| Polygonum hydropiperoides Michx. |
| Currently Accepted Name: | Polygonum hydropiperoides Michx. |
| Herbarium Name Used: | Polygonum hydropiperoides |
| Locality: | United States. Tennessee. Coffee: AEDC, Cow Pond, along the edge of Cow Pond |
| Description: | Specimen has a mature reproductive state, mature fruits or seeds, mature leaves, and roots present. Many throughout - low density at collection site. |
| Collector: | Douglas E. Kennemore, Jr.
with Mary J. Russo |