La Crosse
Below is a list of invasive plant species identifications that have been reported on EDDMapS from 1900 to 2024. Click on the scientific name to access the online map, which is continuously updated as new reports are added to the database.
You can report new sightings in this county at https://www.eddmaps.org/report/.
La Crosse CO
| Scientific Name | Common Name | WI Status | NR40 Classification | FREQUENCY |
|---|---|---|---|---|
| Acer ginnala | Amur maple | invasive | Universally Restricted | 6 |
| Alliaria petiolata | garlic mustard | invasive | Universally Restricted | 56 |
| Anthriscus sylvestris | wild chervil | invasive | Restricted Frontier | 1 |
| Berberis thunbergii | Japanese barberry | invasive | Universally Restricted | 72 |
| Butomus umbellatus | flowering rush | invasive | Universally Restricted | 10 |
| Campanula rapunculoides | creeping bellflower | invasive | Universally Restricted | 2 |
| Carduus acanthoides | spiny plumeless thistle | invasive | Universally Restricted | 1 |
| Celastrus orbiculatus | round leaf bittersweet | invasive | Universally Restricted | 5 |
| Centaurea stoebe | spotted knapweed | invasive | Universally Restricted | 1 |
| Centaurea stoebe | spotted knapweed | invasive | Universally Restricted | 9 |
| Chelidonium majus | greater celandine | invasive | Universally Restricted | 2 |
| Cirsium arvense | Canada thistle | invasive | Universally Restricted | 106 |
| Cirsium vulgare | bull thistle | invasive | Unregulated | 24 |
| Conium maculatum | poison hemlock | invasive | Restricted Frontier | 1 |
| Daucus carota | Queen Anne's lace, wild carrot | invasive | Unregulated | 6 |
| Pontederia crassipes | common water hyacinth | invasive | Universally Prohibited | 1 |
| Elaeagnus angustifolia | Russian olive | invasive | Universally Restricted | 3 |
| Elaeagnus umbellata | autumn olive | invasive | Universally Restricted | 31 |
| Euonymus alatus | winged burning bush | invasive | Universally Restricted | 11 |
| Euphorbia cyparissias | cypress spurge | invasive | Universally Restricted | 2 |
| Euphorbia esula | leafy spurge | invasive | Universally Restricted | 2 |
| Euphorbia virgata | leafy spurge | invasive | Unregulated | 2 |
| Frangula alnus | glossy buckthorn | invasive | Universally Restricted | 6 |
| Galium verum | yellow bedstraw | invasive | Universally Restricted WISC Recommendation | 2 |
| Hesperis matronalis | dames rocket | invasive | Universally Restricted | 31 |
| Iris pseudacorus | pale yellow iris, yellow flag iris | invasive | Universally Restricted | 3 |
| Linaria vulgaris | yellow toadflax | introduced | Unregulated | 2 |
| Lonicera maackii | Amur honeysuckle | invasive | Restricted Frontier | 6 |
| Lonicera spp. | bush honeysuckles (exotic) | native/introduced | Unregulated | 69 |
| Tatarian honeysuckle | Tatarian honeysuckle | invasive | Universally Restricted | 4 |
| Lonicera x bella | showy fly honeysuckle, Bell's honeysuckle | invasive | Universally Restricted | 11 |
| Lotus corniculatus | birdsfoot trefoil | invasive | Unregulated | 3 |
| Lysimachia nummularia | creeping yellow loosestrife, creeping Jenny | invasive | Universally Restricted | 2 |
| Lysimachia vulgaris | garden loosestrife | invasive | Universally Restricted | 1 |
| Lythrum salicaria | purple loosestrife | invasive | Universally Restricted | 16 |
| Melilotus albus | white sweetclover | invasive | Unregulated | 5 |
| Melilotus officinalis | yellow sweet-clover | invasive | Unregulated | 3 |
| Melilotus officinalis | sweetclover | introduced | Unregulated | 60 |
| Microstegium vimineum | Japanese stiltgrass | invasive | Universally Prohibited | 6 |
| Miscanthus | Miscanthus | introduced | Unregulated | 1 |
| Miscanthus sacchariflorus | creeping miscanthus | invasive | Universally Restricted WISC Recommendation | 4 |
| Morus alba | white mulberry | invasive | Universally Restricted | 5 |
| Myosotis scorpioides | true forget-me-not | invasive | Universally Restricted | 18 |
| Myriophyllum spicatum | Eurasian watermilfoil | invasive | Universally Restricted | 22 |
| Pastinaca sativa | wild parsnip | invasive | Universally Restricted | 308 |
| Phalaris arundinacea | reed canarygrass | invasive | Unregulated | 20 |
| Pistia stratiotes | water lettuce | invasive | Universally Prohibited | 3 |
| Populus alba | white poplar | invasive | Universally Restricted | 1 |
| Potamogeton crispus | curly leaf pondweed | invasive | Universally Restricted | 54 |
| Reynoutria japonica | Japanese knotweed | invasive | Universally Restricted | 29 |
| Reynoutria spp. | knotweed species (nonnative) | invasive | Unregulated | 2 |
| Reynoutria x bohemica | Bohemian knotweed, Hybrid Japanese knotweed | invasive | Unregulated | 1 |
| Rhamnus cathartica | common buckthorn, European buckthorn | invasive | Universally Restricted | 28 |
| Robinia pseudoacacia | black locust | invasive | Universally Restricted | 11 |
| Rosa multiflora | multiflora rose | invasive | Universally Restricted | 7 |
| Rubus parvifolius | small-leaf bramble | invasive | Unregulated | 1 |
| Saponaria officinalis | bouncingbet | introduced | Unregulated | 1 |
| Securigera varia | purple crown-vetch | invasive | Unregulated | 84 |
| Solanum dulcamara | bittersweet nightshade | introduced | Unregulated | 1 |
| Tanacetum vulgare | common tansy | invasive | Universally Restricted | 3 |
| Typha angustifolia | narrow-leaved cattail | invasive | Universally Restricted | 16 |
| Ulmus pumila | Siberian elm | invasive | Universally Restricted | 6 |
| Vinca minor | common periwinkle | invasive | Unregulated | 1 |
| Scientific Name | Common Name | WI Status | NR40 Classification | FREQUENCY |