Syllabus of Plant Families - A. Engler's Syllabus der Pflanzenfamilien Part 5/1: Magnoliopsida (Angiosperms) p.p.
Part 5/1 of Engler’s Syllabus of Plant Families - Subclass Magnoliidae p.p.: Lilianae p.p. (Arecales to Zingiberales), Ceratophyllanae. Subclass Rosidae p.p. (Ranunculanae to Berberidopsidanae) provides a thorough treatise of the world-wide morphological and molecular diversity of the Arecales to Zingiberales and Ceratophyllanae (subclass Magnoliidae) and the Ranunculanae to Berberidopsanae (subclass Rosidae).