| Name | Orthotrichum porteri Sull. & Lesq. |
| Authorship | Sull. & Lesq. |
| Rank | Species |
| Placed in | Orthotrichum |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Orthotrichum porteri Sull. & Lesq. |
| Identification made in | [no date] (7) |
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