| Name | Perideridia oregana (S. Watson) Mathias |
| Authorship | (S. Watson) Mathias |
| Rank | Species |
| Placed in | Perideridia |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Perideridia oregana (S. Watson) Mathias |
| Identification made in | [no date] (1) |