| Hydrangeoideae Burnett, 1835 |
| Jamesia Torr. & A. Gray, 1840 |
| Jamesia americana Torr. & A. Gray, 1840 |
| Jamesioideae Hufford, 2001 |
| Neodeutzia Small, 1905 |
| Neodeutzia mexicana (Hemsl.) Small, 1905 |
| Neodeutzia ovalis Small, 1905 |
| Philadelpheae DC. ex Duby, 1828 |
| Philadelphus L., 1753 |
| Philadelphus affinis Schltdl., 1839 |
| Philadelphus asperifolius Körn., 1867 |
| Philadelphus austromexicanus S.Y. Hu, 1954 |
| Philadelphus bifidus (C.L. Hitchc.) S.Y. Hu, 1956 |
| Philadelphus calcicolus S.Y. Hu, 1954 |
| Philadelphus coulteri S. Watson, 1887 |
| Philadelphus glabripetalus S.Y. Hu, 1954 |
| Philadelphus hitchcockianus S.Y. Hu, 1956 |
| Philadelphus karwinskyanus Koehne, 1896 |
| Philadelphus maculatus (C.L. Hitchc.) S.Y. Hu, 1956 |
| Philadelphus madrensis Hemsl., 1908 |