| Name | Sematophyllum steyermarkii E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| Placed in | Sematophyllum |
| Citation | 1946 Bryologist 49: 123 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sematophyllum steyermarkii E. B. Bartram |
| Identification made in | [no date] (1), 1990 (1) |