31 August 2006.
Iowa, United States
Locality: 2505 Tullamore Lane, Ames, Story County.
Coordinates: 42.0884, -93.5787
(Map it)
Elevation: 317m.
Environment description: Garden; open pollinated. 0-10 degrees of slope.
Comment: Site #1. Private residence. ~15 plants. Seed originally collected from a native Iowa population (representing a white flower form) by Jimmie Dean Thompson.
Collector(s):