| Name | Trichostomum cuspidatissimum Cardot & Thériot |
| Authorship | Cardot & Thériot |
| Rank | Species |
| Placed in | Trichostomum Hedwig |
| Citation | 1902 Proc. Wash. Acad. Sci. 4: 302 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trichostomum cuspidatissimum Cardot & Thériot |
| Identification made in | [no date] (3) |