| Name | Hygrohypnum closteri (Austin) Grout |
| Authorship | (Austin) Grout |
| Rank | Species |
| Placed in | Hygrohypnum Lindberg |
| Citation | 1910 Bryologist 13(1): 14 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hygrohypnum closteri (Austin) Grout |
| Identification made in | [no date] (1) |