Locality: | United States. Kentucky. Madison: Berea College Forest, West Pinnacle (Barton Knob). 2.1 mi east of Berea on KY 21. |
Habitat: | Mixed mesophytic forest slope beneath conglomerate pinnacle; locally infrequent. Associates: Stylophorum diphyllum, Trillium erectum, Sanguinaria canadensis, Viola canadensis, Arisaema triphyllum, and Jeffersonia diphylla. |