| Name | Orthotrichum japonicum Sullivant & Lesquereux |
| Authorship | Sullivant & Lesquereux |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Orthotrichum |
| Citation | 1859 Proc. Amer. Acad. Arts 4: 277 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Orthotrichum japonicum Sullivant & Lesquereux |
| Identification made in | [no date] (3) |