Heracleum (Apiaceae)

Heracleum Sites:

Giant Hogweed or Heracleum mantegazzianum Giant Hogweed or Heracleum mantegazzianum: Images of this infamous weed. (Heracleum) http://ch.ci.holyoke.ma.us/hogweed_links.htm Giant Hogweed (Heracleum mantegazzianum) Giant Hogweed (Heracleum mantegazzianum): Description and images of this invasive weed. (Heracleum) http://www.ecy.wa.gov/programs/wq/plants/weeds/aqua012.html Invasive Species: Hogweed Profile Invasive Species: Hogweed Profile: Extensive list of links to weed fact sheets about Heracleum mantegazzianum. (Heracleum) http://www.invasivespecies.gov/profiles/hogweed.shtml