Noteworthy collections: West Virginia.

Vanderhorst, J. P., Streets, B. P., Byers, E. A., Short, G., Faulkner, P. L., Bartgis, R., (2019). Castanea 84(1), 13-23. Southern Appalachian Botanical Society, Newberry, USA. English language

Rare plants of Canaan Valley, West Virginia.

Bartgis, R. L., Byers, E. A., Fortney, R. H., Grafton, W., Berdine, M. A., (2015). Southeastern Naturalist 14(Special Issue 7), 158-186. Humboldt Field Research Institute, Steuben, USA. English language