10 October 1998.
Iowa, United States
Locality: Along Highway 61 at turn to Montrose, Section 3, Montrose Township, T66N, R5W, Lee County.
Coordinates: 40.5200, -91.4500
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Road construction site.
Number of plants sampled: 30
Comment: Pop 61. Population of approximately 100. Mixed with Pop 62.
Collector(s):