| Name | Hypnum sumatranum Bosch & Sande Lacoste |
| Authorship | Bosch & Sande Lacoste |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypnum Hedwig |
| Citation | 1866 Bryol. Jav. 2: 149 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypnum sumatranum Bosch & Sande Lacoste |
| Identification made in | [no date] (1) |