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Manitoba Agriculture, Food and Rural Initiatives
Declaration of Noxious Weeds in Manitoba
Common Name |
Scientific Name |
| Absinth | Artemisia absinthium |
| Baby's Breath | Gypsophila paniculata |
| Barberry, all deciduous varieties | Berberis vulgaris |
| Bartsia, red | Odontites serotina |
| Beggarticks, devil's | Bidens frondosa |
| Bindweed, field | Convolvulus arvensis |
| Bluebur | Lappula echinata |
| Buckthorn, common | Rhamnus cathartica |
| Buckthorn, alder | Rhamnus frangula |
| Buckwheat, tartary | Fagopyrum tataricum |
| Buckwheat, wild | Polygonum convolvulus |
| Bugloss, viper's | Echium vulgare |
| Burdock, great | Arctium lappa |
| Burdock, common | Arctium minus |
| Burdock, woolly | Arctium tomentosum |
| Camas, death | Zygadenus gramineus |
| Campion, bladder | Silene cucubalus |
| Campion, biennial | Silene cserei |
| Catchfly, night-flowering | Silene noctiflora |
| Chamomile, scentless | Matricaria maritima var. agrestis |
| Chickweed, common | Stellaria media |
| Chickweed, field | Cerastium arvense |
| Chickweed, long-stalked | Cerastium nutans |
| Chickweed, mouse-eared | Cerastium vulgatum |
| Cleavers | Galium aparine |
| Cockle, cow | Saponaria vaccaria |
| Cockle, white | Lychnis alba |
| Cocklebur | Xanthium strumarium |
| Daisy, ox-eye | Chrysanthemum leucanthemum |
| Dandelion | Taraxacum officinale |
| Darnel, Persian | Lolium persicum |
| Dodder, species | Cuscuta spp. |
| Dogbane, spreading | Apocynum androsaemifolium |
| Dragonhead, American | Dracocephalum parviflorum |
| Flixweed | Descurainia sophia |
| Foxtail, green | Setaria viridis |
| Foxtail, yellow | Setaria glauca |
| Foxtail barley | Hordeum jubatum |
| Goat's beard, meadow | Tragopogon pratensis |
| Grass, barnyard | Echinochloa crusgalli |
| Grass, downy brome | Bromus tectorum |
| Groundsel, common | Senecio vulgaris |
| Gumweed | Grindelia squarrosa |
| Henbit | Lamium amplexicaule |
| Hawk's Beard, narrow-leaved | Crepis tectorum |
| Hemp-nettle | Galeopsis tetrahit |
| Jimsonweed | Datura stramonium |
| Knapweed, diffuse | Centaurea diffusa |
| Knapweed, Russian | Centaurea repens |
| Knapweed, spotted | Centaurea maculosa |
| Kochia (summer cypress) | Kochia scoparia |
| Lady's-thumb | Polygonum persicaria |
| Lamb's-quarters | Chenopodium album |
| Lettuce, blue | Lactuca pulchella |
| Lettuce, prickly | Lactuca serriola |
| Locoweed, early yellow | Oxytropis sericea |
| Locoweed, late yellow | Oxytropis campestris |
| Locoweed, showy | Oxytropis splendens |
| Loosestrife species | Lythrum spp. |
| Mallow, round leaved | Malva pusilla |
| Milkweed, common | Asclepias syriaca |
| Milkweed, showy | Asclepias speciosa |
| Mustard, ball | Neslia paniculata |
| Mustard, dog | Erucastrum gallicum |
| Mustard, gray tansy | Descurainia richardsonii |
| Mustard, tumble | Sisymbrium altissimum |
| Mustard, wild | Sinapis arvensis |
| Nettle, stinging | Urtica dioica |
| Nightshade species | Solanum spp. |
| Oats, wild | Avena fatua |
| Pigweed, redroot | Amaranthus retroflexus |
| Pigweed, tumble | Amaranthus albus |
| Pigweed, Russian | Axyris amaranthoides |
| Poison-ivy | Rhus radicans |
| Quackgrass | Agropyron repens |
| Ragweed, common | Ambrosia artemisiifolia |
| Ragweed, false | Iva xanthifolia |
| Ragweed, giant | Ambrosia trifida |
| Russian thistle | Salsola kali |
| Sage, pasture | Artemisia frigida |
| St. John's Wort | Hypericum perforatum |
| Shepherd's purse | Capsella bursa-pastoris |
| Skeletonweed | Lygodesmia juncea |
| Smartweed, green | Polygonum scabrum |
| Smartweed, pale | Polygonum lapathifolium |
| Sow-thistle, annual | Sonchus oleraceus |
| Sow-thistle, smooth perennial | Sonchus glabrescens |
| Spurge, cypress | Euphorbia cyparissias |
| Spurge, leafy | Euphorbia esula |
| Stinkweed | Thlaspi arvense |
| Stork's bill | Erodium cicutarium |
| Tansy | Tanacetum vulgare |
| Thistle, bull | Cirsium vulgare |
| Thistle, Canada | Cirsium arvense |
| Thistle, Flodman's | Cirsium flodmanii |
| Thistle, nodding | Carduus nutans |
| Thistle, wavy-leaved | Cirsium undulatum |
| Toadflax, Dalmatian | Linaria dalmatica |
| Toadflax, yellow | Linaria vulgaris |
| Tomato, wild | Solanum triflorum |
| Water-hemlock species | Cicuta spp. |
| Wormwood, biennial | Artemisia biennis |
| Wormwood, common | Artemisia vulgaris |
| Nutsedge, yellow | Cyperus esculentus |
