| Name | Polytrichastrum formosum (Hedwig) G. L. Smith |
| Authorship | (Hedwig) G. L. Smith |
| Rank | Species |
| Placed in | Polytrichastrum |
| Citation | 1971 Mem. New York Bot. Gard. 21(3): 37 |
| Holdings | 73 Specimens held in the Harvard University Herbaria identified as Polytrichastrum formosum (Hedwig) G. L. Smith |
| Identification made in | [no date] (73) |