24 September 2012.
Nebraska, United States
Locality: Near the creek at a sandy floodplain, just northeast of the "Derr House", approximately 5.5 miles southeast of Wood River, within 1 mile south of the South Platte River, Hall County.
Coordinates: 40.7360, -98.5769
(Map it)
Elevation: 598m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Two sites within 0.5 mile of each other: the first recently tree-cleared, sandy and the second a restored sand mining pit.
Comment: Land owned by The Nature Conservancy. Approximately 90 plants collected.
Collector(s):