19 September 1975.
Smyth County, Virginia, United States
Locality: Adjacent to County Road 601, 1.4 mi. south of Sugar Grove, rocky bottom along Cressy Creek.
Elevation: 817m.
Habitat: Wild Habitat
Number of plants sampled: 4
Comment: Four seedlings collected.
Collector(s):
2016.
District of Columbia, United States
Locality: U.S. National Arboretum grounds.
Habitat: Research station or other ex situ site
Comment: Seeds collected from plants cultivated under NA 37939 (originally collected directly from the wild).