Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967) Superorder Campanulanae Takht. ex Reveal (1992) see Order Asterales Link (1829) Order Campanulales Juss. ex Bercht. & J.Presl (1820) see Order Asterales Link (1829) Family Campanulaceae Juss. (1789), nom. cons. - bellflower family Subfamily Campanuloideae Burnett (1835) Tribe Phyteumateae Dumort. (1827) Genus Petromarula Ventenat ex R.A. Hedw. (1806)