List of invasive plant species in Wisconsin

This list of invasive plant species in Wisconsin includes non-native plant species or strains "that become established in natural plant communities and wild areas, replacing native vegetation".

The Invasive Plants Association of Wisconsin (IPAW) is a group working to address the problems presented by invasive species in Wisconsin. In Wisconsin it is illegal to "possess, transport, transfer, or introduce certain invasive species in Wisconsin without a permit".

Species on IPAW's list of invasive plants:


 * Acer platanoides – Norway maple
 * Alliaria petiolata – garlic mustard
 * Arctium minus – common burdock
 * Berberis thunbergii – Japanese barberry
 * Bromus inermis – smooth brome
 * Campanula rapunculoides – creeping bellflower
 * Celastrus orbiculatus – Oriental bittersweet
 * Centaurea maculosa – spotted knapweed
 * Cirsium arvense – Canada thistle
 * Convallaria majalis – lily of the valley
 * Convolvulus arvensis – field bindweed
 * Crepis tectorum – hawksbeard
 * Daucus carota – Queen Anne's lace
 * Dipsacus laciniatus – cut-leaved teasel
 * Dipsacus sylvestris – common teasel
 * Elaeagnus angustifolia – Russian olive
 * Elaeagnus umbellata – autumn olive
 * Elytrigia repens – quackgrass
 * Epipactis helleborine – helleborine orchid
 * Euphorbia cyparissias – cypress spurge
 * Euphorbia esula – leafy spurge
 * Festuca arundinacea – tall fescue
 * Glechoma hederacea – creeping Charlie
 * Hemerocallis fulva – orange daylily
 * Hesperis matronalis – dame's rocket
 * Hieracium aurantiacum – orange hawkweed
 * Hieracium caespitosum – yellow hawkweed
 * Hypericum perforatum – St. John's wort
 * Iris pseudacorus – yellow iris
 * Leonurus cardiaca – motherwort
 * Lonicera maackii – Amur honeysuckle
 * Lonicera morrowii – Morrow's honeysuckle
 * Lonicera tatarica – Tartarian honeysuckle
 * Lonicera × bella – Bell's honeysuckle
 * Lotus corniculatus – bird's-foot trefoil
 * Lysimachia nummularia – moneywort
 * Lythrum salicaria – purple loosestrife
 * Melilotus alba – white sweet clover
 * Melilotus officinalis – yellow sweet clover
 * Morus alba – white mulberry
 * Myosotis scorpioides – forget-me-not
 * Myriophyllum spicatum – Eurasian watermilfoil
 * Pastinaca sativa – wild parsnip
 * Phalaris arundinacea – reed canary grass
 * Phragmites australis – common reed grass
 * Pinus sylvestris – Scots pine
 * Poa compressa – Canada bluegrass
 * Poa pratensis – Kentucky bluegrass
 * Populus alba – white poplar
 * Potamogeton crispus – curly-leaf pondweed
 * Reynoutria japonica (syn. Polygonum cuspidatum) – Japanese knotweed
 * Rhamnus cathartica – common buckthorn
 * Rhamnus frangula – glossy buckthorn
 * Robinia pseudoacacia – black locust
 * Rosa multiflora – multiflora rose
 * Rumex acetosella – sheep sorrel
 * Saponaria officinalis – soapwort
 * Securigera varia – crown vetch
 * Solanum dulcamara – climbing nightshade
 * Tanacetum vulgare – tansy
 * Trifolium pratense – red clover
 * Trifolium repens – white clover
 * Typha angustifolia – narrow-leaved cattail
 * Typha × glauca – hybrid cattail
 * Ulmus pumila – Siberian elm
 * Vinca minor – common periwinkle