Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Rosanae Takht. (1967)
         Order Rosales Bercht. & J.Presl (1820)
           Family Rosaceae Juss. (1789), nom. cons. - rose family
             Subfamily Spiraeoideae Arn. see Tribe Spiraeeae
               Tribe Neillieae Maxim. (1879)
                 Genus Physocarpus (Cambess.) Raf. (1838), nom. cons., orth. cons.