Angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
   Mesangiosperms see Clade Mesangiospermae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
     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]
         Superrosids see Clade Superrosidae Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
           Order Saxifragales Bercht. & J.Presl (1820)
             121 Family Peridiscaceae Kuhlm. (1950), nom. cons.
             122 Family Paeoniaceae Raf. (1815), nom. cons.
             123 Family Altingiaceae Horan. (1841), nom. cons.
             124 Family Hamamelidaceae R.Br. (1818), nom. cons. - witch-hazel family
             125 Family Cercidiphyllaceae Engl. (1907), nom. cons. - katsura-tree family
             126 Family Daphniphyllaceae Müll.Arg. (1869), nom. cons. - Daphniphyllum family
             127 Family Iteaceae J.Agardh (1858), nom. cons.
             128 Family Grossulariaceae DC. (1805), nom. cons. - currant family
             129 Family Saxifragaceae Juss. (1789), nom. cons. - saxifrage family
             130 Family Crassulaceae J.St.-Hil. (1805), nom. cons. - stonecrop family
             131 Family Aphanopetalaceae Doweld (2001)
             132 Family Tetracarpaeaceae Nakai (1943)
             133 Family Penthoraceae Rydb. ex Britton (1901), nom. cons.
             134 Family Haloragaceae R.Br. (1814), nom. cons.
             135 Family Cynomoriaceae Endl. ex Lindl. (1833), nom. cons. - Cynomorium family