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	Giant Hogweed - Wikipedia, the free encyclopedia
		Giant Hogweed (Heracleum mantegazzianum), or Giant Cow-parsley, is a member of the family Apiaceae, native to the Caucasus Region and Central Asia.
		It is further distinguished by a stout, dark reddish-purple stem and spotted leaf stalks that are hollow and produce sturdy bristles.
		Giant Hogweed is a perennial with tuberous rootstalks which form perennating buds each year.
	en.wikipedia.org /wiki/Giant_Hogweed (689 words)

	Giant Hogweed (Heracleum mantegazzianum) - A Noxious Plant in Washington (Site not responding. Last check: 2007-09-19)
		Giant hogweed is a tenacious perennial which is difficult to eradicate.
		Giant hogweed is native to the Caucasus mountains and southwestern Asia.
		Giant hogweed may colonize a wide variety of habitats but is most common along roadsides, other rights-of-way, vacant lots, streams and rivers.
	www.ecy.wa.gov /programs/wq/plants/weeds/aqua012.html (1460 words)

	Giant Hogweed
		Giant Hogweed (Heracleum mantegazzianum) is a perennial plant that can grow 4 – 6 metres (15 - 20 feet) tall and has stout, dark reddish-purple stems with spotted leaf stalks.
		Giant Hogweed may colonize in a variety of habitats but is commonly found along roadsides, wooded open space areas between residential communities, streams, and rivers.
		After contact with Giant Hogweed, exposure to sunlight may cause severe blistering, burns, and sometimes inflamed linear lesions on the skin.
	www.publichealthgreybruce.on.ca /hazard/GiantHogweed.htm (446 words)

	Giant Hogweed removal 2002 (Site not responding. Last check: 2007-09-19)
		Giant Hogweed is typically a biennial/perennial umbelifferae, sometimes reaching a height of 5 metres with flowering heads up to a metre across.
		Giant Hogweed's density and lack of persistant and binding root structure contribute to bank errosion.
		Up to the 25th June all giant hogweed removed was burnt at the designated plot, however as there's little chance of any of the cut heads, stems, and roots growing, I have decided to compost them rather than waste their bio-mass and that of the wood required to burn them.
	www.rogerlovejoy.co.uk /elf/invasive/gt-hogweed (315 words)

	Giant Hogweed in Connecticut
		Giant Hogweed (Heracleum mantegazzianum), an invasive, non-native plant that was confirmed in 2001 as a new state record in West Cornwall, Litchfield County, Connecticut continues to persist in 2005.
		Giant hogweed is a biennial or perennial herbaceous plant that reaches up to 15 feet in height.
		Giant hogweed has negative impacts to the environment as well, displacing native flora on riverbanks and in disturbed sites such as waste areas and along railroads.
	www.hort.uconn.edu /cipwg/giant_hogweed.html (251 words)

	Genesis - Giant Hogweed
		The invasion of the giant hogweed is puzzling British agriculturists and scientists.
		Dr Forbes describes the smell of giant hogweed as "unpleasant - a mixture of parsnips, celery, parsley and carrots." In fact, giant hogweed is related to the parsnip family but the family connections are loose, and don't extend to the nutritious aspects of its milder and more congenial cousins.
		Giant hogweed poses a serious threat along British waterways and in areas of uncultivated land.
	folk.uio.no /stephanf/baerklau/genesis.html (743 words)

	Giant Hogweed
		Giant hogweed is a perennial member of the Parsley or Carrot Family native to Asia.
		Giant hogweed will grow in a variety of habitats but is most frequently found adjacent to streams, creeks, roads, in vacant lots or in rights of ways.
		Giant hogweed's tenacious and invasive nature allows it to readily occupy and crowd out native vegetation.
	www.agf.gov.bc.ca /cropprot/gianthogweed.htm (343 words)

	07/05/98 The Perils of Giant Hogweed
		Giant hogweed is a huge, dramatic plant that was introduced as a garden ornamental from Europe, botanically named Heracleum mantegazzianum.
		Giant hogweed, which may reach 15 feet in height, is an introduced weed that has now been added to the Washington state noxious weed list, as a Class A weed, meaning that eradication is a high priority.
		Giant hogweed soars to 10 or 15 feet.
	gardening.wsu.edu /column/07-05-98.htm (928 words)

	GIANT HOGWEED
		Giant hogweed exudes a clear watery sap containing furanocoumarin glycosides (psoralens) photosensitizing skin to remarkably severe UV damage.
		Giant hogweed is on the undesirable weed A-list for confiscation and prosecution.
		"The giant hogweed may hold the secret to curing cancer, curing AIDS, or even human immortality," said a Birkenstock-shod Enviro-whiner woman with luxuriant fragrant matted clots of hair erupting from her humid armpits, "it is the unequaled anodyne for all sorts of unknown hazards.
	www.mazepath.com /uncleal/hog.htm (726 words)

	Giant Hogweed Information
		Giant hogweed is present along roadsides, in vacant lots and along streams and rivers.
		Giant hogweed is commonly misidentified with other similar looking species.
		For assistance in identification of giant hogweed, there is a comparison chart which compares images of giant hogweed with that of other similar species.
	invasives.eeb.uconn.edu /ipane/ipanespecies/hogweed.htm (274 words)

	Giant Hogweed Identification
		Giant Hogweed is originally from Asia and was introduced as an ornamental.
		Giant hogweed flowers mid-May through July, with numerous white flowers clustered in an umbrella-shaped head that is up to 2.5 feet in diameter across its flat top.
		For more detailed information on controlling giant hogweed in King County, please read the giant hogweed best management practices (142 KB Acrobat file, 20 seconds on 56K modem).
	dnr.metrokc.gov /wlr/lands/weeds/hogweed.htm (431 words)

	Giant Hogweed
		Giant Hogweed is a public health hazard that ranks up there higher that poison ivy, poison oak and poison sumac in respect to its potential to harm humans.
		Giant Hogweed (Heracleum mantegazzianum) is a member of the carrot or parsley family.
		The plant most often mistaken for Giant Hogweed is cow parsnip due to the similar appearance and the fact that cow parsnip is widespread in Michigan.
	www.michigan.gov /mda/0,1607,7-125-1568_2390_34686---,00.html (663 words)

	Giant Hogweed in Connecticut
		Contact someone from the CT Invasive Plant Working Group to report the location of the giant hogweed plants.
		Do not use a "weed-whacker" or brush-cutter blade to cut giant hogweed because its sap could be splattered on you as stems are cut.
		Reports suggest that giant hogweed seeds can remain viable in the soil for 7 years, so long-term monitoring is important.
	www.hort.uconn.edu /cipwg/hogctrlw.html (686 words)

	Giant Hogweed
		Giant hogweed produces flattened, oval-shaped fruit with a broad, rounded base and wide marginal ridges.
		Giant hogweed, which is native to the Caucasus, has been introduced into Europe, Great Britain, Canada, and the United States.
		Giant hogweed is likely to naturalize in many of the places where it has been first introduced.
	www.ceris.purdue.edu /napis/a-facts/fsgsghw.html (632 words)

	MDAR - Pest Alert - Giant Hogweed
		A biennial or perennial herb growing 8 to 15 feet tall, giant hogweed usually has a taproot or occasionally fibrous root.
		The hollow stems are 2 to 4 inches in diameter with dark reddish-purple splotches and coarse white hairs.
		Click here for a comparison of giant hogweed and similar species.
	www.mass.gov /agr/pestalert/giant_hogweed.htm (269 words)

	giant hogweed: Heracleum mantegazzianum (Apiales: Apiaceae)
		Giant hogweed is a tall (up to 15-20 feet in height), herbaceous, biennial plant that invades disturbed areas across both the Northeast and Pacific Northwestern United States.
		Giant hogweed is designated as a federal noxious weed because the sap it produces can cause skin sensitivity to UV radiation, leading to blistering and severe burns.
		Giant hogweed is native to Europe and Asia.
	www.invasive.org /browse/subject.cfm?sub=4536 (280 words)

	Giant Hogweed
		He identified the plant as either cow-parsnip or giant hogweed, but he also warned her not to touch it as the giant hogweed is poisonous.
		A native of the Caucasus Mountains in Russia, giant hogweed was brought to this country to serve as a garden exotic.
		Because of its danger to those who are allergic and especially to children, botanists suggest destroying giant hogweed wherever it grows wild.
	www.acsu.buffalo.edu /~insrisg/nature/nw99/hogweed.html (682 words)

	Giant Hogweed - Information
		Giant hogweed is a member of the parsley or carrot family, Apiaceae (Umbelliferae).
		As its name indicates, it is characterized by its size and may grow 15 to 20 feet tall.
		Removing the green growth will help to exhaust the root and will weaken the plant, so digging it out and chopping it is feasible.
	www.letsgogardening.co.uk /Information/GiantHogweed.htm (264 words)

	Giant Hogweed (Site not responding. Last check: 2007-09-19)
		Giant Hogweed is a member of the carrot or parsley family (Apiaceae) that was introduced into North America in the early 1900s.
		I also have a flyer on identification of Giant Hogweed in the office.
		Source: Giant Hogweed (Heracleum mantegazzianum), an attractive but dangerous, noxious weed.
	www.umext.maine.edu /piscataquis/gardening/vol2iss7/hogweed.htm (194 words)

	Giant Hogweed (Site not responding. Last check: 2007-09-19)
		Giant hogweed represents a threat to both public health and the environment.
		In the environment, plants are now escaping home gardens and becoming problematic in riparian areas, excluding native vegetation and causing erosion problems.
		It is important to recognize giant hogweed and not spread it through garden use or by collecting and drying the flower heads.
	whatcom.wsu.edu /ag/homehort/weed/hogweed.htm (268 words)

	Plant Invaders of Mid-Atlantic Natural Areas: Giant Hogweed (Site not responding. Last check: 2007-09-19)
		Giant hogweed was introduced from Eurasia around 1917 for use as an ornamental plant.
		It is a tall, showy member of the parsley family (Apiaceae), growing from 8 to 14 feet in height.
		Giant hogweed has escaped cultivation and may become established in rich, moist soils along roadsides, stream banks and disturbed areas.
	www.nps.gov /plants/alien/pubs/midatlantic/hema.htm (146 words)

	Oregon Department of Agriculture Plant Division Noxious Weed List (Site not responding. Last check: 2007-09-19)
		Background: Giant hogweed grows as a native in the Caucasus Mountains, a region of Asia between the Black and Caspian seas.
		Planted as a curiosity in arboretums and private gardens in Europe and North America early in the twentieth century, soon escaped and naturalized in surrounding areas, especially riparian and urban sites.
		Identification: Giant hogweed is a member of the carrot or parsley family and its most impressive characteristic is its massive size.
	egov.oregon.gov /ODA/PLANT/weed_alert_hogweed.shtml (212 words)

	Giant Alien
		Giant Hogweed (Heracleum mantegazzianum) a pernicious invasive weed: Developing a sustainable strategy for alien invasive plant management in Europe
		Background information and management guidelines mainly refers to Giant Hogweed (Heracleum mantegazzianum) but is also usable for the closely related H.
		The manual seeks to prevent Giant Hogweed and other species from displacing native plant and animal species, thereby conserving biodiversity across Europe.
	www.giant-alien.dk (123 words)

	PestTracker Invasive Weed: Giant Hogweed, Heracleum mantegazzianum
		07.13.2005 Giant Hogweed update: All-time 2005 [MD - new county Garrett, July 07]
		05.31.2005 Giant Hogweed [MA - new cnty, Norfolk]
		05.03.2005 Giant Hogweed (delayed 2004 report) [OR-new county - Tillamook]
	ceris.purdue.edu /napis/pests/ghw (97 words)

	Invasive Species of Massachusetts (Site not responding. Last check: 2007-09-19)
		Use this form to report a possible giant hogweed site.
		The information you provide will be reviewed to determine the likelihood that the plant is giant hogweed.
		You may be contacted by a state inspector if we feel further investigation is necessary.
	www.massnrc.org /pests/hogweedreport.aspx (119 words)

	Plant Profile for Heracleum mantegazzianum (giant hogweed) \| USDA PLANTS
		Plant Profile for Heracleum mantegazzianum (giant hogweed)
		Click on a scientific name below to expand it in the PLANTS Classification Report.
		Heracleum mantegazzianum Sommier & Levier – giant hogweed
	plants.usda.gov /java/profile?symbol=HEMA17 (319 words)

	Giant Hogweed - Flytalk (Site not responding. Last check: 2007-09-19)
		So, getting back to my roots (pun not intended) I recently decided to look into what much of it means.
		In doing so (for the song Return Of The Giant Hogweed, from the Nursery Crymes album, which you can hear HERE ), I came across this bit of interesting foliage phenomena.
		Since it grows near water, it may be of interest to fly guys out west (and worldwide it appears)!
	www.flyfishingforum.com /flytalk4/showthread.php?t=1319 (175 words)

	GIANT HOGWEED or Heracleum mantegazzianum (Site not responding. Last check: 2007-09-19)
		The sap from the leaves and particularly the stem is highly toxic and contact with the skin can lead to severe scars.
		If you do come into contact with the plant, and especially the sap, you are advised to wash the affected areas immediately, keep them out of direct sunlight and seek medical advice.
		Links to information about Giant Hogweed and what to do if
	ch.ci.holyoke.ma.us /hogweed_links.htm (106 words)

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