The Minnesota Noxious Weed Lists By Category. Holly Nelson Isanti County Noxious and Invasive Weed Unit

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1 The Minnesota Noxious Weed Lists By Category Holly Nelson Isanti County Noxious and Invasive Weed Unit

2 MINNESOTA STATE STATUES MN STATUES NOXIOUS WEED LAW INSPECTORS Subdivision 2 Local weed inspectors. The supervisors of each town board and the mayor of each city shall act as local weed inspectors within their respective municipalities DUTIES OF INSPECTORS AND COUNTY-DESIGNATED EMPLOYEES Subdivision 2 Local weed inspectors. Local weed inspectors shall: (1) Examine all lands, including highways, roads, alleys, and pubic ground in the territory over which their jurisdiction extends to ascertain if section and related rules have been complied with: (2) See that the control or eradication of noxious weeds is carried out in accordance with section and related rules: and (3) Issue permits in accordance with section and related rules for the transportation of materials or equipment infested with noxious weed propagating parts.

3 18.83 CONTROL; ERADICATION; NOTICES; EXPENSES. Subdivision 6 Authorization for person hired to enter upon land. The inspector or county-designated employee may hire a person to control or eradicate noxious weeds if the person who owns the land, the person who occupies the land, or the person responsible for the maintenance of public land has failed to comply with an indivdual notice or with the published general notice when an individual notice cannot be serviced. The person hired must have authorization in writing, from the inspector or county-designated employee to enter upon the land. Subdivision 7- Expenses; reimbursements. A claim for the expense of controlling or eradicating noxious weeds, which may include the costs of serving notices, is a legal charge against the county in which the land is located. The Officers having the work done must file with the County Auditor a verified and itemized statement of cost for all services rendered on each separate tract of land. The county auditor shall immediately issue proper warrants to the persons named on the statement having rendered services. To reimburse the county for its expenditure in this regard, the county auditor shall certify the total amount due and, unless an appeal is

4 is made in accordance with section 18.84, enter it on the tax roll as a tax upon the land and it must be collected as other real estate taxes are collected.

5 Statewide Listed Noxious Weeds State Prohibited Noxious Weeds Eradicate List 11 Species Control List 8 Species 5 State Restricted Noxious Weeds 3 Specially Regulated Plant

6 Prohibited Noxious Weeds Prohibited Noxious Weeds are annual, biennial, or perennial plants that the commissioner designates as having the potential or are known to be detrimental to human or animal health, the environment, public roads, crops, livestock or other property. There are two regulatory listings for prohibited noxious weeds in Minnesota: 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 Additionally, no transportation, propagation, or sale of these plants is allowed. Measures must also be taken to prevent and exclude these species from being introduced into Minnesota. Control List - Prohibited noxious weeds that are listed to be controlled are plants that are established throughout Minnesota or regions of the state. Species on this list must be controlled, meaning efforts must be made to prevent seed maturation and dispersal of plants into new areas, thereby reducing established populations and preventing reproduction and spread as required by Minnesota Statutes, Section Additionally, transportation, propagation, or sale of these plants is prohibited.

7 State Prohibited Noxious Weeds Eradicate List Yellow Starthistle Centaurea solstitialis Grecian Foxglove Digitalis lanata Oriental Bittersweet Celastrus orbicaulatus Japanese Hops Humulus japonicas Dalmatian Toadflax Linaria dalmatica Common Teasel Dispsacus fullonum Cutleaf Teasel Dispsacus laciniatus Giant Hogweed Heracleum mantegazzianum Brown Knapweed Centaurea jacea Meadow Knapweed Centaurea x moncktonii Black Swallow-wort Cynanchum louiseae

8 Prohibited - Eradicate Noxious Weeds Yellow Starthistle Centaurea solstitialis

9 Prohibited - Eradicate Noxious Weeds Grecian Foxglove Digitalis lanata

10 Prohibited - Eradicate Noxious Weeds Oriental Bittersweet Celastrus orbiculatus () Reproduces by seeds and roots; Highly invasive! Contact MDA if found

11 Prohibited - Eradicate Noxious Weeds Dalmatian Toadflax Linaria dalmatica NOT TO BE CONFUSED WITH THE MORE COMMON YELLOW TOADFLAX (Linaria vulgaris)

12 Prohibited - Eradicate Noxious Weeds Japanese Hops Humulus japonicas Not to be confused with Native Hops (Humulus lupulus)

13 Prohibited - Eradicate Noxious Weeds Cut-leaved Teasel Dispsacus laciniatus

14 Prohibited - Eradicate Noxious Weeds Common Teasel Dispsacus fullonum

15 Prohibited - Eradicate Noxious Weeds Giant Hogweed Heracleum mantegazzianum

16 Prohibited - Eradicate Noxious Weeds Brown Knapweed Centaurea jacea

17 Prohibited - Eradicate Noxious Weeds Meadow Knapweed Centaurea x moncktonii

18 Prohibited - Eradicate Noxious Weeds Black Swallow-wort Cynanchum louiseae

19 Confirmed County Locations **Additional Unconfirmed Reports Exist** Goodhue Metro Area Winona Koochiching St. Louis Koochiching St. Louis Hennepin Ramsey Oriental bittersweet Brown knapweed Meadow knapweed Black swallowwort Houston Mower Olmsted Ramsey Wabasha Washington Winona Cutleaf teasel Fillmore Houston Japanese hops Kittson Dalmatian toadflax Washington Grecian foxglove Yellow Star Thistle No known locations in MN; Threat watch for MN western and southwestern counties Common Teasel No known locations in MN; Threat watch for MN Twin Cities metro, eastern and southeastern counties Giant Hogweed No known locations in MN; Threat watch for MN Twin Cities metro, eastern and southeastern counties

20 State Prohibited Noxious Weeds Control List Purple Loosestrife Lythrum salicaria Garlic Mustard Alliaria petiolata Spotted Knapweed Centaurea stoebe Leafy Spurge Euphorbia esula Wild Parsnip Pastinaca sativa Common Tansy Tanacetum vulgare Canada Thistle Cirsium arvense Musk Thistle Carduus nutans Plumeless Thistle Carduus acanthoides Narrowleaf Bittercress Carduus acanthoides

21 Prohibited - Control Noxious Weeds Purple Loosestrife Lythrum salicaria

22 Prohibited - Control Noxious Weeds Spotted Knapweed Centaurea stoebe

23 Prohibited - Control Noxious Weeds Leafy Spurge Euphorbia esula

24 Prohibited - Control Noxious Weeds Wild Parsnip Pastinaca sativa

25 Prohibited - Control Noxious Weeds Common Tansy - Tanacetum vulgare

26 Prohibited - Control Noxious Weeds Canada Thistle Cirsium arvense

27 Prohibited - Control Noxious Weeds Musk Thistle Carduus nutans

28 Prohibited - Control Noxious Weeds Plumeless Thistle Carduus acanthoides

29 Prohibited - Control Noxious Weeds Narrowleaf Bittercress Cardamine impatiens

30 State Restricted Noxious Weeds Restricted Noxious Weeds are plants that are widely distributed in Minnesota and are detrimental to human or animal health, the environment, public roads, crops, livestock or other property, but whose only feasible means of control is to prevent their spread by prohibiting the importation, sale, and transportation of their propagating parts in the state except as allowed by Minnesota Statutes, Section Plants designated as Restricted Noxious Weeds may be reclassified if effective means of control are developed. Common or European Buckthorn Glossy Buckthorn Multiflora Rose Common Reed (non-native) Garlic Mustard

31 State Specially Regulated Plants Specially Regulated Plants: shall be controlled or eradicated according to specified regulations. Poison Ivy Japanese Knotweed Giant Knotweed

32 Herbicides

33 Mechanical

34 Fire/Burning

35 Biological Control

36 More Information 1) Contact Your Local County Agricultural Inspector or County Designated Employee 2) U of M Weed Science Extension - Dr. Roger Becker (612) ) Minnesota Department of Agriculture - Steve Malone (Seeds) (651) Anthony Cortilet (Noxious Weeds) (651) Monika Chandler (Early Detection) (651) ) Minnesota Department of Transportation - Tina Markeson (651) ) Minnesota Department of Natural Resources - Laura Van Riper (DNR Invasive Species) (651)