Mabberley, D. J. (1997). The plant-book: A portable dictionary of the vascular plants utilizing Kubitzki's the families and genera of vascular plants (1990- ), cronquist's an integrated system of classification of flowering plants (1981) and current botanical literature arranged largely on the principles of editions 1-6 (1896/97-1931) of Willis's A dictionary of the flowering plants and ferns (2nd ed. completely rev. --.). Cambridge, Unit Kingdom ; New York: Cambridge University Press.

Mabberley, David J. The Plant-book: A Portable Dictionary of the Vascular Plants Utilizing Kubitzki's the Families and Genera of Vascular Plants (1990- ), Cronquist's an Integrated System of Classification of Flowering Plants (1981) and Current Botanical Literature Arranged Largely On the Principles of Editions 1-6 (1896/97-1931) of Willis's A Dictionary of the Flowering Plants and Ferns. 2nd ed. completely rev. --. Cambridge, Unit Kingdom ; New York: Cambridge University Press, 1997.

Mabberley, David J. The Plant-book: A Portable Dictionary of the Vascular Plants Utilizing Kubitzki's the Families and Genera of Vascular Plants (1990- ), Cronquist's an Integrated System of Classification of Flowering Plants (1981) and Current Botanical Literature Arranged Largely On the Principles of Editions 1-6 (1896/97-1931) of Willis's A Dictionary of the Flowering Plants and Ferns. 2nd ed. completely rev. --. Cambridge, Unit Kingdom ; New York: Cambridge University Press, 1997.