06 July 2017.
Illinois, United States
Locality: Located off hwy 45 approximately 3 miles south of Vienna, Johnson County.
Coordinates: 37.3589, -88.8865
(Map it)
Elevation: 126m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: High-quality limestone glade, dry upland forest. Growing in association with Ceanothus americanus, Echinacea pallida, Monarda bradburiana, Silphium terebinthinaceum, Schizachyrium scoparium, Asclepias sp. (few), Zizia azurea, Quercus muehlenbergii, Cercis canadensis, Apocynum cannabinum, and Rubus alleghaniensis.
Number of plants sampled: 100
Aspect: Southwest;
Slope: 45
Collector(s):