04 September 2015.
Iowa, United States
Locality: Private property approximately 1.5 miles northwest of Lawler. T96N R11W SW 1/4 SW 1/4 Sec. 32 Chickasaw County.
Coordinates: 43.0834, -92.1779
(Map it)
Elevation: 349m.
Georeference protocol: Lat/lon determined by GPS
Environment description: High-quality remnant wetland/fen. Growing in Plams muck soils in association with Salix spp., Cornus racemosa, Oncolea sensibilis, Spiraea alba, Gentiana spp., Carex spp., Populus tremuloides, and Ambrosia trifida. Noted four specimens likely B. x sandbergii that were approximately 30-35' in height.
Number of plants sampled: 150
Collector(s): - Aviles, Alex, USDA, ARS
- Carstens, Jeffrey D., USDA, ARS, NCRPIS
- Hopkins, Cole, USDA, ARS, NCRPIS