| Name | Rhynchostegium argute-serratum E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhynchostegium |
| Citation | 1936 J. Wash. Acad. Sci. 26: 13 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhynchostegium argute-serratum E. B. Bartram |
| Identification made in | 1985 (1) |