Където Плевел
Северна Америка | Weed Science Society of America (2010) - Composite List of Weeds |
Европа | NOBANIS - European Network on Invasive Alien Species |
Великобритания и Ирландия | NOBANIS - European Network on Invasive Alien Species |
Нова Зеландия | C. Howell (2008) - Consolidated List of Environmental Weeds in NZ |