| Name | Polytrichum jamesonii Taylor |
| Authorship | Taylor |
| Rank | Species |
| Placed in | Polytrichum |
| Citation | 1848 London J. Bot. 7: 188 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polytrichum jamesonii Taylor |
| Identification made in | [no date] (1), 2015 (1) |