| Name | Orthotrichum laevigatum J. E. Zetterstedt |
| Authorship | J. E. Zetterstedt |
| Rank | Species |
| Placed in | Orthotrichum |
| Contains | Orthotrichum laevigatum var. kingianum (Lesquereux) Grout Orthotrichum laevigatum f. macounii (Austin) E. Lawton & Vitt |
| Citation | 1862 Öfvers. Kongl. Vetensk.-Akad. Förh. 19(5): 363-364 |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Orthotrichum laevigatum J. E. Zetterstedt |
| Identification made in | [no date] (43) |