03 September 2016.
Iowa, United States
Locality: Hitaga Sand Ridge Preserve approximately 3.6 miles southeast of Troy Mills, T86N R7W NW 1/4 NW 1/4 Sec. 23 Linn County.
Coordinates: 42.2510, -91.6330
(Map it)
Elevation: 299m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Native prairie remnant, very dry and sandy.
Number of plants sampled: 60
Associated species: Asclepias verticillata, Artemesia ludoviciana, Achillea millefolium, Ambrosia psilostachya, Amorpha canescens, and Bouteloua hirsuta.
Comment: Mostly in seed with a few specimens late in flowering at time of collection.
Collector(s):