17 September 1994.
South Dakota, United States
Locality: Cascade Springs at J.H. Keith Memorial Picnic Area, SE 1/4 of SW 1/4 of Section 20, T8S, R5E, Fall River County.
Coordinates: 43.3333, -103.5500
(Map it)
Elevation: 1045m.
Environment description: Growing in trees along stream
Number of plants sampled: 6
Associated species: Acer negundo, Toxicodendron radicans, Vitis, and Fraxinus.
Collector(s):