| Family | : Bolbtidiaceae |
| Genus | : Bolbilis |
| Species | : costata |
| Author | : |
| Location | : Ruma range, Ruma, Bandarban, Bangladesh. |
| Latitude: ° ' " N; Longitude: ° ' " E | |
| Accesssion No. | : 47162 |
| Collector | : Khandakar Kamrul Islam |
| Collection Date | : 30-11--0001 |
| Note | : Herb; sorus black on whole lower leaf part; |
