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 Cercidiphyllaceae Engl. (1907), nom. cons. - katsura-tree family
         03 Family Crassulaceae J.St.-Hil. (1805), nom. cons. - stonecrop family
         04 Family Daphniphyllaceae Müll.Arg. (1869), nom. cons. - Daphniphyllum family
         05 Family Grossulariaceae DC. (1805), nom. cons. - currant family
         06 Family Haloragaceae R.Br. (1814), nom. cons.
         07 Family Hamamelidaceae R.Br. (1818), nom. cons. - witch-hazel family
         08 Family Iteaceae J.Agardh (1858), nom. cons.
         09 Family Paeoniaceae Raf. (1815), nom. cons.
         10 Family Penthoraceae Rydb. ex Britton (1901), nom. cons.
         11 Family Pterostemonaceae Small (1905), nom. cons. see Family Iteaceae J.Agardh (1858), nom. cons.
         12 Family Saxifragaceae Juss. (1789), nom. cons. - saxifrage family
         13 Family Tetracarpaeaceae Nakai (1943)