Families
Primitive vs. Advanced
Apiaceae
Asclepiadaceae
Asteraceae
Bignoniaceae
Brassicaceae
Cactaceae
Euphorbiaceae
Fabaceae
Lamiaceae
Malvaceae
Oleaceae
Papaveraceae
Poaceae
Pteridophyta
Ranunculaceae
Rosaceae
Rubiaceae
Solanaceae
Verbenaceae
Vitaceae