| Family | : Marsileaceae |
| Genus | : Marsilea |
| Species | : quadrifolia |
| Author | : L. |
| Local Name | : Gurni shak |
| Location | : Kuakata, Kalapara, Patuakhali, Bangladesh. |
| Latitude: ° ' " N; Longitude: ° ' " E | |
| Accesssion No. | : 60091 |
| Collector | : Dr. M. Sultana, |
| Collection Date | : 30-11--0001 |
| Note | : An aquatic herb. |
