Principles of angiosperm taxonomy - Davis, P. H. (Peter Hadlund).; Heywood, V. H. (Vernon Hilton), 1927- (Princeton. : Van Nostrand ; Edinburgh. : Oliver & Boyd, Edinburgh. : Oliver & Boyd, Edinburgh. : Oliver & Boyd, Edinburgh. : Oliver & Boyd, 1967)
Includes bibliographical references (p. 489-534). and indexes
Keywords: Botany -- Classification; Angiosperms. -- Classification