Locality: | United States. Kentucky. Madison: Fort Boonesborough State Park, southwest of junction of KY 627 and the Kentucky River. |
Habitat: | Sandy, open, upper beach along river and in ruderal areas. Associates on beach: Sorghum halepense, Mollugo verticillata, Rorippa spp., Diodia spp., Polygonum spp., Rhizomes to 0.5 m or more deep; locally abundant along river. |