Great Lakes

Alliaria petiolata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Alliaria petiolata (garlic mustard)
Actaea pachypoda White baneberry  

Ohio Department of Natural Resources,

The Nature Conservancy

Aquilegia canadensis Columbine  

Ohio Department of Natural Resources,

The Nature Conservancy

Phlox divaricata Blue phlox  

Ohio Department of Natural Resources,

The Nature Conservancy

Cimicifuga racemosa Black cohosh  

Ohio Department of Natural Resources,

The Nature Conservancy

Azolla pinnata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Azolla pinnata (mosquito fern)
Lemna minor Common duck weed Floating Illinois-Indiana Sea Grant

Butomus umbellatus 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Butomus umbellatus (flowering rush)
Juncus effusus Common rush, soft rush Marginal

Midwest Invasive Plant Network

City of Chicago

Illinois-Indiana Sea Grant

Schoenoplectus pungens Common threesquare Marginal

Midwest Invasive Plant Network

City of Chicago

Illinois-Indiana Sea Grant

Schoenoplectus acutus Hardstem bulrush Marginal

Midwest Invasive Plant Network

City of Chicago

Illinois-Indiana Sea Grant

Sagittaria latifolia Broadleaf arrowhead Marginal Illinois-Indiana Sea Grant

Cabomba caroliniana 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Cabomba caroliniana (Carolina fanwort)
Elodea canadensis American waterweed Submerged Illinois-Indiana Sea Grant

Channa spp. 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Channa spp.(snakehead)
Lepisosteus platostomus Short-nosed gar   City of Chicago

Cipangopaludina chinensis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Cipangopaludina chinensis (Chinese mystery snail)
Pomacea bridgesii Tropical apple snail   City of Chicago

Egeria densa 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Egeria densa (Brazilian elodea, waterweed)
Elodea canadensis Canadian waterweed Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Eichornia crassipes 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Eichornia crassipes (water hyacinth)
Pontederia cordata Pickerel weed Free floating

City of Chicago,

Illinois-Indiana Sea Grant

Peltandra virginica Arrow arum  

City of Chicago,

Illinois-Indiana Sea Grant

Nymphae ordorata White water lily  

City of Chicago,

Illinois-Indiana Sea Grant

Glyceria maxima 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Glyceria maxima (reed managrass)
Glyceria canadensis Rattlesnake mana grass Marginal Illinois-Indiana Sea Grant

Hydrilla verticillata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Hydrilla verticillata (hydrilla)
Elodea canadensis Canadian waterweed Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Vallisneria americana Wild celery  

City of Chicago,

Illinois-Indiana Sea Grant

Potamogeton pectinatus Sago pondweed  

City of Chicago,

Illinois-Indiana Sea Grant

Hydrocharis morsus-ranae 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Hydrocharis morsus-ranae (European frogbit)
Nuphar advena Yellow pond lily  

City of Chicago,

Illinois-Indiana Sea Grant

Nuphar variegatum Bullhead lily   City of Chicago
Nymphae ordorata White water lily  

City of Chicago,

Illinois-Indiana Sea Grant

Nuphar variegata Variegated pond lily Floating Illinois-Indiana Sea Grant
Limnobium spongia American frogbit   Illinois-Indiana Sea Grant

Ipomoea aquatica 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ipomoea aquatica (water spinach)
Justicia americana American water willow   City of Chicago

Iris pseudacorus 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Iris pseudacorus (yellow flag iris)
Iris spp. Louisiana iris   Cornell University Cooperative Extension
Iris x pseudata Pseudata iris   Cornell University Cooperative Extension
Iris ensata Japanese iris   Cornell University Cooperative Extension
Iris versicolor Blueflag iris   Cornell University Cooperative Extension

Lagarosiphon major 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lagarosiphon major (oxygen weed, African elodea)
Elodea canadensis American waterweed Submerged Illinois-Indiana Sea Grant

Ludwigia grandiflora subsp. hexapetala 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ludwigia grandiflora subsp. hexapetala (large-flower primrose-willow)
Iris versicolor Blue flag iris Marginal Illinois-Indiana Sea Grant
Decodon verticillatus Swamp loosestrife Marginal Illinois-Indiana Sea Grant
Saururus cernuus Lizard's tail Marginal Illinois-Indiana Sea Grant
Acorus calamus Sweet flag Marginal Illinois-Indiana Sea Grant
Juncus effusus Soft rush Marginal Illinois-Indiana Sea Grant

Lysimachia nummularia 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lysimachia nummularia (creeping jenny, moneywort)
Chrysogonum virginianum Green and gold   Cornell University Cooperative Extension
Lamium maculatum Spotted dead nettle   Cornell University Cooperative Extension
Mazus reptans Creeping mazus   Cornell University Cooperative Extension
Waldsteinia ternata Siberian barren-strawberry   Cornell University Cooperative Extension
Heuchera Coral bells   Cornell University Cooperative Extension
X Heucherella Foamy bells   Cornell University Cooperative Extension
Sedum acre Goldmoss stonecrop   Cornell University Cooperative Extension
Sedum makinoi Japanese stonecrop   Cornell University Cooperative Extension
Veronica prostrata Creeping speedwell   Cornell University Cooperative Extension
Veronica repens Creeping speedwell   Cornell University Cooperative Extension

Lythrum salicaria 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lythrum salicaria (purple loosestrife)
Decodon verticillatus Swamp loosestrife Marginal Illinois-Indiana Sea Grant
Saururus cernuus Lizard's tail Marginal Illinois-Indiana Sea Grant
Acorus calamus Sweet flag Marginal Illinois-Indiana Sea Grant
Juncus effusus Soft rush Marginal Illinois-Indiana Sea Grant
Liatris spicata Kobold, spiked blazing-star, dense blazing star Marginal

Midwest Invasive Plant Network,

Cornell University Cooperative Extension, 

Illinois-Indiana Sea Grant

Ohio Department of Natural Resources,

The Nature Conservancy

Liatris pychnostachya Blazing stars   Midwest Invasive Plant Network
Vernonia fasciculata Prairie ironweed   Midwest Invasive Plant Network
Lobelia cardinalis, incl. hybrid cultivars Cardinal flower  

Midwest Invasive Plant Network

Ohio Department of Natural Resources,

The Nature Conservancy

Asclepias incarnata Swamp milkweed Marginal

Midwest Invasive Plant Network,

Illinois-Indiana Sea Grant

Lobelia siphilitica Blue lobelia  

Ohio Department of Natural Resources,

The Nature Conservancy

Hibiscus moscheutos Rose mallow  

Ohio Department of Natural Resources,

The Nature Conservancy

Iris versicolor Blue flag iris Marginal

Illinois-Indiana Sea Grant,

Ohio Department of Natural Resources,

The Nature Conservancy

Filipendula purpurea, F. rubra Meadowsweet   Cornell University Cooperative Extension
Physostegia virginiana Obedient plant   Cornell University Cooperative Extension
Salvia nemorosa Perennial sage   Cornell University Cooperative Extension

Marsilea quadrifolia 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Marsilea quadrifolia (European waterclover)
Justicia americana American water-willow Marginal Illinois-Indiana Sea Grant

Misgurnus anguillicaudatus

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Misgurnus anguillicaudatus (Oriental weatherloach)
Chromobotia macracanthus Clown loach   City of Chicago
Botia dario Queen loach   City of Chicago

Myriophyllum aquaticum 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Myriophyllum aquaticum (parrot feather watermilfoil, parrot feather)
Elodea canadensis American waterweed Submerged Illinois-Indiana Sea Grant
Vallisneria americana Wild celery Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Potamogeton pectinatus Sago pondweed Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Ceratophyllum demersum Coontail Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Myriophyllum spicatum

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Myriophyllum spicatum (Eurasian watermilfoil)
Elodea canadensis Canadian waterweed Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Potamogeton pectinatus Sago pondweed Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Vallisneria americana Wild celery Submerged

City of Chicago,

Illinois-Indiana Sea Grant

Najas minor 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Najas minor (brittle waternymph)
Elodea canadensis American waterweed Submerged Illinois-Indiana Sea Grant

Perca fluviatilis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Perca fluviatilis (European perch)
Perca flavescens Native yellow perch  

City of Chicago,

Illinois-Indiana Sea Grant

Phalaris arundinacea 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Phalaris arundinacea (ribbon grass, reed canary grass)
Spartina pectinata ‘Aureomarginata’ Variegated prairie cord grass  

Midwest Invasive Plant Network

Ohio Department of Natural Resources,

The Nature Conservancy

Carex morrowii Ice dance sedge   Midwest Invasive Plant Network
Selsleria autumnalis Autumn moor grass   Midwest Invasive Plant Network
Calamagrostis canadensis Canada bluejoint  

Ohio Department of Natural Resources,

The Nature Conservancy

Sorghastrum nutans Indian grass  

Ohio Department of Natural Resources,

The Nature Conservancy

Phragmites australis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Phragmites australis (common reed grass)
Erianthus ravennae Hardy pampas grass Marginal Illinois-Indiana Sea Grant
Sorghastrum nutans Indian grass  

Ohio Department of Natural Resources,

The Nature Conservancy

Andropogon gerardii Big bluestem  

Ohio Department of Natural Resources,

The Nature Conservancy

Spartina pectinata Prairie cord grass  

Ohio Department of Natural Resources,

The Nature Conservancy

Calamagrostis canadensis Canada bluejoint  

Ohio Department of Natural Resources,

The Nature Conservancy

Potamogeton crispus

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Potamogeton crispus (curlyleaf pondweed)
Elodea canadensis American waterweed Submerged Illinois-Indiana Sea Grant

Ranunculus lingua 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ranunculus lingua (greater spearwort)
Rannunculaceae Buttercup family   City of Chicago

Rhamnus cathartica, R. frangula 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Rhamnus cathartica, R. frangula (common buckthorn, glossy buckthorn)
Carpinus caroliniana American hornbeam   Midwest Invasive Plant Network
Corylus americana American hazelnut   Midwest Invasive Plant Network
Rhamnus alnifolia Dwarf alder   Midwest Invasive Plant Network
Thuja occidentalis American arborvitae, white cedar  

Midwest Invasive Plant Network

Ohio Department of Natural Resources,

The Nature Conservancy

Thuja plicata Western arborvitae   Midwest Invasive Plant Network
Ilex verticillata Winterberry  

Ohio Department of Natural Resources,

The Nature Conservancy

Cornus racemosa, C. amomum Dogwoods  

Ohio Department of Natural Resources,

The Nature Conservancy

Rhamnus caroliniana Carolina buckthorn  

Ohio Department of Natural Resources,

The Nature Conservancy

Trapa natans 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Trapa natans (water chestnut)
Pontederia cordata Pickerel weed Floating

City of Chicago,

Illinois-Indiana Sea Grant

Peltandra virginica Arrow arum Floating

City of Chicago,

Illinois-Indiana Sea Grant

Nymphae ordorata White water lily Floating

City of Chicago,

Illinois-Indiana Sea Grant

Typha angustifolia 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Typha angustifolia (narrowleaf cattail)
Sparganium eurycarpum Broadfruit bur-reed Marginal Illinois-Indiana Sea Grant

Typha orientalis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Typha orientalis (bullrush, cumbungi)
Sparganium eurycarpum Broadfruit bur-reed Marginal Illinois-Indiana Sea Grant

Vallisneria spiralis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Vallisneria spiralis (eel grass)
Vallisneria americana Eel grass Giant tape grass Illinois-Indiana Sea Grant

Xenopus laevis 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Xenopus laevis (African clawed frog)
Lithobates pipiens Leopord frog   City of Chicago
Lithobates catesbeianus Bull frog   City of Chicago