Declaration Of Noxious Weeds In Manitoba
FAQs and Control of Noxious Weeds.pdf (83 KB)
Designated Tier 1 Noxious Weeds |
Area for which Designation applies | |
| Common name | Scientific name | |
| Amaranth, Palmer | Amaranthus palmeri | Whole province |
| Bartsia, red | Odontites vernus | All areas of the province outside the Municipality of Bifrost-Riverton and the Rural Municipalities of Armstrong, Fisher, Gimli, Rockwood, St. Andrews and St. Clements |
| Crupina, common | Crupina vulgaris | Whole province |
| Cupgrass, woolly | Eriochloa villosa | Whole province |
| Goatgrass, jointed | Aegilops cylindrica | Whole province |
| Hawkweed, orange | Hieracium aurantiacum | Whole province |
| Hogweed, giant | Heracleum mantegazzianum | Whole province |
| Hound’s-tongue | Cynoglassum officinale | Whole province |
| Knapweed, diffuse | Centaurea diffusa | Whole province |
| Knapweed, Russian | Acroptilon repens | Whole province |
| Knapweed, spotted | Centaurea stoebe | Whole province |
| Knapweed, squarrose | Centaurea virgata | Whole province |
| Knotweed, Japanese | Fallopia japonica | Whole province |
| Mile-a-minute weed | Persicaria perfoliata | Whole province |
| Mustard, garlic | Allaria petiolata | Whole province |
| Patterson’s curse | Echium plantagineum | Whole province |
| Pigweed, smooth | Amaranthus hybridus | Whole province |
| Saltcedar | Tamarix ramosissima | Whole province |
| Star-thistle, yellow | Centaurea solstitialus | Whole province |
| Tussock, serrated | Nassella trichotoma | Whole province |
| Waterhemp, tall | Amaranthus tuberculatus | All areas of the province outside the Municipalities of Emerson-Franklin, Norfolk-Treherne, North Norfolk, Rhineland, Westlake-Gladstone and the Rural Municipalities of Brokenhead, Dauphin, De Salaberry, Dufferin, Ellice-Archie, Grey, Hanover, Lac du Bonnet, Macdonald, Montcalm, Morris, Piney, Reynolds, Ritchot, Roland, St. Andrews, Ste. Anne, St. Clements, Springfield, Stanley, Stuartburn, Tache and Whitemouth |
| Designated Tier 2 Noxious Weeds | Area for which Designation applies | |
| Common name | Scientific name | |
| Alyssum, hoary | Berteroa incana | Whole province |
| Baby’s-breath | Gypsophila paniculata | Whole province |
| Bartsia, red | Odontites vernus | Municipality of Bifrost-Riverton and the Rural Municipalities of Armstrong, Fisher, Gimli, Rockwood, St. Andrews and St. Clements |
| Bouncingbet | Saponaria officinalis | Whole province |
| Brome, downy | Bromus tectorum | Whole province |
| Brome, Japanese | Bromus japonicas | Whole province |
| Campion, bladder | Silene vulgaris | Whole province |
| Chamomile, scentless | Matricaria perforata | Whole province |
| Common reed, invasive | Phragmites australis australis | Whole province |
| Daisy, ox-eye | Leucanthemum vulgare | Whole province |
| Nutsedge, yellow | Cyperus esculentus | Whole province |
| Scabious, field | Knautia arvensis | Whole province |
| Spurge, Cypress | Euphorbia cyparissias | Whole province |
| Spurge, leafy | Euphorbia esula | Whole province |
| St. John’s-wort | Hypericum perforatum | Whole province |
| Tansy, common | Tanacetum vulgare | Whole province |
| Thistle, nodding | Carduus nutans | Whole province |
| Toadflax, Dalmatian | Linaria dalmatica | Whole province |
| Waterhemp, tall | Amaranthus tuberculatus | Municipalities of Emerson-Franklin, Norfolk-Treherne, North Norfolk, Rhineland and Westlake-Gladstone and the Rural Municipalities of Brokenhead, Dauphin, De Salaberry, Dufferin, Ellice-Archie, Grey, Hanover, Lac du Bonnet, Macdonald, Montcalm, Morris, Piney, Reynolds, Ritchot, Roland, St. Andrews, Ste. Anne, St. Clements, Springfield, Stanley, Stuartburn, Tache and Whitemouth. |
| Designated Tier 3 Noxious Weeds | Area for which Designation applies | |
| Common name | Scientific name | |
| Absinth | Artemisia absinthium | Whole province |
| Barberry | Berberis vulgaris | Whole province |
| Barley, foxtail | Hordeum jubatum | Whole province |
| Bellflower, creeping | Campanula rapunculoides | Whole province |
| Buckthorn, European | Rhamnus cathartica | Whole province |
| Burdock, common | Arctium minus | Whole province |
| Burdock, greater | Arctium lappa | Whole province |
| Burdock, woolly | Arctium tomentosum | Whole province |
| Campion, biennial | Silene dioica | Whole province |
| Catchfly, night-flowering | Silene noctiflora | Whole province |
| Cleavers | Galium aparine | Whole province |
| Cleavers, false | Galium spurium | Whole province |
| Cockle, white | Silene alba | Whole province |
| Dandelion | Taraxacum officinale | Whole province |
| Dodder | genus Cuscuta | Whole province |
| Fleabane, Canada | Conyza canadensis | Whole province |
| Flixweed | Descurainia sophia | Whole province |
| Hawk’s-beard, narrow-leaved | Crepis tectorum | Whole province |
| Hemlock, poison | Conium maculatum | Whole province |
| Hemp-nettle | Galeopsis tetrahit | Whole province |
| Hoary-cress | Cardaria draba | Whole province |
| Jimsonweed | Datura stromonium | Whole province |
| Kochia | Kochia scoparia | Whole province |
| Lamb’s quarters | Chenopodium album | Whole province |
| Lettuce, prickly | Lactuca serriola | Whole province |
| Milkweed, common | Asclepias syriaca | Whole province |
| Milkweed, showy | Aslepias speciosa | Whole province |
| Mustard, wild | Sinapis arvensis | Whole province |
| Nightshade, American black | Solanum americanum | Whole province |
| Nightshade, cutleaf | Solanum triflorum | Whole province |
| Nightshade, hairy | Solanum sarachoides | Whole province |
| Parsnip, wild | Pastinaca sativa | Whole province |
| Ragweed, common | Ambrosia artemisiifolia | Whole province |
| Ragweed, false | Iva xanthifolia | Whole province |
| Ragweed, giant | Ambrosia trifida | Whole province |
| Sow-thistle, annual | Sonchus oleraceus | Whole province |
| Sow-thistle, perennial | Sonchus arvensis | Whole province |
| Sow-thistle, spiny annual | Sonchus asper | Whole province |
| Stinkweed | Thlaspi arvense | Whole province |
| Stork’s bill | Erodium cicutarium | Whole province |
| Thistle, bull | Cirsium vulgare | Whole province |
| Thistle, Canada | Circium arvense | Whole province |
| Thistle, Russian | Salsola pestifer | Whole province |
| Toadflax, yellow | Linaria vulgaris | Whole province |
| Water hemlock, bulb-bearing | Cicuta bulbifera | Whole province |
| Water hemlock, northern | Cicuta virosa | Whole province |
| Water hemlock, spotted | Cicuta maculata | Whole province |
| Water hemlock, western | Cicuta douglasii | Whole province |
| Whitetop, hairy | Cardaria pubescens | Whole province |
| Whitetop, lenspod | Cardaria chalepensis | Whole province |

