| Philadelphus matudae Lundell, 1940 |
| Philadelphus mearnsii W.H. Evans, 1905 |
| Philadelphus mexicanus Schltdl., 1839 |
| Philadelphus microphyllus A. Gray, 1849 |
| Philadelphus myrtoides Bertol., 1840 |
| Philadelphus oblongifolius S.Y. Hu, 1954 |
| Philadelphus occidentalis A. Nelson, 1898 |
| Philadelphus osmanthus S.Y. Hu, 1954 |
| Philadelphus palmeri Rydb., 1905 |
| Philadelphus pringlei S.Y. Hu, 1954 |
| Philadelphus pueblanus S.Y. Hu, 1954 |
| Philadelphus pumilus Rydb., 1905 |
| Philadelphus purpusii Brandegee, 1912 |
| Philadelphus sargentianus S.Y. Hu, 1954 |
| Philadelphus serpyllifolius A. Gray, 1852 |
| Philadelphus texensis S.Y. Hu, 1956 |
| Philadelphus texensis var. coryanus S.Y. Hu, 1956 |
| Philadelphus texensis var. texensis S.Y. Hu, 1956 |