| Name | Hypnum alleghaniense Müller Halle |
| Authorship | Müller Halle |
| Rank | Species |
| Placed in | Hypnum Hedwig |
| Citation | 1851 Syn. Musc. Frond. 2(7/8): 502 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Hypnum alleghaniense Müller Halle |
| Identification made in | [no date] (8) |
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