Cercidiphyllaceae
The relations to other families of Cercidiphyllaceae are uncertain. Molecular data tend to accept it as a family of its one (APG III 2009). It counts only a single genus, Cercidiphyllum Sieb. & Zucc.
Literature:
APG III (2009) An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. APG III. Bot. J. Linn. Soc. 161(2): 105-121. [available online at: http://onlinelibrary.wiley.com/doi/10.1111/j.1095-8339.2009.00996.x/pdf]
Endress P.K. (1993) Cercidiphyllaceae. In: Kubitzki K. (ed.), The Families and Genera of Vascular Plants, vol. II. Springer-Verlag: Berlin, Heidelberg: 250-252.
Taxonomic name: