Threatened and endangered Illinois wetland species
There are roughly 197 threatened and endangered species in Illinois that depend on wetlands
during some portion of their life cycle. The symbols E and T indicate whether the species is
endangered or threatened in the state.
Amphibians
There are 5 threatened or endangered wetland amphibians in Illinois.
- Ambystoma platineum--silvery salamander--E
- Cryptobranchus alleganiensis--hellbender--E
- Desmognathus fuscus--Dusky salamander--E
- Hemidactylium scutatum--four-toed salamander--T
- Pseudacris streeckeri--Illinois chorus frog--T
Birds
Thre are 30 threatened or endangered wetland bird species in Illinois.
- Asio flammeus--Short-eared owl--E
- Botaurus lentiginosus--American bittern--E
- Buteo linneatus--Red-shouldered hawk--E
- Casmerodius albus--Great egret--T
- Catharus fuscescens--Veery--T
- Certhia americana--Brown creeper--T
- Charadrius melodus--Piping plover--E
- Chlidonias niger--Black tern--E
- Circus cyaneus--Northern harrier--E
- Coturnicops noveboracensis--Yellow rail--E
- Egretta caerulea--Little blue heron--E
- Egretta thula--Snowy egret--E
- Gallinula chloropus--Common moorhen--T
- Grus canadensis--Sandhill crane--E
- Haliaeetus leucocephalus--Bald eagle--E
- Ictinia mississippiensis--Mississippi kite--E
- Ixobrychus exilis--Least bittern--E
- Laterallus jamaicensis--Black rail--E
- Nycticorax nycticorax--Black-crowned night heron--E
- Nyctanassa violacea--Yellow-crowned night heron--T
- Pandion haliaetus--Osprey--E
- Phalacrocorax auritus--Double-crested cormorant--T
- Phalaropus tricolor--Wilson's phalarope--E
- Podilymbus podiceps--Pied-billed grebe--T
- Rallus elegans--King rail--T
- Sterna antillarum--Least tern--E
- Sterna forsteri--Forster's tern--E
- Sterna hirundo--Common tern--E
- Thyromanes bewickii--Bewick's Wren--E
- Xanthocephalus xanthocephalus--Yellow-headed blackbird--E
Mammals
There are 8 threatened or endangered wetland mammals in Illinois.
- Myotis sodalis--Indiana Bat--E
- Myotis austroriparius--Southeastern myotis--E
- Myotis grisescens--Gray Bat--E
- Plecotus rafinesquii--Rafinesques's big-eared bat--E
- Oryzomys palustris--Rice rat--T
- Ochrotomys nuttalli--Golden mouse--T
- Lutra canadensis--River otter--E
- Lynx rufus--Bobcat--T
Invertebrates
There are 3 endangered or threatened wetland invertebrate in Illinois.
Insects
- Calephelis muticum--Swamp metalmark--E
- Nannothemis bella--Elfin skimmer dragonfly--T
- Somatochlora hineana--Hine's emerald dragonfly--E
Fish
There are 4 threatened or endangered wetland fish in Illinois.
Agnatha
- Lampetra aepyptera--Least brook lamprey--T
Osteichthyes
- Lepomis punctatus--Spotted sunfish--T
- Lepomis symmetricus--Bantam sunfish--T
- Notropis maculatus--Taillight shiner--E
Plants
There are 138 threatened or endangered wetland plants in Illinois.
- Alnus rugosa--Speckled adler--E
- Amelanchier interior--Shadbush--E
- Aristolochia serpentaria--Virginia snakeroot--T
- Aster furcatus--Forked aster--T
- Beckmannia syzigachne--American slough grass--E
- Bartonia paniculata--Screwstem--E
- Betula alleghaniensis--Yellow birch--E
- Boltonia decurrens--Decurrent false aster--T
- Calla palustris--Water arum--E
- Calopogon tuberosus--Grass pink orchid--E
- Cardamine pratensis--Cuckoo flower--E
- Carex alata--Winged sedge--E
- Carex--arkansana--sedge--E
- Carex aurea--Golden sedge--E
- Carex brunnescens--Brownish sedge--E
- Carex chordorrhiza--Cordroot sedge--E
- Carex canescens--Sedge--E
- Carex crawei--Crawe's sedge--T
- Carex crawfordii--Sedge--E
- Carex cryptolepis--sedge--E
- Carex disperma--Shortleaf sedge--E
- Carex decomposita--Cypress-knee sedge--E
- Carex intumescens--Swollen sedge--E
- Carex gigantea--Large sedge--E
- Carex oxylepis--Sharp-scaled sedge--E
- Carex oligosperma--Few-seeded sedge--E
- Carex reniformis--Reniform sedge--E
- Carex prasina--Drooping sedge--E
- Carex rostrata--Beaked sedge--E
- Carex trisperma--Three-seeded sedge--E
- Carex tuckermanii--Tuckerman's sedge--E
- Carex viridula--Little green sedge--E
- Chamaedaphne calyculata--Leatherleaf--T
- Cimicfuga racemosa--False bugbane--E
- Clematis crispa--Blue jasmine--E
- Clematis viorna--Leatherflower--E
- Conioselinum chinese--Hemlock parsley--E
- Cornus canadensis--Bunchberry--E
- Cynosciadium digitatum--Finger dog-shade--E
- Cypripedium calceolus--Small yellow lady's slipper--E
- Cypripedium acaule--Moccasin flower, Pink lady's slipper--E
- Cypripedium candidum--White lady's slipper--E
- Cypripedium reginae--Showy lady's slipper--E
- Drosera intermedia--Narrow-leaved sundew--T
- Drosera rotundifolia--Round-leaved sundew--E
- Dryopteris celsa--Log fern--E
- Echinodorus tenellus--Small burhead--E
- Eleocharis pauciflora--Few flowered spikerush--E
- Eleocharis rostellata--Beaked spikerush--T
- Epilobium strictum--Downy willow herb--T
- Eriophorum virginicum--Rusty cotton grass--E
- Eriophorum viridi-carinatum--Tall cotton grass--E
- Eupatorium incarnatum--Thoroughwort--E
- Filipendula rubra--Queen-of-the-prairie--T
- Fimbristylis annua--Baldwin's fimbristylis--E
- Fimbristylis vahlii--Vahl's fimbristylis--E
- Galium labradoricum--Bog bedstraw--T
- Gaultheria procumbens--Wintergreen--E
- Glyceria arkansana--Arkansas manna-grass--E
- Glyceria borealis--Northern manna-grass--E
- Helianthus angustifolius--Narrow-leaved sunflower--T
- Helianthus giganteus--Tall sunflower--E
- Heteranthera reniformis--Mud plantain--E
- Hydrocotyle ranunculoides--Water-pennywort--E
- Hydrolea uniflora--One-flowered hydrolea--E
- Hypericum adpressum--Shore St. John's wort--E
- Isoetes butleeri--Quillwort--E
- Juncus alpinus--Richardson's rush--E
- Juncus vaseyi--Vasey's rush--E
- Justicia ovata--Water willow--E
- Larix laricina--Tamarack--T
- Leptochloa panicoides--Salt meadow grass--E
- Lycopodium inundatum--Bog clubmoss--E
- Lysimachia fraseri--Loosestrife--E
- Lysimachia radicans--Creeping loosestrife--E
- Melothria pendula--Squirting cucumber--E
- Mimulus glabratus--Yellow monkey flower--E
- Panicum joorii--Panic grass--E
- Panicum stipitatum--Tall flat panic grass--E
- Panicum yadkinense--Panic grass--E
- Paspalum dissectum--Bead grass--E
- Planera aquatica--Water elm--E
- Platanthera clavellata--Wood orchid--E
- Platanthera flava--Tubercled orchid--E
- Platanthera flava herbiola--Tubercled orchid--E
- Platanthera leucophaea--Pairie whithe fringed orchid--E
- Poa autumnalis--Autumn bluegrass--E
- Pognia ophioglossoides--Snake-mouth--E
- Polygonatum pubescens--Downy Solomon's seal--T
- Polygonum arifolium--Halbred-leaved tearthumb--E
- Primula mistassinica--Bird's-eye primrose--E
- Puccinellia pallida--Pole manna-grass--E
- Rhamnus alnifolia--Alder buckthorn--E
- Rhynchospora globularis--Grass beaked rush--E
- Rhynchospora glomerata--Clustered beaked rush--E
- Ribes hirtellum--Northern gooseberry--E
- Rorippa islandica hispida--Hairy marsh yellow cress--E
- Rubus pubescens--Dwarf Raspberry--T
- Rubus setosus--Bristly blackberry--E
- Sagittaria longirostra--Arrowhead--E
- Salix serissima--Autumn willow--E
- Sambucus pubens--Red-berried elder--T
- Sanguisorba canadensis--American burnet--E
- Sarracenia purpurea--Pitcher plant--E
- Scheuchzeria palustris--Arrow-grass--E
- Scirpus cespitosus--Tufted bulrush--E
- Scripus hattorianus--Bulrush--E
- Scirpus paludosus--Alkali bulrush--E
- Scirpus polyphyllus--Bulrush--T
- Scirpus purshianus--Weak bulrush--E
- Scirpus smithii--Smith's bulrush--E
- Sorbus americana--American mountain ash--E
- Sparganium americanum--American burreed--E
- Sparganium chlorocarpum--Green-fruited burreed--E
- Spiranthes romanzoffiana--Hooded ladies' tresses--E
- Styrax americana--Patterson bindweed--T
- Styrax americana--Storax--T
- Sullivantia renifolia--Sullivantia--T
- Thalia dealbata--Powdery thalia--E
- Thismia americana--Thismia--E
- Thuja occidentalis--Arbor vitae--T
- Tofieldia glutinosa--False asphodel--T
- Trientalis borealis--Star-flower--T
- Triglochin maritima--Common bog arrowgrass--E
- Triglochin palustris--Slender bog arrowgrass--E
- Utricularia cornuta--Horned bladderwort--E
- Utricularia intermedia--Flat-leaved bladderwort--E
- Utricularia minor--Small bladderwort--E
- Vaccinium corymbosum--Highbush blueberry--E
- Vaccinium macrocarpon--Large cranberry--E
- Vaccinium oxycoccos--Small cranberry--E
- Valeriana uliginosa--Marsh valerian--E
- Veronica americana--American brooklime--E
- Veronica scutellata--Marsh speedwell--T
- Viola incognita--Hairy white violet--E
- Viola primulifolia--Primrose violet--E
- Zigadenus glaucus--White camass--E
Reptiles
There are 9 threatened or endangered wetland reptiles in Illinois.
- Clemmys guttata--Spotted turtle--E
- Clonophis kirtlandi--Kirtland's snake--T
- Kinosternon flavescens--Illinois mud turtle--E
- Macroclemys temmincki--Alligator snapping turtle--T
- Nerodia cyclopion--Green water snake--T
- Nerodia fasciata--Broad-banded water snake--E
- Pseudemys concinna--River cooter--E
- Sistrurus catenatus--Eastern massasauga--E
- Thamnophis sauritus--Eastern ribbon snake--E
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