| Name | Polytrichum strictum Menzies ex Bridel |
| Authorship | Menzies ex Bridel |
| Rank | Species |
| Placed in | Polytrichum |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Polytrichum strictum Menzies ex Bridel |
| Identification made in | [no date] (6), 2003 (1), 2004 (1), 2005 (2), 2016 (1) |