The identification of flowering plant families : including a key to those native and cultivated in north temperate regions /
Cullen, J.(James)
Davis, P. H.(Peter Hadland).Identification of flowering plant families.
Cambridge : Cambridge University Press,
1997.
Previous ed.: published as The identification of flowering plant families / P. H. Davis, J. Cullen. 1989
Bibliography: p191-194. - Includes index
Angiosperms
Flowers