| Currently Accepted Name: | Alisma subcordatum Species Raf. |
| Locality: | United States. Tennessee. Hawkins: Holston Army Ammunition Plant; |
| Habitat: | several large clumps in large wetland complex dominated by Hibiscus moscheutos, Carex louisianica, Glyceria septentrionalis, Leersia oryzoides; ~ 1 mi Se of main gate, 1/2 mi N of Holston R., and 1/2 mi W of RR bridge over Holston R. |
| Collector: | Frosty Levy, Elaine Walker 19532 |