Figure 1. South west Australian floristic region: sites where introduced generalist viruses were found infecting native plants.

Insets 1 and 2 show where natural infection with introduced generalist viruses was detected in 2001 and 2009. Inset 1 shows the overall sampling area and Inset 2 shows the urban Perth area. The red spot symbols and place names indicate positions of individual sampling sites with positive virus detections. For an explanation of which viruses were found at each site see Table 5.