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common milkweed
Asclepias syriaca
22,724 observations
common buckthorn
Rhamnus cathartica
19,484 observations
northern whitecedar
Thuja occidentalis
16,417 observations
large white trillium
Trillium grandiflorum
15,369 observations
eastern white pine
Pinus strobus
15,266 observations
garlic mustard
Alliaria petiolata
14,663 observations
staghorn sumac
Rhus typhina
14,025 observations
wild carrot
Daucus carota
13,891 observations
yellow trout lily
Erythronium americanum
13,623 observations
common jewelweed
Impatiens capensis
12,483 observations
bloodroot
Sanguinaria canadensis
12,317 observations
purple loosestrife
Lythrum salicaria
12,314 observations
sensitive fern
Onoclea sensibilis
12,149 observations
colt's-foot
Tussilago farfara
12,144 observations
great mullein
Verbascum thapsus
11,663 observations
New England aster
Symphyotrichum novae-angliae
11,388 observations
chicory
Cichorium intybus
11,068 observations
bird's-foot trefoil
Lotus corniculatus
10,995 observations
Jack-in-the-Pulpit
Arisaema triphyllum
10,869 observations
bittersweet nightshade
Solanum dulcamara
10,791 observations
box elder
Acer negundo
10,774 observations
Solomon's plume
Maianthemum racemosum
10,341 observations
common selfheal
Prunella vulgaris
10,137 observations
Canada mayflower
Maianthemum canadense
10,127 observations
common yarrow
Achillea millefolium
10,050 observations
common reed
Phragmites australis
9,930 observations
dame's rocket
Hesperis matronalis
9,646 observations
American beech
Fagus grandifolia
9,501 observations
Ghost Pipe
Monotropa uniflora
9,262 observations
tufted vetch
Vicia cracca
9,096 observations
wild sarsaparilla
Aralia nudicaulis
9,083 observations
Red Clover
Trifolium pratense
9,067 observations
Canadian bunchberry
Cornus canadensis
8,884 observations
viper's-bugloss
Echium vulgare
8,600 observations
red trillium
Trillium erectum
8,232 observations
mayapple
Podophyllum peltatum
8,189 observations
common bracken
Pteridium aquilinum
8,141 observations
Herb Robert
Geranium robertianum
8,133 observations
red columbine
Aquilegia canadensis
8,006 observations
eastern hemlock
Tsuga canadensis
7,873 observations
red osier dogwood
Cornus sericea
7,866 observations
spotted Joe-Pye weed
Eutrochium maculatum
7,717 observations
red-berried elder
Sambucus racemosa
7,710 observations
paper birch
Betula papyrifera
7,701 observations
Canada anemone
Anemonastrum canadense
7,668 observations
northern red oak
Quercus rubra
7,464 observations
bluebead lily
Clintonia borealis
7,381 observations
balsam fir
Abies balsamea
7,231 observations
common motherwort
Leonurus cardiaca
7,209 observations
sugar maple
Acer saccharum
7,180 observations
Frequently Asked Questions
- The 10 most common plants in Ontario are:
- common milkweed (Asclepias syriaca)
- common buckthorn (Rhamnus cathartica)
- northern whitecedar (Thuja occidentalis)
- large white trillium (Trillium grandiflorum)
- eastern white pine (Pinus strobus)
- garlic mustard (Alliaria petiolata)
- staghorn sumac (Rhus typhina)
- wild carrot (Daucus carota)
- yellow trout lily (Erythronium americanum)
- common jewelweed (Impatiens capensis)
- The most observed plant in Ontario is common milkweed (Asclepias syriaca), with 22,724 recorded observations.
- Some of the most commonly observed native plants in Ontario include:
- spotted Joe-Pye weed (Eutrochium maculatum)