Evolution and Function of Heterostyly

Edited by S.C.H. Barrett (1992)
Springer-Verlag, Berlin.

Floral Biology: Studies on Floral Evolution in Animal-Pollinated Plants

Edited by D.G. Lloyd & S.C.H. Barrett (1996)
Chapman & Hall, New York.

Ecology and Evolution of Flowers

Edited by Lawrence D. Harder and Spencer C.H. Barrett (2006)
Oxford University Press

Major Evolutionary Transitions in Flowering Plant Reproduction

Edited by S.C.H. Barrett (2008)
Chapman & Hall, New York.

Special Issue - International Journal of Plant Sciences (January 2008)