20 September 2007.
Texas, United States
Locality: North side of old Route 66 (exists as frontage road on north side of Interstate 40), between the road and railroad, 11 miles west of junction with Highway 385, Vega.
Coordinates: 35.2725, -102.6333
(Map it)
Elevation: 1240m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Silty clay soil. Associated with mostly grasses and scattered Helianthus annuus as small plants and large clumps.
Number of plants sampled: 300
Comment: Population size very large; >1000 plants scattered over ~2 miles; well past flowering, stems and leaves green, heads and peduncles dark and dried.
Collector(s):