30 July 2008.
Missouri, United States
Locality: West side of Meramec River, near 302 Morton Lane, Villa Ridge, Shaw Nature Preserve, SE 1/4 of NW 1/4 of Section 20, T43N, R2E, near Gray Summit, Gray Summit Quad, Franklin County.
Coordinates: 38.4553, -90.8239
(Map it)
Elevation: 183m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Limestone cliff. Full sun. 70% slope with western aspect.
Number of plants sampled: 4
Associated species: Amelanchier arborea, Diospyros virginiana, Fraxinus americana, Juglans nigra, Juniperus virginiana, and Quercus muehlenbergii.
Comment: Population size of 33; frequent abundance; uniform distribution.
Collector(s):