Reference

Stevenson, Dennis W. (1992):
    A Formal Classification of the Extant Cycads. [s.l.]

Published by: Brittonia Vol. 44, no.2, p. 220-23

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Type: Article

BioLib citation format:

Stevenson, D. W. (1992): A Formal Classification of the Extant Cycads. [s.l.], Brittonia Vol. 44, no.2, p. 220-23