| Name | Hypnum polypterum (Mitten) Brotherus |
| Authorship | (Mitten) Brotherus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypnum Hedwig |
| Contains | Hypnum polypterum var. robustum E. B. Bartram |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Hypnum polypterum (Mitten) Brotherus |
| Identification made in | [no date] (4) |
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