12 March 2018.
Oklahoma, United States
Locality: Private property approximately 4.8 miles southeast of Mulhall, north side of Cimarron River, T18N R2W SW 1/4 SW 1/4 NE 1/4 Sec. 36, Logan County.
Coordinates: 35.9931, -97.3620
(Map it)
Elevation: 287m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: High knoll, sandy soils.
Number of plants sampled: 8
Associated species: Rudbeckia sp., Juniperus virginiana, Sideroxylon lanuginosum, Gymnocladus dioicus, Juglans nigra, Tradescantia sp., Oputnia sp., and Celtis sp.
Aspect: South;
Slope: 10
Comment: Sampled a 15 x 15 yard area. Plants 14" tall.
Collector(s): - Carstens, Jeffrey D., USDA, ARS, NCRPIS
- Hopkins, Cole D., Iowa State University
- Ouellette, Nickolis, USDA, ARS
- Schmitz, Andrew, The Brenton Arboretum