22 September 2006.
Iowa, United States
Locality: 300 yards south of Carl Fritz Henning Shelter House, 300 yards northeast of Lost Lake parking lot, Lower Ledges Road, Ledges State Park, NW 1/4 of NE 1/4 of SW 1/4 of Section 21, T83N, R26W, Worth Township, Boone County.
Coordinates: 41.9856, -93.8883
(Map it)
Elevation: 329m.
Environment description: Cleared woods for powerline right-of-way. Moist-wet mostly clay soil. Plants scattered over entire hilltops. Site approximately 250 yards by 30 feet.
Associated species: Acalypha rhomboide, Adiantum pedatum, Agastache nepetoides, Agrimonia pubescens, Arisaema triphyllum, Dichanthelium latifolium, Eupatorium rugosum, Liparis loeselii, Lobelia siphilitica, Pedicularis canadensis, and Symphoricarpos orbiculatus.
Comment: Population of 30-40 plants. Lat/lon for main population of plants.
Collector(s):