Veronica arvensis L.:
Argentina (South America)
Canada (North America)
Chile (South America)
Colombia (South America)
Costa Rica (Mesoamerica)
Ecuador (South America)
Greenland (North America)
Guatemala (Mesoamerica)
Japan (Asia)
Mexico (Mesoamerica)
Panama (Mesoamerica)
Peru (South America)
Sri Lanka (Asia)
United States (North America)
South Africa (Africa & Madagascar)
China (Asia)
Turkmenistan (Asia)
Tajikistan (Asia)
Pakistan (Asia)
Kazakhstan (Asia)
Kyrgyzstan (Asia)