B=Buchanan
D=Dickenson
R=Russell
T=Tazewell
Kingdom Plantae: Division Tracheophyta : Subdivison Spermatophytina: Class Pinopsida
Sources:
Virginia Botanical Associates. (2014). Digital Atlas of the Virginia Flora (http://www.vaplantatlas.org). c/o Virginia Botanical Associates, Blacksburg.
Local photo documented observations.