| Name | Polytrichum piliferum Hedwig |
| Authorship | Hedwig |
| Rank | Species |
| Placed in | Polytrichum |
| Contains | Polytrichum piliferum var. hyperboreum (R. Brown) Müll. Stuttg. |
| Citation | 1801 Sp. Musc. Frond. 90 |
| Holdings | 317 Specimens held in the Harvard University Herbaria identified as Polytrichum piliferum Hedwig |
| Identification made in | [no date] (311), 1941 (1), 1967 (1), 2007 (3), 2025 (1) |
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