Map of thirteen floristic change studies from New England and New York included in this review. Here, the label ‘Worcester’ indicates the floristic change studies for both the city of Worcester and Worcester county. More information on the original papers documenting floristic change at each location can be found in Table 1. Created with ggmap (Kahle and Wickham 2013), map tiles by Stamen Design, under CC BY 3.0, data © OpenStreetMap contributors.