02 October 2015.
Iowa, United States
Locality: Approximatley 4.25 miles northwest of Ames, T84N R25W SE 1/4 SE 1/4 SE 1/4 Sec. 25.
Coordinates: 42.0491, -93.7011
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside, rather wet. Shallow areas with standing water. Growing in association with Ambrosia trifida, Bromus inermis, Chamaecrista fasciculata, Juniperus virginiana, Prunella vulgaris, Carex molesta, Sorghastrum nutans, Cannabis sativa, Solidago, and Monarda fistulosa.
Number of plants sampled: 100
Comment: Sampled five areas within a square mile.
Collector(s):