| Family | : Potamogetonaceae |
| Genus | : Potamogeton |
| Species | : gramineus |
| Author | : L. |
| Local Name | : Bog-pondweed |
| Location | : Chepot-khali, Jaliapalong, Ukhia, Cox's Bazar, Bangladesh. |
| Latitude: 21° 07' 446" N; Longitude: 092° 07' 999" E | |
| Accesssion No. | : 66404 |
| Collector | : Niyamul Kabir, & Mehedi Hasa |
| Collection Date | : 13-03-2018 |
| Note | : Acuatic herb. Leaves greenish, Fruits greenish. kidney shape, Swamp area, Rare. |
