Publications for:

pest = Heracleum mantegazzianum (weed)
country = Canada (west)

found 2 publications:

2009

EPPO data sheet on Invasive Alien Plants - Heracleum mantegazzianum, Heracleum sosnowskyi and Heracleum persicum
EPPO Bulletin (2009) 39 (3), 489-499
publishers website - pestinfo wiki

2006

The biology of invasive alien plants in Canada. 4. Heracleum mantegazzianum Sommier & Levier
Canadian Journal of Plant Science (2006) 86 (2), 569-589
publishers website - pestinfo wiki