[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           "Eudicots" see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
             "Core Eudicots" see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
               Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
                 Order Cornales Link (1829)
                   Family Hydrangeaceae Dumort. (1829), nom. cons. - Hydrangea family
                     Subfamily Hydrangeoideae (Dumort.) Burnett (1835)
                       Tribe Philadelphieae nom. null. see Tribe Philadelpheae DC. ex Duby (1828)
                         1 Genus Carpenteria J. Torrey (1851)
                         2 Genus Deutzia Thunb. (1781)
                         3 Genus Fendlerella Heller (1898)
                         4 Genus Kirengeshoma Yatabe (1890)
                         5 Genus Philadelphus L. (1753)
                         6 Genus Whipplea Torrey (1857)