| Name | Trichostomum densifolium Mitten |
| Authorship | Mitten |
| Rank | Species |
| Placed in | Trichostomum Hedwig |
| Citation | 1851 Hooker's J. Bot. Kew Gard. Misc. 3: 53 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trichostomum densifolium Mitten |
| Identification made in | [no date] (3) |