14 September 1989.
Tennessee, United States
Locality: On old railroad ballast with Cassia nictitans, Rubus argutus Rhus copallina, and Cirsium sp. Christian Camp, 1.25 mi S Hampton center, on old ET & WNCRR r.o.w., near Doe River Gorge, Elizabethton quad. Hampton city, in Carter Cty.
Coordinates: 36.2667, -82.1667
(Map it)
Elevation: 576m.
Comment: Population of 8 scattered plants.