| Name | Orthotrichum subpumilum E. B. Bartram ex Lewinsky |
| Authorship | E. B. Bartram ex Lewinsky |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Orthotrichum |
| Citation | 1992 J. Hattori Bot. Lab. 72: 59 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Orthotrichum subpumilum E. B. Bartram ex Lewinsky |
| Identification made in | [no date] (3), 1981 (1), 2016 (1) |