| Name | Polytrichum commune subsp. swartzii (Hartman) C. Hartman |
| Authorship | (Hartman) C. Hartman |
| Rank | Subspecies |
| Placed in | Polytrichum commune Hedwig |
| Citation | 1864 Handb. Skand. Fl., ed. 9 2: 43 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Polytrichum commune subsp. swartzii (Hartman) C. Hartman |
| Identification made in | [no date] (6) |
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