1. Arber A. 1920. Water plants: a study of aquatic angiosperms. Cambridge University Press, Cambridge.
2. Arber A. 1925. Monocotyledons: a morphological study. Cambridge University Press, Cambridge.
3. Bancroft N. 1914. A review of the literature concerning the evolution of Monocotyledons. New Phytol. 13: 285–303.
4. Batygina TB and MS Yakovlev, eds. 1990. Comparative embryology of flowering plants: monocotyledons. Nauka, Leningrad (in Russian).
5. Behnke H-D. 1981. Siebelement-plastiden, phloem-protein, und evolution der blütenpflanzen: II. Monocotyledonen. Ber. Deutsch. Bot. Ges. 94: 647–662.