| Name | Hypnum vallium Sullivant & Lesquereux |
| Authorship | Sullivant & Lesquereux |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypnum Hedwig |
| Citation | 1865 Musci Bor.-Amer., ed. 2 506 [Schedae 84] |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypnum vallium Sullivant & Lesquereux |
| Identification made in | [no date] (1) |
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