= Hortensia japonica J.F.Gmel.; Syst. Nat., ed. 13bis: 722 (1791)
= Hortensia macrophylla (Thunb.) H.Ohba & S.Akiyama; J. Jap. Bot. 91(6): 346 (2016)
= Hortensia macrophylla f. isobue (H.Ohba & S.Akiyama) H.Ohba & S.Akiyama; J. Jap. Bot. 91(6): 346 (2016)
= Hortensia macrophylla f. isonotaki (H.Ohba & S.Akiyama) H.Ohba & S.Akiyama; J. Jap. Bot. 91(6): 346 (2016)
= Hortensia macrophylla f. normalis (E.H.Wilson) H.Ohba & S.Akiyama; J. Jap. Bot. 91: 346 (2016)
= Hortensia mutabilis Schneev.; Icon. Pl. Rar. [Schneevoogt] 36 (1793)
= Hortensia nigra Carrière; Rev. Hort. (Paris) 52: 180 (1880)
= Hortensia opuloides Lam.; Encycl. [J.Lamarck et al.] 3: 136 (1789)
= Hortensia rosea Desf.; Tabl. École Bot. 115 (1804)
= Hortensia speciosa Pers.; Syn. Pl. [Persoon] 1: 505 (1805)
= Hydrangea azisai Siebold; Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 14(2): 689 (1829)
= Hydrangea cyanoclada G.Nicholson; Hand-list Trees & Shrubs Arb. 1: 221 (1894)
= Hydrangea florida Salisb.; Prodr. Stirp. Chap. Allerton 284 (1796)
= Hydrangea hortensia f. otaksa (Siebold & Zucc.) Franch. & Sav.; Enum. Pl. Jap. 1: 152 (1873)
= Hydrangea hortensia f. rosea Bean; Garden (London, 1871-1927) 50: 122 (1896)
= Hydrangea hortensia f. variegata (Regel) G.Nicholson; Ill. Dict. Gard. 2: 163 (1887)
= Hydrangea hortensia Siebold; Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 14(2): 688 (1828), nom. superfl.
= Hydrangea hortensia var. azisai (Siebold) A.Gray; Mem. Amer. Acad. Arts, n. s. 6: 312 (1857)
= Hydrangea hortensia var. macrosepala (Regel) Rehder; Cycl. Amer. Hort. [L.H.Bailey] 2: 785 (1900)
= Hydrangea hortensia var. maculata (Blume) K.Koch; Hort. Dendrol. 106 (1853)
= Hydrangea hortensia var. mariesii Bean; Garden (London, 1871-1927) 54: 390 (1898)
= Hydrangea hortensia var. otaksa (Siebold & Zucc.) A.Gray; Mem. Amer. Acad. Arts, n. s. 6: 312 (1857)
= Hydrangea hortensia var. rosea (Bean) J.H.Veitch; Hort. Veitch. 368 (1906)
= Hydrangea hortensis Sm.; Icon. Pict. Pl. Rar. t. 12 (1792)
= Hydrangea hortensis var. alba H.B.May; Gard. Chron., Ser. 3, 45: 301 (1909)
= Hydrangea hortensis var. maculata Blume; Bijdr. Fl. Ned. Ind. 920 (1826)
= Hydrangea hortensis var. mariesii (Bean) Bean; Trees & Shrubs Brit. Isles 1: 625 (1914)
= Hydrangea japonica f. hortensia Regel; Gartenflora 15: 290 (1866)
= Hydrangea japonica var. coerulescens Regel; Gartenflora 15: 290 (1866)
= Hydrangea japonica var. macrosepala Regel; Gartenflora 15: 290 (1866)
= Hydrangea japonica var. otaksa Regel; Gartenflora 15: 290 (1866)
= Hydrangea macrocephala Dippel; Handb. Laubholzk. 3: 322 (1893)
= Hydrangea macrophylla f. azisai (Siebold) E.H.Wilson; J. Arnold Arbor. 4: 240 (1923)
= Hydrangea macrophylla f. caesia Nakai; Siebold Hydrang. Kaisetsu 12 (1938)
= Hydrangea macrophylla f. hortensia (Regel) Rehder; J. Arnold Arbor. 7(4): 240 (1926)
= Hydrangea macrophylla f. isobue H.Ohba & S.Akiyama; Bull. Natl. Mus. Nat. Sci., Tokyo, B 40(4): 144 (2014)
= Hydrangea macrophylla f. isonotaki H.Ohba & S.Akiyama; Bull. Natl. Mus. Nat. Sci., Tokyo, B 40(4): 144 (2014)
= Hydrangea macrophylla f. leucantha Makino; Ill. Fl. Nippon 483 (1940)
= Hydrangea macrophylla f. macrosepala (Regel) E.H.Wilson; J. Arnold Arbor. 4: 240 (1923)
= Hydrangea macrophylla f. maculata (Blume) E.H.Wilson; J. Arnold Arbor. 4: 241 (1923)
= Hydrangea macrophylla f. mandschurica (Dieck) E.H.Wilson; J. Arnold Arbor. 4: 237 (1923)
= Hydrangea macrophylla f. mariesii (Bean) E.H.Wilson; J. Arnold Arbor. 4: 241 (1923)
= Hydrangea macrophylla f. normalis (E.H.Wilson) H.Hara; J. Jap. Bot. 30: 277 (1955)
= Hydrangea macrophylla f. nuda Konta & S.Matsumoto; Bull. Natl. Sci. Mus., Tokyo, B 31(1): 23, 7) (2005)
= Hydrangea macrophylla f. otaksa (Siebold & Zucc.) E.H.Wilson; J. Arnold Arbor. 4(4): 237 (1923)
= Hydrangea macrophylla f. veitchii E.H.Wilson; J. Arnold Arbor. 4: 237 (1923)
= Hydrangea macrophylla var. hattoriana Kitam.; Acta Phytotax. Geobot. 26(1-2): 5 (1974)
= Hydrangea macrophylla var. hortensis (Sm.) Rehder; Cycl. Amer. Hort. [L.H.Bailey] 2: 785 (1900)
= Hydrangea macrophylla var. normalis E.H.Wilson; J. Arnold Arbor. 4(4): 238 (1923)
= Hydrangea macrophylla var. otaksa (E.H.Wilson) L.H.Bailey; Man. Cult. Pl. 475 (1949)
= Hydrangea mandshurica Dippel; Handb. Laubholzk. 3: 187 (1893)
= Hydrangea maritima Haw.-Booth; Hydrangeas 38 (1950)
= Hydrangea mutabilis Steud.; Nomencl. Bot. [Steudel], ed. 1, 1: 416 (1821)
= Hydrangea nigra Dippel; Handb. Laubholzk. 3: 187 (1893)
= Hydrangea opuloides (Lam.) K.Koch; Dendrologie 1: 353 (1869)
= Hydrangea opuloides f. macrosepala (Regel) Dippel; Handb. Laubholzk. 3: 323 (1893)
= Hydrangea opuloides var. azisai (Siebold) Dippel; Handb. Laubholzk. 3: 322 (1893)
= Hydrangea opuloides var. hortensia Dippel; Handb. Laubholzk. 3: 322 (1893)
= Hydrangea opuloides var. japonica C.K.Schneid.; Ill. Handb. Laubholzk. [C.K.Schneider] 1: 392 (1905)
= Hydrangea opuloides var. mandschurica Dieck; Nursery Cat. (Dieck) 1885(Haupt-Kat.): 42 (1885)
= Hydrangea opuloides var. mariesii (Bean) Rehder; Stand. Cycl. Hort. 3: 1621 (1915)
= Hydrangea opuloides var. otaksa (Siebold & Zucc.) Dippel; Handb. Laubholzk. 3: 323 (1893)
= Hydrangea otaksa Siebold & Zucc.; Fl. Jap. [Siebold] 1: 105, t. 52 (1840)
= Hydrangea sieboldii Dippel; Handb. Laubholzk. 3: 323 (1893)
= Hydrangea sinensis Dippel; Handb. Laubholzk. 3: 322 (1893)
= Macnemaraea opulina Willemet; Ann. Bot. [Usteri] 18: 34 (1796)