| Name | Isopterygium robusticaule E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Isopterygium |
| Citation | 1946 Bryologist 49: 122 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Isopterygium robusticaule E. B. Bartram |
| Identification made in | [no date] (1), 1988 (1), 1990 (2), 2014 (4), 2019 (2) |