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Parrot's Feather

A popular aquatic garden plant that spreads with water currents, animals, boats/trailers and fishing gear. Dense stands can stagnate water, and increase breeding grounds for mosquitoes

Zebra/Quagga Mussels

These tiny freshwater mussels clog drains, damage infrastructure, and are very costly to control/eradicate learn more »

Giant Hogweed

A towering toxic invasive plant with WorkSafe BC regulations learn more »

European Fire Ant

A tiny ant with a toxic sting learn more »

Purple Loosestrife

An aggressive wetland invader that threatens plant and animal diversity learn more »

Japanese Knotweed

Grows aggressively through concrete, impacting roads and house foundations learn more »

Spotted Knapweed

A single plant spreads rapidly with up to 140,000 seeds per square metre learn more »

Scotch Broom

An evergreen shrub that invades rangelands, replaces forage plants, causes allergies in people, and is a serious competitor to conifer seedlings learn more »

Orange Hawkweed

Also yellow, these invasive plants replace native vegetation along roadsides, and threaten areas not yet reforested learn more »

News on Invasives

Superbug released to fight Japanese Knotweed

Western Morning News (UK), Sept. 23, 2015: A superbug has been imported to Britain and released in the hope of stopping the rampant spread of one of the biggest garden menaces - Japanese Knotweed.

National Forest Week: Mountain Pine Beetle Fire Facts

Invasive Species Centre, Sept. 22, 2015: It's National Forest Week September 20 to 26, 2015. At one time, wildfires controlled Mountain Pine Beetle naturally, but modern fire suppression efforts have increased Mountain Pine Beetle spread. Learn all the facts on Mountain Pine Beetle.

Pitcher Plant Pitches In Against Invasive Hornet

Canada Free Press, Sept. 21, 2015, by Wes Porter: By a strange turn of fate, Canada’s Purple Pitcher Plant, Sarracenia purpurea, is assisting France in its battle the invasive and aggressive Asia hornet.

Invasive Species Threatens U.S. Tomato Crops

Labratory Equipment/Virginia Tech, Sept. 22, 2015: The rapid spread of a highly destructive invasive species that threatens tomato crops has prompted a Virginia Tech scientist to lead the charge in issuing a set of recommendations, including quarantine measures, designed to thwart the advance of the pest around the globe.

Portland students join the fight against invasive aquatic species

Portland Forecaster, Sept. 21, 2015 by Colin Ellis: PORTLAND — When the Department of Environmental Protection called for help, seventh-graders at King Middle School answered. The DEP asked a group of students at the school to build 35 submersible, remotely operated vehicles to investigate invasive species of aquatic plants. 

Greater sage grouse protection rejected by federal government

Oregonlive.com/The Associated Press, Sept. 22, 2015, by BILLINGS, Mont. —The Interior Department said Tuesday that the greater sage grouse, a ground-dwelling bird whose vast range spans 11 Western states, does not need federal protections following a costly effort to reverse the species' decline without reshaping the region's economy.

Oregon ranchers, environmentalists brace for sage grouse listing decision

Oregonlive.com, Sept. 21, 2015, by Kelly House: DREWSEY – The ranchers here gauge the status of Harney County's greater sage grouse population by sight.

Alberta Town Hopes To Rid Ponds Of Invasive Goldfish

Huffpost Alberta/The Canadian Press, Sept. 22, 2015: HIGH RIVER, Alta. — There's something fishy about the storm water ponds in a town in southern Alberta.

Invasives for sale in East Kootenay

Cranbrook Daily Townsman, Aug. 26, 2015, by Barry Coulter: It may strike one as surreal, but in the midst of an on-going awareness campaign about invasive species and an on-going battle against them, some of these species are for sale to gardeners in the East Kootenay.

Ranchers applaud $211 million boost to sage grouse protection in Oregon

Capital Press, Sept. 3, 2015, by Eric Mortenson: USDA chief Tom Vilsack has announced a $211 million boost to the Sage Grouse Initiative. Oregon ranchers say greater sage grouse collaboration with federal agencies is paying off.

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