Why should weed scientists care about genomics? / William K. Vencill -- An introduction to molecular genetic and genomic techniques / Chhandak Basu and Sam R. Zwenger -- Arabidopsis is not a weed, and mostly not a good model for weed genomics; there is no good model for weed genomics / Jonathan Gressel -- Model weeds for genomics research / Wun S. Chao and David P. Horvath -- 21st-century weed science: a call for amaranthus genomics / Patrick J. Tranel and Federico Trucco -- Evolutionary genomics of weedy rice / Briana L. Gross and Kenneth M. Olsen -- Rhizomatousness: genes important for a weediness syndrome / Andrew H. Paterson -- Leafy spurge: an emerging model to study traits of perennial weeds / David P. Horvath and James V. Anderson -- Herbicide resistance: target site mutations / Christopher Preston -- Molecular and genomic mechanisms of non-target-site herbicide resistance / Jun Hu ... [et al.] -- An herbicide defense trait that is distinct from resistance: the evolutionary ecology and genomics of herbicide tolerance / Regina S. Baucom -- The genomics of plant invasion: a case study in spotted knapweed / Amanda K. Broz and Jorge M. Vivanco -- Molecular ecology of plant competition / Dominik D. Schmidt, Merijn R. Kant, and Ian T. Baldwin -- Genomics and weeds: a synthesis / Stephen O. Duke, Scott R. Baerson, and Jonathan Gressel.