| 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) | 
