[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]
               Order Saxifragales Bercht. & J.Presl (1820)
                 Family Saxifragaceae Juss. (1789), nom. cons. - saxifrage family
                   Genus Penthorum L. (1753)
                   01 Genus Astilbe F. Hamilton ex D.Don (1825)
                   02 Genus Bergenia Moench (1794), nom. cons.
                   03 Genus Boykinia Nutt. (1834), nom. cons.
                   04 Genus Chrysosplenium L. (1753)
                   05 Genus Darmera A. Voss (1899)
                   06 Genus Elmera Rydberg (1905)
                   07 Genus Heuchera L. (1753) - coral bells
                   08 Genus Lithophragma (Nutt.) J. Torrey & A.Gray (1840), nom. cons.
                   09 Genus Mitella L. (1753)
                   10 Genus Rodgersia A.Gray (1858)
                   11.1 Genus Saxifraga L. (1753)
                   11.2 Genus Saxifragopsis Small (1896)
                   12 Genus Saxifragodes D.M.Moore (1969)
                   13 Genus Tellima R.Br., in Franklin (1823)
                   14 Genus Tiarella L. (1753)
                   15 Genus Tolmiea Torrey & A.Gray (1840), nom. cons.