Threatened and endangered Illinois river and stream species
There are 153 threatened and endangered Illinois species that depend on river and stream
ecosystems 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 4 threatened or endangered river and stream amphibians in Illinois.
- Cryptobranchus alleganiensis--Hellbender--E
- Desmognathus fuscus--Dusky salamander--E
- Hemidactylium scutatum--Four-toed salamander--T
- Pseudacris streckeri--Illinois chorus frog--T
Birds
There are 12 threatened or endangered river and stream birds in Illinois.
- Casmerodius albus--Great egret--T
- Certhia americana--Brown creeper--T
- Falco peregrinus--Peregrine falcon--E
- Gallinula chloropus--Common moorhen--T
- Haliaeetus leucocephalus--Bald eagle--E
- Ictinia mississippiensis--Mississippi kite--E
- Nyctanassa violacea--Yellow-crowned night heron--T
- Pandion haliaetus--Osprey--E
- Phalacrocorax auritus--Double-crested cormorant--T
- Phalaropus tricolor--Wilson's phalorope--E
- Sterna antillarum--Least tern--E
- Thryomanes bewickii--Bewick's wren--E
Mammals
There are 3 endangered river and stream mammals in Illinois.
- Lutra canadensis--River otter--E
- Myotis austroriparius--Southeastern myotis--E
- Myotis sodalis--Indiana bat--E
Invertebrates
There are 32 threatened or endangered river and stream invertebrates in Illinois.
Mussels
- Alasmidonta viridis--Slippershell--E
- Cumberlandia monodonta--Spectaclecase--E
- Cyprogenia stegaria--Fanshell--E
- Ellipsaria lineolata--Butterfly mussel--T
- Elliptio crassidens--Elephant-ear--T
- Epioblasma personata--Round combshell--E
- Elliptio dilatata--Spike--T
- Epioblasma propinqua--Tennessee riffleshell--E
- Epioblasma triquetra--Snuffbox--E
- Fusconaia ebena--Ebonyshell--T
- Lampsilis fasciola--Wavy-rayed lampmussel--E
- Lampsilis higginsi--Higgins' eye pearly mussel--E
- Obovaria subrotunda--Round hickorynut--E
- Plethobasus cooperianus--Orange-footed pearly mussel--E
- Plethobasus cyphyus--Sheepnose--E
- Pleurobema clava--Clubshell--E
- Pleurobema cordatum--Ohio pigtoe--E
- Pleurobema rubrum--Pyramid pigtoe--E
- Potamilus capax--Fat pocketbook--E
- Ptychobranchus fasciolaris--Kidneyshell--E
- Quadrula cylindrica--Rabbitsfoot--E
- Simpsonaias ambigua--Salamander mussel--E
- Toxolasma lividus--Purple lilliput--E
- Villosa fabalis--Rayed bean--E
- Villosa iris--Rainbow--E
- Villosa lienosa--Little spectaclecase--E
Crustaceans
- Gammarus acherondytes--Illinois cave amphipod--E
- Gammarus bousfieldi--Bousfield's amphipod--T
- Orconectes indianensis--Indiana crayfish--E
- Orconectes kentuckiensis--Kentucky crayfish--E
- Orconectes placidus--Crayfish--E
Fish
There are 27 threatened or endangered river and stream fish in Illinois.
Agnatha
- Ichthomyzon fossor--Northern brook lamprey--E
- Lampetra aepyptera--Least brook lamprey--T
Osteichthyes
- Acipenser fulvescens--Lake sturgeon--E
- Catostomus catostomus--Longnose sucker--T
- Coregonus artedi--Cisco--T
- Etheostoma camurum--Bluebreast darter--E
- Etheostoma clarum--Western sand darter--E
- Etheostoma exile--Iowa darter--E
- Etheostoma histrio--Harlequin darter--E
- Etheostoma pellucida--Eastern sand darter--E
- Hybognathus hayi--Cypress minnow--E
- Macrhybopsis gelida--Sturgeon chub--E
- Moxostoma carinatum--River redhorse--T
- Moxostoma valenciennesi--Greater redhorse--E
- Nocomis micropogon--River chub--E
- Notropis amblops--Bigeye chub--E
- Notropis amnis--Pallid shiner--E
- Notropis anogenus--Pugnose shiner--E
- Notropis boops--Bigeye shiner--E
- Notropis chalybaeus--Ironcolor shiner--T
- Notropis heterodon--Blackchin shiner--T
- Notropis heterolepis--Blacknose shiner--E
- Notropis hubbsi--Bluehead shiner--E
- Notropis maculatus--Taillight shiner--E
- Notropis texanus--Weed shiner--E
- Noturus stigmosus--Northern madtom--E
- Scaphirhynchus albus--Pallid sturgeon--E
Plants
There are 79 threatened or endangered river and stream plants in Illinois.
- Acalypha deamii--Large-seeded mercury--T
- Alnus rugosa--Speckled alder--E
- Amelanchier interior--Shadbush--E
- Amelanchier sanguinea--Shadbush--E
- Apios priceana--Price's groundnut, Price's potato-bean--E
- Aristolochia serpentaria hastata--Virginia snakeroot--T
- Astragalus tennesseensis--Tennessee milk vetch--E
- Berberis canadensis--Allegheny barberry--E
- Besseya bullii--Kitten tails--T
- Bidens beckii--Water marigold--E
- Boltonia decurrens--Decurrent false aster--T
- Carex gigantea--Large sedge--E
- Carex styloflexa--Bent sedge--E
- Carex tonsa--Shaved sedge--E
- Circaea alpina--Small enchanter's nightshade--E
- Clematis crispa--Blue jasmine--E
- Clematis viorna--Leatherflower--E
- Collinsia violacea--Violet collinsia--E
- Corydalis aurea--Golen corydalis--E
- Corydalis curvisiliqua grandibracteataLarge-bracted corydalis--T
- Corydalis halei--Hale's corydalis--E
- Corylus cornuta--Beaked hazelnut--E
- Cynosciadium digitatum--Finger dog-shade--E
- Draba cuneifolia--Whitlow grass--E
- Eryngium prostratum--Eryngo--E
- Euonymus americanus--Strawberry bush--E
- Euphorbia spathulata--Spurge--E
- Fimbristylis vahlii--Vahl's fimbristylis--E
- Galium virgatum--Dwarf bedstraw--E
- Glyceria arkansana--Arkansas manna-grass--E
- Glyceria borealis--Northern manna-grass--E
- Gymnocarpium robertianum--Scented oak fern--E
- Gymnopogon ambiguus--Beard grass--E
- Hackelia americana--Stickseed--E
- Halesia carolina--Silverbell tree--E
- Heteranthera reniformis--Mud plantain--E
- Hexalectris spicata--Crested coralroot orchid--E
- Hudsonia tomentosa--False heather--E
- Hydrocotyle ranunculoides--Water-pennywort--E
- Iliamna remota--Kankakee mallow--E
- Iresine rhizomatosa--Bloodleaf--E
- Juncus vaseyi--Vasey's rush--E
- Leptochloa panicoides--Salt meadow grass--E
- Lilium superbum--Turk's cap lily--E
- Lyimachia radicans--Creeping loosestrife--E
- Malus angustifolia--Narrow-leaved crabapple--E
- Matelea decipiens--Climbing milkweed--E
- Melanthera nivea--White melanthera--E
- Orobanche ludoviciana--Broomrape--E
- Panicum yadkinense--Panic grass--E
- Paspalum dissectum--Bead grass--E
- Phaeophyscia leana--Lea's bog lichen--E
- Pinus echinata--Shortleaf pine--E
- Plantago cordata--Heart-leaved plantain--E
- Platanthera flava flava--Tubercled orchid--E
- Populus balsamifera--Balsam poplar--E
- Primula mistassinica--Bird's-eye primose--E
- Quercus nuttallii--Nutall's oak--E
- Quercus phellos--Willow oak--T
- Ranunculus cymbalaria--Seaside crowfoot--E
- Sanguisorba canadensis--American burnet--E
- Shepherdia canadensis--Buffaloberry--E
- Sparganium americanum--American burreed--E
- Sparganium chlorocarpum--Green-fruited burreed--E
- Stenanthium gramineum--Grass-leaved lily--E
- Stylisma pickeringii--Patterson bindweed--E
- Styrax americana--Storax--T
- Styrax grandifolia--Bigleaf snowbell bush--E
- Trillium erectum--Ill-scented trillium--E
- Ulmus thomasii--Rock elm--E
- Urtica chamaedryoides--Nettle--T
- Valerianella chenopodifolia--Corn salad--E
- Valerianella umbilicata--Corn salad--E
- Viola canadensis--Canada violet--E
- Viola incognita--Hairy white violet--E
- Viola viarum--Plains violet--E
- Waldsteinia fragarioides--Barren strawberry--E
- Woodsia ilvensis--Rusty woodsia--E
Reptiles
There are 6 threatened or endangered river reptiles in Illinois.
- Clemmys guttata--Spotted 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
- Thamnophis sauritus--Eastern ribbon snake--E
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