20 May 2015.
Arkansas, United States
Locality: T16N R10W SW 1/4 Sec. 35 and SE 1/4 Sec. 34 and also T15N R10W S 1/2 Sec. 3 Izard County. Brandenburg Mountain area, along highway 9 between Allison and Melbourne.
Coordinates: 35.9936, -92.0287
(Map it)
Elevation: 170m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Rocky, very shallow soils. Growing on both north, southeast, and west-facing slopes in association with Quercus muehlenbergii, Quercus stellata, Juniperus virginiana, Cercis canadensis, Delphinium carolinianum, Echinacea sp., Fraxinus americana, and Yucca sp.
Number of plants sampled: 20
Comment: Numerous (1,000+) specimens scattered throughout area.
Collector(s):