Browse by Common Name

This website contains descriptions of 80 weeds that are currently present in the province or pose a threat to its economy and environment. Browse the list of common names below, browse by latin name, or browse by flower colour.

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Annual sow thistle

Barnyard grass
Black knapweed
Black nightshade
Blue mustard
Blueweed
Bog rush
Bull thistle

Canada thistle
Cheatgrass
Chicory
Cleavers
Coast tarweed
Common bugloss
Common burdock
Common chickweed
Common crupina
Common groundsel
Common tansy
Corn spurry
Creeping buttercup
Curled dock

Dalmation toadflax
Diffuse knapweed

Field bindweed
Field horsetail
Field scabious
Flixweed

Gorse
Green foxtail

Hairy Nightshade
Hemp-nettle
Hoary alyssum
Hoary cress
Hound's-tongue

Jointed goatgrass

Kochia

Lady's-thumb
Lamb's-quarters
Leafy spurge

Marsh plume thistle
Meadow knapweed

Night-flowering catchfly
Nodding thistle

Orange hawkweed
Oxeye daisy

Parasitic dodder
Perennial pepperweed
Perennial sow thistle
Plumeless thistle
Poison hemlock
Puncturevine
Purple loosestrife
Purple nutsedge

Quackgrass

Redroot pigweed
Rush skeletonweed
Russian knapweed
Russian thistle

Scentless chamomile
Scotch thistle
Sheep sorrel
Shepherd's-purse
Spotted knapweed
Squarrose knapweed
Stork's-bill
St. John's-wort
Sulphur cinquefoil

Tansy ragwort
Tartary buckwheat

Velvetleaf

Water hemlock
White cockle
Wild chervil
Wild mustard
Wild proso millet
Wild oats

Yellow nutsedge
Yellow starthistle
Yellow toadflax