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Invasive Species Research Conference

Turning Science into Action! Co-hosted by Thompson Rivers University and the Invasive Species Council of BC. learn more »

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 »

Invasive Plants

Baby’s Breath

Baby’s breath (Gypsophila paniculata) is a herbaceous perennial plant that invades grazing land and out-competes native and introduced perennial grasses. Plants flourish in the well-drained sandy...Learn more

Bachelor’s Buttons

Known as “cornflower” in southern Europe where this annual species is native and a common weed in grain (“corn”) fields. Bachelor’s buttons has striking...Learn more

Blueweed

Blueweed (Echium vulgare) is a biennial to short-lived perennial, and considered regionally noxious under the BC Weed Control Act. Blueweed is commonly found on...Learn more

Bur Chervil

Bur Chervil (Anthriscus caucalis) is an annual forb plant which has adapted to establish in poor growing conditions. This England native has slowly begun to invade parts of...Learn more

Burdock

Common burdock (Arctium minus) is a tall, invasive biennial herb known for clinging burs that were not only the inspiration for Velcro, but also for lowering the...Learn more

Butterfly Bush

Butterfly bush (Buddleja davidii) is a deciduous to semi evergreen shrub that grows up to 5 m tall. Until only recently, this species was celebrated for its robust...Learn more

Canada Thistle

Canada thistle (Cirsium arvense) is a root-creeping perennial. Thickets of thistle crowd out forage grasses in pastures and rangelands, reducing crop yields and productivity.  ...Learn more

Common Bugloss

Common bugloss (Anchusa officinalis) is a biennial or perennial forb that shows tubular flowers that are initially reddish and turn deep purplish blue with white centres. The coil...Learn more

Common Periwinkle

Common periwinkle (Vinca minor) is a small evergreen plant with showy white or purple flowers. This invasive plant is capable of forming dense mats which supress native plant...Learn more

Common Tansy

Common tansy (Tanacetum vulgare) is a perennial and considered regionally noxious under the BC Weed Control Act. Common tansy is currently distributed in...Learn more

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