1. Atsatt PR, Strong DR (1970) The population biology of annual grassland hemiparasites. I. The host environment. Evolution 24: 278–291
2. Baker HG (1962) Weeds-native and introduced. J Calif Hort Soc 23: 97 – 104
3. Baker HG (1965) Characteristics and modes of origin of weeds. In: Baker HG, Stebbins GL (eds), The Genetics of Colonizing Species. Academic Press, New York, pp 147–172
4. Baker HG (1972) Migrations of weeds. In: Valentine DH (ed), Taxonomy, Phytogeography and Evolution. Academic Press, London, pp 327–547
5. Baker HG (1974) The evolution of weeds. Annu Rev Ecol Syst 5: 1–24