embryophytes - land plants see Superphylum Embryophyta Engl. (1887)
   angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
     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]
         Order Saxifragales Bercht. & J.Presl (1820)
           01 Family Altingiaceae Horan. (1841), nom. cons.
           02 Family Aphanopetalaceae Doweld (2001)
           03 Family Cercidiphyllaceae Engl. (1907), nom. cons. - katsura-tree family
           04 Family Crassulaceae J.St.-Hil. (1805), nom. cons. - stonecrop family
           05 Family Daphniphyllaceae Müll.Arg. (1869), nom. cons. - Daphniphyllum family
           06 Family Grossulariaceae DC. (1805), nom. cons. - currant family
           07 Family Haloragaceae R.Br. (1814), nom. cons.
           08 Family Hamamelidaceae R.Br. (1818), nom. cons. - witch-hazel family
           09 Family Iteaceae J.Agardh (1858), nom. cons.
           10 Family Paeoniaceae Raf. (1815), nom. cons.
           11 Family Penthoraceae Rydb. ex Britton (1901), nom. cons.
           12 Family Peridiscaceae Kuhlm. (1950), nom. cons.
           13 Family Saxifragaceae Juss. (1789), nom. cons. - saxifrage family
           14 Family Tetracarpaeaceae Nakai (1943)