Txantiloi:Cite isbn/978354040593

(Ingelesez) Raymond M. Harley, Sandy Atkins, Andrey L. Budantsev, Philip D. Cantino, Barry J. Conn, Renée J. Grayer, Madeline M. Harley, Rogier P.J. de Kok, Tatyana V. Krestovskaja, Ramón Morales, Alan J. Paton, and P. Olof Ryding. (2004). Klaus Kubitzki ed. The Families and Genera of Vascular Plants. VII Heidelberg: Springer-Verlag: Berlin ISBN 978354040593..