| Alangiaceae | !! |
Alangiaceae
| DC. | Prodr. 3: 203 | 1828 |
| Cornaceae | !! |
Cornaceae
| Bercht. & J. Presl | Prir. Rostlin 2(23): 92, 91 | 1825 |
| Curtisiaceae | |
Curtisiaceae
| Takht. | Sist. Magnol. 214 | 1987 |
| Davidiaceae | |
Davidiaceae
| H.L. Li | Lloydia 17: 330 | 1955 |
| Grubbiaceae | !! |
Grubbiaceae
| Endl. ex Meisn. | Pl. Vasc. Gen. 1: 323, 2: 239 | 1841 |
| Hortensiaceae | |
Hortensiaceae
| Martinov | Tekhno-Bot. Slovar. 315 | 1820 |
| Hydrangeaceae | !! |
Hydrangeaceae
| Dumort. | Anal. Fam. Pl. 36, 38 | 1829 |
| Hydrostachyaceae | !! |
Hydrostachyaceae
| Engl. | Bot. Jahrb. Syst. 20: 136 | 1894 |
| Kirengeshomaceae | |
Kirengeshomaceae
| Nakai | Chosakuronbun Mokuroku 245 | 1943 |
| Loasaceae | !! |
Loasaceae
| Juss. | Ann. Mus. Natl. Hist. Nat. 5: 21 | 1804 |
| Mastixiaceae | |
Mastixiaceae
| | | |
| Nyssaceae | !! |
Nyssaceae
| Juss. ex Dumort. | Anal. Fam. Pl. 13 | 1829 |
| Ophiraceae | |
Ophiraceae
| Arn. | J. Bot. (Hooker) 3: 266 | 1841 |
| Philadelphaceae | |
Philadelphaceae
| Martinov | Tekhno-Bot. Slovar. 478 | 1820 |
| Toricelliaceae | |
Toricelliaceae
| H.H. Hu | Bull. Fan Mem. Inst. Biol. 5: 311 | 1934 |