Ontario Weeds

To browse by weed name, see the Ontario Weed Gallery Listing

To browse by family, see the Ontario Weed Gallery Families

Browse the Ontario Weeds Gallery: | 1 | 2 | 3 | 4 |
Click on the thumbnail or the weed name to view the larger picture.

Horsetail Family (Equisetaceae)

Field horesetail - Link to Ontario Weeds: Field Horsetail
Field horsetail

Fern Family (Polypodiaceae)

Eastern bracken - Link to Ontario Weeds: Eastern Bracken
Eastern bracken

Lily Family (Lilaceae)

Wild garlic - Link to Ontario Weeds: Wild Garlic
Wild garlic

Sedge Family (Cyperaceae)

Yellow nut sedge - Link to Ontario Weeds: Yellow Nut Sedge
Yellow nut sedge

Carpetweed (Aizoaceae)

Carpetweed - Link to Ontario Weeds: Carpetweed
Carpetweed

Buckwheat or Smartweed Family (Polygonaceae)

Sheep sorrel - Link to Ontario Weeds: Sheep Sorrel
Sheep sorrel

Curled dock - Link to Ontario Weeds: Curled Dock
Curled dock

Broad leaved dock - Link to Ontario Weeds: Broad-leaved Dock
Broad leaved dock

Prostrate knotweed - Link to Ontario Weeds: Prostrate Knotweed
Prostrate knotweed

Japanese knotweed - Link to Ontario Weeds: Japanese Knotweed
Japanese knotweed

Lady's thumb - Link to Ontario Weeds: Lady's Thumb
Lady's thumb

Pale smartweed - Link to Ontario Weeds: Pale Smartweed
Pale smartweed

Green smartweed - Link to Ontario Weeds: Green Smartweed
Green smartweed

Pennsylvania smartweed - Link to Ontario Weeds: Pennsylvania Smartweed
Pennsylvania smartweed

Swamp smartweed - Link to Ontario Weeds: Swamp Smartweed
Swamp smartweed

Water smartweed - Link to Ontario Weeds: Water Smartweed
Water smartweed

Wild buckwheat - Link to Ontario Weeds: Wild Buckwheat
Wild buckwheat

Striate knotweed - Link to Ontario Weeds: - Link to Ontario Weeds: Striate Knotweed
Striate knotweed

Goosefoot Family (Chenopodiaceae)

Lamb's quarters - Link to Ontario Weeds: Lamb's Quarters
Lamb's quarters

Maple-leaved goosefoot - Link to Ontario Weeds: Maple-leaved Goosefoot
Maple-leaved goosefoot

Oak-leaved goosefoot - Link to Ontario Weeds: Oak-leaved Goosefoot
Oak-leaved goosefoot

Spreading Atriplex - Link to Ontario Weeds: Spreading Atriplex
Spreading Atriplex

Russian thistle - Link to Ontario Weeds: Russian Thistle
Russian thistle

Amaranth Family (Amaranthaceae)

Tumble pigweed - Link to Ontario Weeds: Tumble Pigweed
Tumble pigweed

Redroot pigweed - Link to Ontario Weeds: Redroot Pigweed
Redroot pigweed

Smooth pigweed - Link to Ontario Weeds: Smooth Pigweed
Smooth pigweed

Water hemp - Link to Ontario Weeds: Water hemp
Water hemp

Green pigweed - Link to Ontario Weeds: Green Pigweed
Green pigweed

Prostrate pigweed - Link to Ontario Weeds: Prostrate Pigweed
Prostrate pigweed

Pokeweed Family (Phytolaccaceae)

Pokeweed - Link to Ontario Weeds: Pokeweed
Pokeweed

Purslane Family (Portulacaceae)

Purslane - Link to Ontario Weeds: Purslane
Purslane

Barberry Family (Berberidaceae)

Common barberry - Link to Ontario Weeds: Common Barberry
Common barberry

Orpine Family (Crassulaceae)

Mossy stonecrop - Link to Ontario Weeds: Mossy Stonecrop
Mossy stonecrop

Rue Family (Rutaceae)

Prickly ash - Link to Ontario Weeds: Prickly Ash
Prickly ash

Pink Family (Caryophyllaceae)

Chickweed - Link to Ontario Weeds: Chickweed
Chickweed

Mouse-eared chickweed - Link to Ontario Weeds: Mouse-eared Chickweed
Mouse-eared chickweed

Thyme-leaved sandwort - Link to Ontario Weeds: Thyme-leaved Sandwort
Thyme-leaved sandwort

White cockle - Link to Ontario Weeds: White Cockle
White cockle

Purple cockle - Link to Ontario Weeds: Purple Cockle
Purple cockle

Night-flowering catchfly - Link to Ontario Weeds: Night-flowering Catchfly
Night-flowering catchfly

Bladder campion - Link to Ontario Weeds: Bladder Campion
Bladder campion

Bouncingbet - Link to Ontario Weeds: Bouncingbet
Bouncingbet

Cow cockle- Link to Ontario Weeds: Cow cockle
Cow cockle

Buttercup Family (Ranunculaceae)

Celery-leaved buttercup - Link to Ontario Weeds: Celery-leaved Buttercup
Celery-leaved buttercup

Tall Buttercup - Link to Ontario Weeds: Tall Buttercup
Tall Buttercup

Buttercup - Link to Ontario Weeds: Buttercup
Buttercup

Mustard Family (Cruciferae)

Bird rape - Link to Ontario Weeds: Bird Rape
Bird rape

Wild mustard - Link to Ontario Weeds: Wild Mustard
Wild mustard

Black Mustard - Link to Ontario Weeds: Black Mustard
Black Mustard

Garlic Mustard - Link to Ontario Weeds: Garlic Mustard
Garlic Mustard

Dog mustard - Link to Ontario Weeds: Dog Mustard
Dog mustard

Stinking wall rocket - Link to Ontario Weeds: Stinking Wall Rocket
Stinking wall rocket

Tumble mustard - Link to Ontario Weeds: Tumble Mustard
Tumble mustard

Hedge mustard - Link to Ontario Weeds: Hedge Mustard
Hedge mustard

Flixweed - Link to Ontario Weeds: Flixweed
Flixweed

Dame's rocket - Link to Ontario Weeds: Dame's Rocket
Dame's rocket

Wormseed mustard - Link to Ontario Weeds: Wormseed Mustard
Wormseed mustard

Small-seeded Falseflax - Link to Ontario Weeds: Small-seeded Falseflax
Small-seeded Falseflax

Yellow rocket - Link to Ontario Weeds: Yellow Rocket
Yellow rocket

Hoary alyssum - Link to Ontario Weeds: Hoary Alyssum
Hoary alyssum

Stinkweed - Link to Ontario Weeds: Stinkweed
Stinkweed

Wild radish - Link to Ontario Weeds: Wild Radish
Wild radish

Creeping yellow cress - Link to Ontario Weeds: Creeping Yellow Cress
Creeping yellow cress

Common peppergrass - Link to Ontario Weeds: Common Peppergrass
Common peppergrass

Shepherd's purse - Link to Ontario Weeds: Sheperd's Purse
Shepherd's purse

Field peppergrass - Link to Ontario Weeds: Field Peppergrass
Field peppergrass

Rose Family (Rosaceae)

Rough cinquefoil - Link to Ontario Weeds: Rough Cinquefoil
Rough cinquefoil

Sulphur cinquefoil - Link to Ontario Weeds: Sulphur Cinquefoil
Sulphur cinquefoil

Silvery cinquefoil - Link to Ontario Weeds: Silvery Cinquefoil
Silvery cinquefoil

Yellow avens - Link to Ontario Weeds: Yellow Avens
Yellow avens

Small burnet - Link to Ontario Weeds: Small Burnet
Small burnet

Legume or Bean Family (Leguminosae)

Black medick - Link to Ontario Weeds: Black Medick
Black medick

Common yellow wood sorrel - Link to Ontario Weeds: Common Yellow Wood Sorrel
Common yellow wood sorrel

Tufted vetch - Link to Ontario Weeds: Tufted Vetch
Tufted vetch

White clover - Link to Ontario Weeds: White Clover
White clover

Tuberous vetchling - Link to Ontario Weeds: Tuberous Vetchling
Tuberous vetchling

Bulbous vetch - Link to larger picture of Bulbous Vetch
Bulbous vetch

Red clover - Link to larger picture of Red Clover
Red clover

Browse the Ontario Weeds Gallery: | 1 | 2 | 3 | 4 |

Related Links


For more information:
Toll Free: 1-877-424-1300
E-mail: ag.info.omafra@ontario.ca