| Name | Orthotrichum bartramii R. S. Williams |
| Authorship | R. S. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Orthotrichum |
| Citation | 1925 Bryologist 28: 76 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Orthotrichum bartramii R. S. Williams |
| Identification made in | [no date] (14) |
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