Mesangiospermae

Mesangiospermae is a clade that contains the majority of flowering plants (angiosperms). Mesangiosperms are therefore known as the core angiosperms, in contrast to the three orders of earlier-diverging species known as the basal angiosperms: Nymphaeales (including water lilies), Austrobaileyales (including star anise), and Amborellales. Mesangiospermae includes about 350,000 species, while there are about 175 extant species of basal angiosperms.

It is a name created under the rules of the PhyloCode system of phylogenetic nomenclature. While such a clade with a similar circumscription exists in the APG III system, it was not given a name.