Locality:
United States, Wisconsin, Parfrey's Glen (3 miles north of Merrimac)
43.416703 -89.630597 +-969m.
Habitat:
(This locality is a narrow, deeply incised gorge through Cambrian sandstone and Baraboo quartzite conglomerate. The gorge has a small stream and is constantly cool and moist and shaded, with Aconitum noveboracense, Pinus strobus, Betula lutea. Surrounding uplands with woods of Quercus alba, Q. rubra
Occurrence Remarks:
(Additional notes by M. Nee, 1977)