| Name | Sagina japonica (Swartz) Ohwi |
| Authorship | (Swartz) Ohwi |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sagina |
| Contains | Sagina japonica f. glaberrima M. Mizushima |
| Holdings | 22 Specimens held in the Harvard University Herbaria identified as Sagina japonica (Swartz) Ohwi |
| Identification made in | [no date] (22) |