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DNR invasive species staff

Wetland Invasive species - Regulated plants

Reed Canary Grass
Reed canary grass is an invasive species that dominates almost half a million acres of Wisconsin’s wetlands.

Invasive species may be the greatest threat to the long-term health and sustainability of Wisconsin's wetlands. Human activities such as urban development, farming, recreation and gardening have resulted in the introduction of many non-native plant and animal species to the state. In some cases those species end up competing with native species and can take over large areas of land. For instance, reed canary grass dominates almost half a million of Wisconsin wetland acres.

Learn about wetland invasives

View a printable list of all species regulated by NR 40 [PDF] or a list of plants only [PDF].


Click on the buttons below to see what species are invasive in Wisconsin.

The buttons separate invasive plants and animals into regulated or non-regulated categories. Regulated species currently have legal restrictions under the Invasive Species Rule, Chapter NR 40. Non-regulated species currently are not regulated by Chapter NR 40. View our terminology page for classification definitions.

Plants Regulated Non-regulated
Animals Regulated Non-regulated


Wetland Invasive species - Regulated plants

Classification Common Name Scientific Name Factsheet Photo
Gallery
Lit.
Review
SAG
Form
NR40 Listing Date
Prohibited/Restricted Amur honeysuckle Lonicera maackii Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Anchored water hyacinth Eichhornia azurea Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Aquatic forget-me-not Myosotis scorpioides Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Asian marshweed Limnophila sessiliflora Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Balfour's touch-me-not Impatiens balfourii Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Bell’s or showy bush honeysuckle Lonicera x bella Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Bohemian knotweed Fallopia x bohemicum or F. x bohemica or Polygonum × bohemicum Click to view factsheet for this species. Click to view photo gallery for this species.     5/1/2015
Prohibited Butterfly dock Petasites hybridus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Canada thistle Cirsium arvense Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Chinese yam Dioscorea batatas or Dioscorea polystacha Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Colt's foot Tussilago farfara Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Common buckthorn Rhamnus cathartica Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Common teasel Dipsacus sylvestris or Dipsacus fullonum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Cut−leaved teasel Dipsacus laciniatus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Dame’s rocket Hesperis matronalis Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited/Restricted European marsh thistle Cirsium palustre Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Flowering rush Butomus umbellatus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Garden heliotrope or Valerian Valeriana officinalis Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Garden yellow loosestrife Lysimachia vulgaris Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Garlic mustard Alliaria petiolata Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Giant hogweed Heracleum mantegazzianum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Giant knotweed Fallopia sachalinensis or Polygonum sachalinense Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Giant reed Arundo donax Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Giant Salvinia Salvinia herzogii Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Giant salvinia Salvinia molesta Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Glossy buckthorn Rhamnus frangula or Frangula alnus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Graceful cattail Typha laxmannii Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited/Restricted Hairy willow herb Epilobium hirsutum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Hawaii arrowhead Sagittaria sagittifolia Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Hybrid cattail Typha x glauca Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Indian yam Dioscorea oppositifolia Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   9/1/2009
Prohibited Japanese honeysuckle Lonicera japonica Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited/Restricted Japanese hops Humulus japonicus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Japanese knotweed Fallopia japonica or Polygonum cuspidatum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Japanese stilt grass Microstegium vimineum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Java waterdropwort or Vietnamese parsley Oenanthe javanica Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Lesser celandine Ranunculus ficaria Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited/Restricted Lyme grass or sand ryegrass Leymus arenarius or Elymus arenarius Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Mile−a−minute vine Polygonum perfoliatum or Persicaria perfoliata Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Moneywort Lysimachia nummularia (or L. nummelaria) Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Morrow’s honeysuckle Lonicera morrowii Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Mosquito fern Azolla pinnata Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Mudmat Glossostigma cleistanthum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Narrow leaf bittercress Cardamine impatiens Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Narrow-leaf cattail Typha angustifolia Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited/Restricted Phragmites or Common reed non-native ecotype Phragmites australis non-native ecotype Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited/Restricted Poison hemlock Conium maculatum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Policeman's helmet Impatiens glandulifera Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Porcelain berry Ampelopsis brevipedunculata Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Purple loosestrife Lythrum salicaria Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Queen of the meadow Filipendula ulmaria Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted ribbon grass or gardener’s garters and other ornamental variegated varieties and cultivars. Phalaris arundinacea var. picta Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Scarlet pimpernel or Burnet saxifrage Pimpinella saxifraga Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Southern cattail Typha domingensis Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Restricted Spiny naiad Najas marina Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited/Restricted Tall or reed mannagrass Glyceria maxima Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Tartarian honeysuckle Lonicera tatarica Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Prohibited Wanded loosestrife Lythrum virgatum Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Water hyacinth, floating Eichhornia crassipes Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Water lettuce Pistia stratiotes Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Water Soldiers Stratiotes aloides Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited Water spinach, swamp morning-glory Ipomoea aquatica Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015
Prohibited/Restricted Wild chervil Anthriscus sylvestris Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species. 9/1/2009
Restricted Yellow iris Iris pseudacorus Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.   5/1/2015

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Last revised: July 10, 2015

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