| Myriophyllum heterophyllum Michx. |
| Currently Accepted Name: | Myriophyllum heterophyllum Michx. |
| Herbarium Name Used: | Myriophyllum heterophyllum |
| Locality: | United States. Tennessee. Cumberland: In shallow water of small pond or on its bank in the median of Interstate 40 near milepost 313.8, about 4 mi East of the Plateau Road exit. |
| Habitat: | in the shallow water of a small pond or on its bank |
| Collector: | Botany 4045 Field Trip Participants: W. Michael Dennis, Paula Nakosteen, T.A. Farmer, Jane Comiskey, Vernon McNeilus, Tom Patrick s.n. |