kings County.
Coordinates: 36.3317, -119.6467
(Map it)
Georeference protocol: Lat/Lon determined via Map location
Comment: Population a mixture of H. annuus and H. bolanderi. Lat/lon accurate to city level.
Collector(s):