Locality: | United States. Kentucky. Clark: Abandoned limestone quarry- 0.9 mi. W of Jct. KY 1924 on KY 418 (Old Athens-Boonesboro Rd.)- and 0.2 mi. E of Lisletown (Halls on the River) adjacent to KY River. |
Habitat: | Edge of ponded area. Associates: Scirpus atrovirens- S. validus- Sagattaria austrialis- Juncus effusus- Mentha piperita- Lycopus americanus- Mimulus ringens- Lemna minor. |