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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

SFU biologist discovers dangerous mosquito close to home

The Peak, Nov. 23, 2015 by Anthony Bianco: Getting a mosquito bite in the Metro Vancouver area just got more risky. Aedes japonicus, an invasive mosquito that can transmit several viral diseases, has been found for the first time in Western Canada, in Maple Ridge.

Invasive species hop on tourists worldwide

Mongabay.com, Nov. 20, 2015 by Amy McDermott: Invasive species are great hitchhikers. They float in the ballast of ships, lurk in luggage, stick to unwashed sports gear, and cling to the soles of hiking boots. Scientists focus on stopping them from spreading because, once a new species gets rooted, it is expensive to manage and nearly impossible to remove.

Swan Lake sanctuary taps into accolades

Saanich News, Nov. 19, 2015: Swan Lake Christmas Hill Nature Sanctuary received a water stewardship award for work to restore the floodplain area around Swan Lake, to remove invasive species and restore native species.

Biggest invader in Squamish area is Japanese knotweed

Squamish Chief, Nov. 19, 2015, by Mike Chouinard: Japanese knotweed and giant hogweed are not welcome in Squamish. Knotweed, in particular, has presented a challenge in recent years as an invasive species.

Ex-PRRD director wants stricter control over what he sees as possible weed epidemic

Northeast News, Nov. 16, 2015 by Stacy Thomas: DAWSON CREEK – Former Peace River Regional District (PRRD) director Arthur Hadland was at the PRRD meeting Nov. 12 to advocate for a harder defence against what he says could be the downfall of the region’s agricultural economy: the encroachment of a weed called scentless chamomile.

Putting invasive species to good use

Campbell River Mirror, Nov. 13, 2015: The Invasive Species Council calls it “a serious, smothering invasive” in southwestern B.C. Now you can put English ivy to good use and learn to weave it into a simple Christmas gift basket.

Scentless chamomile major problem for B.C.‘s Peace River farms

CBC News, Radio West, Nov. 12, 2015: Tea drinkers often enjoy chamomile tea for its relaxing properties, but in B.C.'s Peace Region, a noxious weed called scentless chamomile is proving anything but peaceful for farmers.

Chafer beetles outbreak causes torn up lawn at Vancouver’s City Hall

Global News, Nov. 8, 2015 by Justin McElroy: Drought conditions exacerbated Vancouver’s chafer beetle problem this summer, says the city’s park board chairman.

Disease-carrying mosquito species found in B.C.

Globe and Mail, Nov. 6, 2015: A species of invasive, disease-carrying mosquito has been found in British Columbia — the first such discovery in Western Canada.

Research suggests marine invasive species benefit from rising CO2 levels

Phys.org, Nov. 6, 2015 by Andrew Merrington: Ocean acidification may well be helping invasive species of algae, jellyfish, crabs and shellfish to move to new areas of the planet with damaging consequences, according to the findings of a new report.

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