Invasive Species of Plants in Wisconsin

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

Terrestrial Invasive species - Regulated plants

Classification	Common Name	Scientific Name
Prohibited/Restricted	Amur honeysuckle	Lonicera maackii
Restricted	Autumn olive	Elaeagnus umbellata
Restricted	Bells honeysuckle	Lonicera x bella
Prohibited/Restricted	Black swallow-wort	Vincetoxicum nigrum
Restricted	Canada thistle	Cirsium arvense
Restricted	Cattail hybrid	Typha x glauca
Prohibited/Restricted	Celandine	Chelidonium majus
Prohibited	Chinese Yam; Indian Yam	Dioscorea batatas, Dioscorea polystachya; Dioscorea oppositifolia
Restricted	Common buckthorn	Rhamnus cathartica
Restricted	Common teasel	Dipsacus fullonum subsp. sylvestris
Restricted	Creeping bellflower	Campanula rapunculoides
Restricted	Cut-leaved teasel	Dipsacus laciniatus
Restricted	Cypress spurge	Euphorbia cyparissias
Restricted	Dame's rocket	Hesperis matronalis
Prohibited/Restricted	European marsh thistle	Cirsium palustre
Restricted	Garlic mustard	Alliaria petiolata
Prohibited	Giant hogweed	Heracleum mantegazzianum
Prohibited	Giant knotweed	Polygonum sachalinense
Restricted	Glossy buckthorn	Frangula alnus
Prohibited/Restricted	Hairy willow herb	Epilobium hirsutum
Restricted	Helleborine orchid	Epipactis helleborine
Restricted	Hemp nettle, brittlestem hemp nettle	Galeopsis tetrahit
Prohibited/Restricted	Hill mustard	Bunias orientalis
Restricted	honeysuckle	Lonicera spp.
Restricted	Hound's tongue	Cynoglossum officinale
Prohibited/Restricted	Japanese hedge-parsley	Torilis japonica
Prohibited	Japanese honeysuckle	Lonicera japonica
Prohibited/Restricted	Japanese hops	Humulus japonicus
Restricted	Japanese knotweed	Fallopia cuspidatum
Prohibited	Japanese stilt grass	Microstegium vimineum
Prohibited	Kudzu	Pueraria lobata
Restricted	Leafy spurge	Euphorbia esula
Prohibited/Restricted	Lyme grass or sand ryegrass	Leymus arenarius
Prohibited	Mile-a-minute vine	Polygonum perfoliatum
Restricted	Morrow's honeysuckle	Lonicera morrowii
Restricted	Multiflora rose	Rosa multiflora
Restricted	Musk thistle	Carduus nutans
Restricted	Narrow-leaf cattail	Typha angustifolia
Restricted	Oriental bittersweet	Celastrus orbiculatus
Prohibited	Pale swallow-wort	Vincetoxicum rossicum
Prohibited	Perennial pepperweed	Lepidium latifolium
Restricted	Phragmites, Common reed	Phragmites australis
Restricted	Plumeless thistle	Carduus acanthoides
Prohibited/Restricted	Poison hemlock	Conium maculatum
Prohibited	Porcelain berry	Ampelopsis brevipedunculata
Prohibited	Princess tree	Paulownia tomentosa
Restricted	Purple loosestrife	Lythrum salicaria
Restricted	Russian olive	Elaeagnus angustifolia
Prohibited	Sawtooth oak	Quercus acutissima
Prohibited	Scotch broom	Cytisus scoparius
Prohibited	Sericea lespedeza	Lespedeza cuneata
Restricted	Spotted knapweed	Centaurea biebersteinii, c. stoebe
Prohibited	Spreading hedge parsley	Torilis arvensis
Prohibited/Restricted	Tall or Reed manna grass	Glyceria maxima
Restricted	Tansy	Tanacetum vulgare
Restricted	Tartarian honeysuckle	Lonicera tatarica
Restricted	Tree-of-heaven	Ailanthus altissima
Prohibited/Restricted	Wild chervil	Anthriscus sylvestris
Restricted	Wild parsnip	Pastinaca sativa
Prohibited	Wineberry	Rubus phoenicolasius
Prohibited	Yellow star thistle	Centaurea solstitialis

Terrestrial Invasive species - Non-regulated plants

Classification	Common Name	Scientific Name
Caution	Baby's breath	Gypsophila paniculata
Caution	Big-leaf Lupine	Lupinus polyphyllus
Non-Restricted	Bird's-foot trefoil	Lotus corniculata
Caution	Blackberry lilly	Belamcanda chinensis
Non-Restricted	Butter and Eggs	Linaria vulgaris
Non-restricted	Callery pear	Pyrus calleryana
Caution	cheat grass, downy brome	Bromus tectorum
Non-Restricted	Chinese silvergrass, Eulalia	Miscanthus sinensis
Caution	Climbing euonymus, winter creeper	Euonymus fortunei
Non-Restricted	Common St. John's-wort	Hypericum perforatum
Caution	Creeping charlie	Glechoma hederacea
Caution	English ivy	Hedera helix
Non-Restricted	European cranberry bush, European highbush	Viburnum opulus
Non-Restricted	Field bindweed	Convolvulus arvensis
Non-restricted	Hoary alyssum	Berteroa incana
Non-Restricted	Lily-of-the-valley	Convallaria majalis
Caution	Norway maple	Acer platanoides
Caution	Orange daylily	Hemerocallis fulva
Non-Restricted	Orange hawkweed	Hieracium aurantiacum
Caution	Periwinkle	Vinca minor
Non-Restricted	Quackgrass	Elytrigia repens
Non-Restricted	Queen Anne's-lace	Daucus carota
Non-restricted	Reed canary grass	Phalaris arundinacea
Non-restricted	Scotch pine	Pinus sylvestris
Non-Restricted	Smooth brome	Bromus inermis
Caution	Star-of-Bethlehem	Ornithogalum umbellatum
Caution	Watercress	Nasturtium officinale
Non-Restricted	White sweet-clover	Melilotus alba
Caution	Wild/European Privet	Ligustrum vulgare
Caution	Yellow bedstraw	Galium verum
Non-Restricted	Yellow sweet-clover	Melilotus officinalis

Terrestrial Invasive species - Proposed plants

Classification	Common Name	Scientific Name
Proposed Prohibited	Amur Cork Tree	Phellodendron amurense
Proposed Restricted	Amur maple	Acer tataricum subsp. ginnala
Proposed Restricted	Aquatic forget-me-not	Myosotis scorpioides
Proposed Prohibited	Asian loeseneri bittersweet	Celastrus loeseneri
Proposed Restricted	Balfour's touch-me-not	Impatiens balfourii
Proposed Restricted	Bishop's goutweed	Aegopodium podagraria
Proposed Restricted	Black (European) alder	Alnus glutinosa
Proposed Restricted	Black knapweed	Centaurea nigra
Proposed Restricted	Black locust	Robinia pseudoacacia
Proposed Prohibited	Bohemian knotweed	Fallopia x bohemicum, F. x bohemica
Proposed Restricted	Bristly locust	Robinia hispida
Proposed Restricted	Brown knapweed	Centaurea jacea
Proposed Restricted	Burnet saxifrage	Pimpinella saxifraga
Proposed Restricted	Burning bush	Euonymus alatus
Proposed Prohibited	Butterfly dock	Petasites hybridus
Proposed Prohibited	Chinese Yam; Indian Yam	Dioscorea batatas, Dioscorea polystachya; Dioscorea oppositifolia
Proposed Prohibited	Colt's foot	Tussilago farfara
Proposed Prohibited	Common barberry	Berberis vulgaris
Proposed Restricted	Crown vetch	Coronilla varia
Proposed Prohibited/Restricted	Dalmation toadflax	Linaria dalmatica
Proposed Prohibited	Diffuse knapweed	Centaurea diffusa
Proposed Restricted	Field scabiosa	Knautia arvensis
Proposed Prohibited	Fiveleaf akebia/Chocolate vine	Akebia quinata
Proposed Restricted	Garden yellow loosestrife	Lysimachia vulgaris
Proposed Prohibited	Grecian foxglove	Digitalis lanata
Proposed Prohibited	Hairy bittercress	Cardamine hirsuta
Proposed Prohibited	Himalayan blackberry	Rubus armeniacus
Proposed Restricted	Japanese barberry	Berberis thunbergii
Proposed Prohibited	Japanese chaff flower	Achyranthes japonica
Proposed Prohibited	Johnsongrass	Sorghum halepense
Proposed Prohibited	Lesser celandine	Ranunculus ficaria
Proposed Prohibited	Medusahead	Taeniatherum caput-medusae
Proposed Restricted	Moneywort	Lysimachia nummularia
Proposed Prohibited	Narrow leaf bittercress	Cardamine impatiens
Proposed Prohibited	Policeman's helmet	Impatiens glandulifera
Proposed Restricted	Queen-of-the-meadow	Filipendula ulmaria
Proposed Restricted	Ribbon grass variety of reed canary grass	Phalaris arundinacea var. picta
Proposed Prohibited	Russian knapweed	Centaurea repens
Proposed Prohibited/Restricted	Seaside goldenrod	Solidago sempervirens
Proposed Restricted	Siberian elm	Ulmus pumila
Proposed Restricted	Siberian peashrub	Caragana arborescens
Proposed Restricted	Tyrol knapweed	Centaurea nigrescens
Proposed Restricted	Valerian	Valeriana officinalis
Proposed Prohibited	Wavy leaf basket grass	Oplismenus hirtellus ssp. undulatifolius
Proposed Restricted	White bedstraw	Galium mollugo
Proposed Restricted	White mulberry	Morus alba
Proposed Restricted	White poplar	Populus alba
Proposed Prohibited	Wisteria	Wisteria floribunda and Wisteria sinensis
Proposed Restricted	Woodland forget-me-not	Myosotis sylvatica
Proposed Restricted	Wormwood	Artemisia absinthium
Proposed Restricted	Yellow flag iris	Iris pseudacorus