Invasion Genetics: The Baker and Stebbins Legacy.
Edited by S.C.H. Barrett, R.I. Colautti, K.M. Dlugosch & L.H. Rieseberg (2017)
John Wiley, London.
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)
Ecology and Evolution of Flowers
Edited by Lawrence D. Harder and Spencer C.H. Barrett (2006)
Oxford University Press
Floral Biology: Studies on Floral Evolution in Animal-Pollinated Plants
Edited by D.G. Lloyd & S.C.H. Barrett (1996)
Evolution and Function of Heterostyly
Edited by S.C.H. Barrett (1992)
Springer-Verlag, Berlin.