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Noxious weeds and terrestrial invasive species

Gary Wyatt

Prohibited noxious weeds – eradicate list

The following plants are MDA noxious weeds and MN DNR invasive species. Failure to comply with the Minnesota Noxious Weed Law may result in enforcement action by a county or local municipality.

Eradicate List: Prohibited noxious weeds that are listed to be eradicated are plants that are not currently known to be present in Minnesota or are not widely established. These species must be eradicated, meaning all of the above and below ground parts of the plant must be destroyed, as required by Minnesota Statutes, Section 18.78.

  1. Black Swallow-wort (Cynanchum louiseae Kartesz & Gandhi)
  2. Brown Knapweed (Centaurea jacea L.)
  3. Common Teasel (Dipsacus fullonum L.)
  4. Cutleaf Teasel (Dipsacus laciniatus L.)
  5. Dalmatian Toadflax (Linaria dalmatica (L.) Mill)
  6. Giant Hogweed (Heracleum mantegazzianum Sommier & Levier)
  7. Grecian Foxglove (Digitalis lanata Ehrh.)
  8. Japanese Hops (Humulus japonicas Siebold & Zucc.)
  9. Meadow Knapweed (Centaurea x moncktonii C.E. Britton)
  10. Oriental Bittersweet (Celastrus orbiculatus Thunb)
  11. Palmer Amaranth (Amaranthus palmeri S. Watson)
  12. Yellow Starthistle (Centaurea solstitialis L.)

Prohibited noxious weeds – control list

The following plants are MDA noxious weeds and MN DNR invasive species. Failure to comply with the Minnesota Noxious Weed Law may result in enforcement action by a county or local municipality.

Control List: Prohibited noxious weeds listed to be controlled are plants established throughout Minnesota or regions of the state. Species on this list must be controlled, meaning efforts must be made to prevent the spread, maturation and dispersal of any propagating parts, thereby reducing established populations and preventing reproduction and spread as required by Minnesota Statutes, Section 18.78.

  1. Canada Thistle (Cirsium arvense (L.) Scop)
  2. Common Tansy (Tanacetum vulgare L.)
  3. Leafy Spurge (Euphorbia esula L.)
  4. Narrowleaf Bittercress (Cardamine impatiens L.)
  5. Plumeless Thistle (Carduus acanthoides L)
  6. Purple Loosestrife (Lythrum salicaria L., L. virgatum L.)
  7. Spotted Knapweed (Centaurea stoebe L. ssp. Micranthos (Gugler) Hayek)
  8. Wild Parsnip (Pastinaca sativa L.) – except for non-wild cultivated varieties

Restricted noxious weeds

The following plants are MDA noxious weeds and MN DNR invasive species. Failure to comply with the Minnesota Noxious Weed Law may result in enforcement action by a county or local municipality.

  1. Common or European Buckthorn (Rhamnus cathartica L.)
  2. Common Reed (non-native subspecies) (Phragmites australis (Cav.) Trin. Ex Steud. Ssp. Australis)
  3. Garlic Mustard (Alliaria petiolata (M. Bieb.) Cavara & Grande)
  4. Glossy Buckthorn (and all cultivars) (Frangula alnus Mill.)
  5. Multiflora Rose (Rosa multiflora Thunb.)

Specially regulated plants – noxious weeds

The following plants are MDA noxious weeds and MN DNR invasive species. Failure to comply with the Minnesota Noxious Weed Law may result in enforcement action by a county or local municipality.

  1. Giant Knotweed (Polygonum sachalinense F. Schmidt ex Maxim.)
  2. Japanese Barberry (Berberis thunbergii DC)
  3. Japanese Knotweed (Polygonum cuspidatum Seib & Zucc.)
  4. Poison Ivy (Toxicodendron radicans (L.) Kuntze & T. rydbergii )
    • Poison Ivy is not an MN DNR invasive species.

Minnesota Department of Agriculture (MDA) – Minnesota Noxious Weeds

Terrestrial invasive plants

The following plants are MN DNR invasive species. They are not MDA noxious weeds.

  1. Amur maple (Acer ginnala)
  2. Amur silver grass (Miscanthus sacchariflorus)
  3. Birds foot trefoil (Lotus corniculatus)
  4. Black locust (Robinia pseudoacacia)
  5. British yellowhead (Inula britannica)
  6. Bull thistle (Cirsium vulgare)
  7. Butter and eggs (Linaria vulgaris)
  8. Cow Vetch (Vicia cracca)
  9. Creeping Charlie (Glechoma hederacea)
  10. Crown Vetch or Axseed (Coronilla varia)
  11. Exotic Honeysuckles (Lonicera tatarica, L. morrowii, L. x bella)
  12. Hairy Vetch (Vicia villosa)
  13. Hoary alyssum (Berteroa incana)
  14. Japanese hedge parsley (Torilis japonica)
  15. Musk or nodding thistle (Carduus nutans)
  16. Non-native phragmites (Phragmites australis subsp. australis)
  17. Norway maple (Acer platanoides)
  18. Orange hawkweed (Hieracium aurantiacum)
  19. Oxeye daisy (Chrysanthemum leucanthemum)
  20. Perennial sow thistle (Sonchus arvensis)
  21. Poison hemlock (Conium maculatum)
  22. Queen Anns lace (Daucus carota)
  23. Reed canary grass (Phalaris arundinacea)
  24. Russian olive (Elaeagnus angustifolia)
  25. Siberian elm (Ulmus pumila)
  26. Siberian pea shrub (Caragana arborescens)
  27. Smooth brome grass (Bromus inermis)
  28. Tree of heaven (Ailanthus altissima)
  29. White sweet clover (Melilotus alba)
  30. Yellow iris (Iris pseudacorus)
  31. Yellow sweet clover (Melilotus officinalis)

Minnesota Department of Natural Resources Terrestrial Invasive Plants.

County Noxious Weeds – Contact your local County Agricultural Inspector or Designated Employee for more information on county Noxious Weeds.

Additional resources

Resources for regulated noxious weeds and non-regulated invasive plants in Minnesota.

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