| Name | Philadelphus mearnsii W. E. Evans ex Rydberg |
| Authorship | W. E. Evans ex Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Philadelphus |
| Contains | Philadelphus mearnsii subsp. bifidus C. L. Hitchcock |
| Citation | 1905 N. Amer. Fl. 22: 174 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Philadelphus mearnsii W. E. Evans ex Rydberg |
| Identification made in | [no date] (7), 1911 (1), 1941 (1), 1951 (1), 2009 (2), 2010 (3) |