| Name | Hypnum serrulatum Hedwig |
| Authorship | Hedwig |
| Rank | Species |
| Placed in | Hypnum Hedwig |
| Citation | 1801 Sp. Musc. Frond. 238-240, pl. 60 [bottom], f. 1-5 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Hypnum serrulatum Hedwig |
| Identification made in | [no date] (10) |