| Name | Hypnum trichostegum Müller Halle |
| Authorship | Müller Halle |
| Rank | Species |
| Placed in | Hypnum Hedwig |
| Citation | 1879 Linnaea (Geneva) 42: 499 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypnum trichostegum Müller Halle |
| Identification made in | [no date] (1) |
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