1. Alberti M (2009) Advances in urban ecology: integrating humans and ecological processes in urban ecosystems. Springer, New York
2. Baker H, Stebbins GL (1965) The genetics of colonizing species: proceedings. Academic Press, New York
3. Biehler DD (2013) Pests in the city: flies, bedbugs, cockroaches, and rats. University of Washington Press, Seattle
4. Blackburn TM, Essl F, Evans T et al (2014) A unified classification of alien species based on the magnitude of their environmental impacts. PLoS Biol 12:e1001850. doi: 10.1371/journal.pbio.1001850
5. Bornkamm R (1975) Some observations on weed communities in the city of Durham, North Carolina, USA. Beitr Naturk ForschSüdw, pp 15–24