| Name | Orthotrichum pumilum Swartz |
| Authorship | Swartz |
| Rank | Species |
| Placed in | Orthotrichum |
| Citation | 1801 Monthly Rev. 34: 538 |
| Holdings | 41 Specimens held in the Harvard University Herbaria identified as Orthotrichum pumilum Swartz |
| Identification made in | [no date] (41) |