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	Purple Loosestrife (Site not responding. Last check: 2007-11-04)
		Purple loosestrife has flowers with 5 to 7 purple petals; the leaves are opposite or in whorls of 3, all lacking teeth; and it has a stiff 4-sided stem that may appear woody at the base of large plants.
		Purple loosestrife is an herbaceous perennial that may be from 3 to 10 feet tall, with an average height of 5 feet, and it flowers from early July to early September.
		Purple loosestrife is endemic to the Old World, it was introduced to North America in the 1800's and for nearly a century it occurred as a pioneering species on the northeastern seaboard.
	www.inhs.uiuc.edu /chf/outreach/VMG/ploosestrife.html (1487 words)

	IPAW-Purple Loosestrife (Site not responding. Last check: 2007-11-04)
		Purple loosestrife (Lythrum salicaria) is a nuisance exotic weed that is extremely invasive in Wisconsin’s wetlands.
		Purple loosestrife is a perennial herb 3-7 feet tall with a dense bushy growth of 1-50 stems.
		Purple loosestrife displaces native wetland vegetation and degrades wildlife habitat.
	www.ipaw.org /invaders/loosestrife/index.htm (679 words)

	Parks & Waterways - Purple loosestrife guide - Christchurch City Council
		Purple loosestrife is a serious weed of wetlands and waterway margins.
		Purple loosestrife is also currently the subject of a small-scale management programme, under Section 100 of the Biosecurity Act.
		Purple loosestrife has the potential to be as serious a problem as weeds like old mans beard, gorse and broom, but at this stage it is manageable.
	www.ccc.govt.nz /parks/TheEnvironment/loosestrife.asp (823 words)

	Vermont Wetlands Section - Purple Loosestrife
		Purple loosestrife (Lythrum salicaria) is a perennial plant native to Europe.
		Purple loosestrife has little value as food for animals, and populations of the plant become so thick that they cannot serve as cover for wildlife.
		While there is public support for the biological control of purple loosestrife in Vermont, the number of beetles reared and released is currently limited by space at the Waterbury rearing compound, a staff number of two, and a limited budget.
	www.anr.state.vt.us /dec/waterq/wetlands/htm/wl_purpleloosestrife.htm (985 words)

	CWMA Purple loosestrife
		In Colorado, purple loosestrife is known to occur in the Denver/Boulder area and downstream along the South Platte River, in Mesa County along the Colorado River, in Montrose County near Nucla, in Otero County near the Arkansas River, and in Colorado Springs.
		Purple loosestrife is a native of Eurasia and was first recorded in America in 1814 (Bender and Randall 1987).
		Purple loosestrife is a perennial that reproduces by seeds and rhizomes.
	www.cwma.org /nx_plants/purp.htm (833 words)

	Lythrum salicaria - Purple Loosestrife - A Probem Aquatic Plant in the Western USA
		Purple loosestrife is invasive and competitive and unavailing to native wildlife.
		Purple loosestrife occurs in freshwater and brackish wetlands.
		Purple loosestrife is a perennial, emergent aquatic plant that grows from a persistent tap root and spreading root stock.
	www.wapms.org /plants/purpleloosestrife.html (3039 words)

	PDA: Plant Pests & Weeds - Purple Loosestrife
		Purple loosestrife is an aggressive plant that is invading our wetlands, replacing valuable wetland plants; eliminating food and shelter for wildlife; and choking waterways.
		As purple loosestrife invades a wetland, both wildlife and recreation are lost.
		No Imporant Enemies: Because purple loosestrife was brought to the United States from Europe, the insects and diseases that control it there were left behind.
	www.agriculture.state.pa.us /agriculture/cwp/view.asp?q=128376 (1082 words)

	Weber County Weed Abatement - Purple Loosestrife (Site not responding. Last check: 2007-11-04)
		Purple Loosestrife is a tall, showy plant found in several areas of Weber County.
		A grant for $200.00 was obtained from Partners for Wildlife as a result of the sightings of Purple Loosestrife along some drainage and irrigation ditches in the northwestern part of the County.
		To the surprise of the crew, Purple Loosestrife was found along the riverbanks and in dry flood channels for most of length of the river between 1900 West and 4700 West.
	www.co.weber.ut.us /weeds/types/p_loosestrife.asp (493 words)

	IA DNR: Purple Loosestrife
		Purple loosestrife (Lythrum salicaria) is a wetland plant from Europe and Asia.
		Purple loosestrife is an herbaceous perennial characterized by long showy spikes of magenta flowers.
		Purple loosestrife has flowers with 5 to 7 petals which occur in dense clusters on terminal spikes and which bloom from June to September.
	www.iowadnr.com /fish/news/exotics/loose.html (502 words)

	Something's Bugging Purple Loosestrife: Minnesota Conservation Volunteer: Minnesota DNR
		Purple loosestrife (Lythrum salicaria) a showy perennial plant of Eurasia, is invading wetland and lakeshore habitats across North America.
		Loosestrife seed was inadvertently transported in the ballast of ships carrying goods and people between the Old World and New World in the 1800s.
		Purple loosestrife became established on the East Coast in the early 1800s and spread westward.
	www.dnr.state.mn.us /volunteer/marapr98/loosestrife.html (1626 words)

	Identification and Control of Purple Loosestrife
		Purple loosestrife, a beautiful garden plant with an aggressive nature, was first introduced into North America in the early 1800s.
		Purple loosestrife was added to the North Dakota Noxious Weed List in 1996 and state law requires all plants to be removed to prevent this plant from becoming a major weed problem in the wetlands of the state.
		Purple loosestrife is a rhizomatous perennial forb introduced to North America from Eurasia and Africa.
	www.ag.ndsu.edu /pubs/plantsci/weeds/w1132w.htm (2283 words)

	WDNR - Invasive Plant Species - Purple Loosestrife(Lythrum salicaria)
		Purple loosestrife is a wetland herb that was introduced as a garden perennial from Europe during the 1800's.
		Purple loosestrife was first detected in Wisconsin in the early 1930's, but remained uncommon until the 1970's.
		Purple loosestrife has also been planted in lawns and gardens, which is often how it has been introduced to many of our wetlands, lakes, and rivers.
	www.dnr.state.wi.us /invasives/fact/loosestrife.htm (868 words)

	Purple Loosestrife (Lythrum salicaria) - A Noxious Wetland Weed in Washington (Site not responding. Last check: 2007-11-04)
		Purple loosestrife (Lythrum salicaria) is a Eurasian native perennial wetland plant which is responsible for the degradation of a considerable amount of wetland habitat in the United States.
		Invasion of North American wetlands by purple loosestrife began in the early nineteenth century when the plant was introduced both as a contaminant of European ship ballast and as a valued medicinal herb for treatment of diarrhea, dysentery, and ulcers.
		Purple loosestrife prefers to grow in marshes, ponds, stream banks, ditches, and lake shores; occasionally it can be found in upland areas.
	www.ecy.wa.gov /programs/wq/plants/weeds/purple_loosestrife.html (697 words)

	Purple Loosestrife (Site not responding. Last check: 2007-11-04)
		Purple loosestrife (Lythrum salicaria) is not a native species; it was introduced to North America in the early 1800's from Eurasia.
		In marshes where a loosestrife seed source is present, the plant can be expected to colonize exposed areas in high densities with great speed.
		Purple loosestrife does not provide the necessary shelter and food sources.
	www.lakeheadca.com /lsstrife.htm (667 words)

	Purple Loosestrife
		Purple loosestrife is a beautiful perennial plant that has a dark side.
		Neil O. Anderson and Peter D. Ascher in the Department of Horticultural Science at the University of Minnesota, have conducted thorough investigations on the fertility of purple loosestrife and several of the cultivars of Lythrum.
		Although purple loosestrife is an attractive plant and banning its sale may result in lost revenue by some perennial growers, it can be a noxious weed.
	www.ipm.iastate.edu /ipm/hortnews/1995/5-5-1995/purploos.html (635 words)

	EEK! - Purple Loosestrife
		Garden varieties of loosestrife have also been proven to pollinate with purple loosestrife and help it multiply.
		When purple loosestrife gets a foothold, the habitat where fish and wildlife feed, seek shelter, reproduce and rear young, quickly becomes choked under a sea of purple flowers.
		The best time to control purple loosestrife is June through August when it's in flower and before it goes to seed.
	www.dnr.state.wi.us /org/caer/ce/eek/veg/plants/purpleloosestrife.htm (718 words)

	Purple Loosestrife at MNWR
		Purple loosestrife, the beautiful purple plant found throughout Montezuma National Wildlife Refuge and other wetlands and moist soil areas, is an exotic species of Eurasian origin and a threat to the viablity of North American wetland habitats.
		In Europe and Asia purple loosestrife is a minor component of wetland habitats and not the dominant species it tends to be in North American wetlands.
		Purple loosestrife began to appear at the Oak Orchard and Towanda Wildlife Management Areas in the 1960's and early '70s; by 1990 it was rapidly spreading.
	www.fws.gov /R5MNWR/mnwrls.html (973 words)

	Purple Loosestrife (Lythrum salicaria)
		Each flower is about ½–1" across, consisting of 6 purple petals, a green tubular calyx, 6 or more stamens, and a pistil with a stigma that is green and knobby.
		Purple Loosestrife often escapes from cultivation and invades wetlands, sometimes forming dense stands that exclude other plants.
		This latter species is a smaller and less aggressive plant with winged stems, while the stems of Purple Loosestrife are usually round (sometimes 4-angled).
	www.illinoiswildflowers.info /weeds/plants/pp_loosestrife.htm (591 words)

	Purple Loosestrife (Lythrum salicaria) - A Noxious Wetland Weed in Washington (Site not responding. Last check: 2007-11-04)
		Purple loosestrife disrupts wetland ecosystems by displacing native plants and animals.
		Purple loosestrife seeds are not considered part of the diet of the red-winged flbird (Balogh 1986).
		Their damaging impact on purple loosestrife populations was evident in the Winchester Wasteway area of Grant County in 1997 and 1998.
	www.ecy.wa.gov /programs/wq/plants/weeds/aqua009.html (3248 words)

	PCA Alien Plant Working Group - Purple Loosestrife (Lythrum salicaria)
		Purple loosestrife is an erect perennial herb in the loosestrife family, with a square, woody stem and opposite or whorled leaves.
		Purple loosestrife is capable of invading many wetland types, including freshwater wet meadows, tidal and non-tidal marshes, river and stream banks, pond edges, reservoirs, and ditches.
		Purple loosestrife was introduced to the northeastern U.S. and Canada in the 1800s, for ornamental and medicinal uses.
	www.nps.gov /plants/alien/fact/lysa1.htm (804 words)

	NPWRC :: Spread, Impact, and Control of Purple Loosestrife (Lythrum salicaria) in North American Wetlands
		Purple loosestrife (Lythrum salicaria L.) is an erect, herbaceous perennial of Eurasian origin that became established in the estuaries of northeastern North America by the early 1800's.
		Recent records indicate that purple loosestrife is also tolerant of soils and climates beyond these regions and threatens to become a serious problem in wetlands and irrigation systems in the Great Plains and the Far West.
		Figure 2 -- Distribution of purple loosestrife, broad-leaved cattail, and reed canarygrass in the Northern Hemisphere.
	www.npwrc.usgs.gov /resource/plants/loosstrf/index.htm (993 words)

	minnesota sea grant - outreach - exotic species - purple loosestrife: what you should know, what you can do
		Purple loosestrife is a very hardy perennial which can rapidly degrade wetlands, diminishing their value for wildlife habitat.
		In areas of severe purple loosestrife infestation, manual and chemical control efforts are ineffective and may in fact contribute to the problem.
		Garden varieties of loosestrife, which were once thought to be sterile, have been proven to cross pollinate with wild purple loosestrife to produce viable seed.
	www.seagrant.umn.edu /exotics/purple.html (2929 words)

	Purple Loosestrife Identification
		Purple loosestrife has square stems, which help to tell it apart from some of the look-alikes that grow in the same areas.
		Loosestrife's appearance is similar to fireweed and spirea and often co-habitates with garden loosestrife.
		Purple loosestrife is native to Europe and Asia, and was initially introduced to the northeastern seaboard of the United States in the ballast of ships in the 1800's.
	dnr.metrokc.gov /wlr/LANDS/Weeds/lstrife.htm (419 words)

	Michigan Sea Grant Purple Pages - FAQ
		Purple loosestrife (Lythrum salicaria) is a perennial plant native to Europe and Asia which has become widely established in the US and Canada.
		In established infestations where millions of purple loosestrife seeds are present in the soil, care must be taken not to spread them on muddy boots or equipment.
		Because they survive exclusively on purple loosestrife the number of the beetles in any area is expected to rise and fall based on the amount of loosestrife present.
	www.miseagrant.umich.edu /pp/faq.html (1649 words)

	Purple Loosestrife-Exotic Aquatics on The Move
		Purple loosestrife: what you should know, what you can do, Minnesota Sea Grant, http://www.seagrant.umn.edu/exotics/purple.html; 2.
		Purple loosestrife is found in all contiguous states (except Florida) and all Canadian provinces.
		Horticultural varieties of purple loosestrife were once thought to be sterile, but recent studies have shown that this is untrue.
	www.iisgcp.org /EXOTICSP/purple_loosestrife.htm (2363 words)

	purple loosestrife: Lythrum salicaria (Myrtales: Lythraceae)
		Purple loosestrife is a tall, perennial forb that can grow up to 10 feet in height.
		Purple loosestrife is a serious invader of many types of wetlands, including wet meadows, prairie potholes, river and stream banks, lake shores, tidal and non-tidal marshes, and ditches.
		Purple loosestrife is native to Europe and Asia.
	www.invasive.org /browse/subject.cfm?sub=3047 (345 words)

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