= Deutzia californica Carrière; Rev. Hort. (Paris) 38: 339 (1866)
= Philadelphus angustifolius Rydb.; N. Amer. Fl. 22: 166 (1905)
= Philadelphus billiardii Koehne; Gartenflora 45: 508 (1896)
= Philadelphus californicus Benth.; Pl. Hartw. [Bentham] 309 (1849)
= Philadelphus californicus Carrière; Rev. Hort. (Paris) 37: 339 (1866), nom. illeg.
= Philadelphus columbarius Dippel; Handb. Laubholzk. 3: 342 (1893)
= Philadelphus columbianus K.Koch; Dendrologie 1: 344 (1869)
= Philadelphus columbianus Koehne; Dendrologie 1: 344 (1869)
= Philadelphus confusus Piper; Bull. Torrey Bot. Club 29: 225 (1902)
= Philadelphus cordatus K.Koch; Dendrologie 1: 344 (1869)
= Philadelphus cordifolius Lange; Bot. Tidsskr. Ser. 3, 2: 132 (1877 publ. 1879)
= Philadelphus fremontii Rydb.; N. Amer. Fl. 22: 165 (1905)
= Philadelphus globosus K.Koch; Dendrologie 1: 344 (1869)
= Philadelphus gordonianus Lindl.; Edwards´s Bot. Reg., Misc. 21 (1838)
= Philadelphus gordonianus var. californicus Dippel; Handb. Laubholzk. 3: 342 (1893)
= Philadelphus gordonianus var. columbianus (Koehne) Rehder; J. Arnold Arbor. 1: 196 (1920)
= Philadelphus grahamii K.Koch; Dendrologie 1: 344 (1869)
= Philadelphus helleri Rydb.; N. Amer. Fl. 22: 166 (1905)
= Philadelphus insignis Carrière; Rev. Hort. (Paris) 42: 40 (1870)
= Philadelphus intermedius A.Nelson; Bot. Gaz. 42: 53 (1906)
= Philadelphus lewisii subsp. californicus (Benth.) Munz; Aliso 4: 92 (1958)
= Philadelphus lewisii subsp. gordonianus (Lindl.) Munz; Aliso 4: 92 (1958)
= Philadelphus lewisii var. angustifolius (Rydb.) S.Y.Hu; J. Arnold Arbor. 36: 79 (1955)
= Philadelphus lewisii var. californicus (Benth.) A.Gray; Bot. California [W.H.Brewer] 1: 202 (1876)
= Philadelphus lewisii var. ellipticus S.Y.Hu; J. Arnold Arbor. 36: 81 (1955)
= Philadelphus lewisii var. gordonianus (Lindl.) Jeps.; Man. Fl. Pl. Calif. [Jepson] 466 (1925)
= Philadelphus lewisii var. helleri (Rydb.) S.Y.Hu; J. Arnold Arbor. 36: 79 (1955)
= Philadelphus lewisii var. intermedius (A.Nelson) S.Y.Hu; J. Arnold Arbor. 36: 81 (1955)
= Philadelphus lewisii var. oblongifolius S.Y.Hu; J. Arnold Arbor. 36: 78 (1955)
= Philadelphus lewisii var. parvifolius S.Y.Hu; J. Arnold Arbor. 36: 77 (1955)
= Philadelphus lewisii var. parvifolius Torr.; Pacif. Railr. Rep. 4(5, no. 4) [Whipple] 90 (1857)
= Philadelphus lewisii var. platyphyllus (Rydb.) A.H.Moore; Rhodora 16: 77 (1914)
= Philadelphus lewisii var. pygmaeus S.Y.Hu; J. Arnold Arbor. 37(1): 83 (1956)
= Philadelphus oblongifolius S.Y.Hu; J. Arnold Arbor. 35: 327 (1954)
= Philadelphus oreganus Nutt.; Fl. N. Amer. [Torrey & A.Gray] 1: 595 (1840)
= Philadelphus oreganus Nutt. ex S.Y.Hu; J. Arnold Arbor. 36: 85 (1955)
= Philadelphus platyphyllus Rydb.; N. Amer. Fl. 22: 167 (1905)
= Philadelphus thyrsiflorus Hort.; Gard. Kew 1: Polypet. 227 (1894)
= Philadelphus trichothecus S.Y.Hu; J. Arnold Arbor. 36: 84 (1955)
= Philadelphus zelleri S.Y.Hu; J. Arnold Arbor. 36: 87 (1955)