19 September 2006.
Iowa, United States
Locality: 200 yards southwest of Whitetail parking lot, Don Williams County Park, near western border of park, SE 1/4 of NW 1/4 of SW 1/4 of Section 5, T84N, R27W, Yell Township, Boone County.
Coordinates: 42.1117, -94.0239
(Map it)
Elevation: 313m.
Environment description: Native prairie remnant. Afternoon sun. Moist-west mesic soil.
Associated species: Agrimonia gryposepala, Aster sericeus, Bouteloua curtipendula, Brickellia eupatorioides, Cacalia plantaginea, Helianthus grosseserratus, Liatris aspera, Lithospermum canescens, Lobelia siphilitica, Monarda fistulosa, Panicum virgatum, Potentilla arguta, Schizachyrium scoparium, Solidago rigida, and Sorghastrum nutans.
Comment: Population of 10-12.
Collector(s):