| Name | Philadelphus calcicolus S. Y. Hu |
| Authorship | S. Y. Hu |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Philadelphus |
| Citation | 1954 J. Arnold Arbor. 35: 332 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Philadelphus calcicolus S. Y. Hu |
| Identification made in | [no date] (1), 2010 (2) |
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