Alliaria petiolata 

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Azolla pinnata (mosquito fern)
	Lemna minor	Common duck weed	Floating	Illinois-Indiana Sea Grant

Butomus umbellatus

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Cabomba caroliniana (Carolina fanwort)
	Elodea canadensis	American waterweed	Submerged	Illinois-Indiana Sea Grant

Channa spp.

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Channa spp.(snakehead)
	Lepisosteus platostomus	Short-nosed gar		City of Chicago

Cipangopaludina chinensis

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Cipangopaludina chinensis (Chinese mystery snail)
	Pomacea bridgesii	Tropical apple snail		City of Chicago

Egeria densa

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Egeria densa (Brazilian elodea, waterweed)
	Elodea canadensis	Canadian waterweed	Submerged	City of Chicago, Illinois-Indiana Sea Grant

Eichornia crassipes

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Glyceria maxima (reed managrass)
	Glyceria canadensis	Rattlesnake mana grass	Marginal	Illinois-Indiana Sea Grant

Hydrilla verticillata

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Ipomoea aquatica (water spinach)
	Justicia americana	American water willow		City of Chicago

Iris pseudacorus 

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Lagarosiphon major (oxygen weed, African elodea)
	Elodea canadensis	American waterweed	Submerged	Illinois-Indiana Sea Grant

Ludwigia grandiflora subsp. hexapetala

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Marsilea quadrifolia (European waterclover)
	Justicia americana	American water-willow	Marginal	Illinois-Indiana Sea Grant

Misgurnus anguillicaudatus

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Misgurnus anguillicaudatus (Oriental weatherloach)
	Chromobotia macracanthus	Clown loach		City of Chicago
	Botia dario	Queen loach		City of Chicago

Myriophyllum aquaticum

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Najas minor (brittle waternymph)
	Elodea canadensis	American waterweed	Submerged	Illinois-Indiana Sea Grant

Perca fluviatilis

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Perca fluviatilis (European perch)
	Perca flavescens	Native yellow perch		City of Chicago, Illinois-Indiana Sea Grant

Phalaris arundinacea

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Potamogeton crispus (curlyleaf pondweed)
	Elodea canadensis	American waterweed	Submerged	Illinois-Indiana Sea Grant

Ranunculus lingua

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Ranunculus lingua (greater spearwort)
	Rannunculaceae	Buttercup family		City of Chicago

Rhamnus cathartica, R. frangula

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
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 Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Typha angustifolia (narrowleaf cattail)
	Sparganium eurycarpum	Broadfruit bur-reed	Marginal	Illinois-Indiana Sea Grant

Typha orientalis

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Typha orientalis (bullrush, cumbungi)
	Sparganium eurycarpum	Broadfruit bur-reed	Marginal	Illinois-Indiana Sea Grant

Vallisneria spiralis

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Vallisneria spiralis (eel grass)
	Vallisneria americana	Eel grass	Giant tape grass	Illinois-Indiana Sea Grant

Xenopus laevis

Invader Scientific and Common Name	Alternative Scientific Name	Alternative Common Name	Plant Type	Sources
Xenopus laevis (African clawed frog)
	Lithobates pipiens	Leopord frog		City of Chicago
	Lithobates catesbeianus	Bull frog		City of Chicago