| Name | Philadelphus gordonianus var. columbianus (Koehne) Rehder |
| Authorship | (Koehne) Rehder |
| Rank | Variety |
| Placed in | Philadelphus gordonianus Lindley |
| Citation | 1920 J. Arnold Arbor. 1(3): 196 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Philadelphus gordonianus var. columbianus (Koehne) Rehder |
| Identification made in | [no date] (1) |
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