Threatened and endangered Illinois prairie species
There are 127 threatened and endangered Illinois species that depend on prairie 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 is a single threatened prairie amphibian in Illinois: the Illinois chorus frog.
- Pseudacris streckeri subsp. illinoensis--Illinois chorus frog--T
Birds
There are 17 threatened or endangered prairie birds in Illinois.
- Ictinia mississippiensis--Mississippi kite --E
- Circus cyaneus--Northern harrier --E
- Tympanuchus cupido--Greater prairie-chicken --E
- Coturnicops noveboracensis--Yellow rail --E
- Laterallus jamalcensis--Black rail --E
- Grus canadensis--Sandhill crane --E
- Bartramia longicauda--Upland sandpiper --E
- Tyto alba--Common barn owl --E
- Asio flammeus--Short-eared owl --E
- Lanius ludovicianus--Loggerhead shrike --T
- Ammodramus henslowii--Henslow's sparrow --E
- Botarurus lentiginosus--American bittern--E
- Buteo swainsoni--Swainson's hawk--E
- Catharus fuscescens--Veery--T
- Euphagus cyanocephalus--Brewer's blackbird--T
- Phalaropus tricolor--Wilson's pharlarope--E
- Thryomanes bewickii--Bewick's wren--E
Invertebrates
There are 4 threatened or endangered prairie invertebrates in Illinois.
Insects
- Atrytone arogos--Arogos skipper--E
- Hesperia metea--Cobweb skipper--T
- Hesperia ottoe--Ottoe skipper--T
- Papaipema eryngii--Eryngium stem borer--E
Plants
There are 101 threatened or endangered prairie plants in Illinois.
- Agalinis skinneriana--Pale false foxglove--T
- Agropyron subsecundum--Bearded wheat grass--E
- Andropogon ternarius--Silver broom sedge--E
- Artesemia dracunculus--False taragon, Dragon wormwood--E
- Asceplias lanuginosa--Woolly milkweed--E
- Asclepias meadii--Mead's milkweed--E
- Asclepias ovalifolia--Oval milkweed--E
- Asclepias stenophylla--Narrow-leaved green milkweed--T
- Astragalus crassicarpus var. trichocalyx--Large ground plum--E
- Astragalus tennesseensis--Tennessee milk vetch--E
- Beckmannia syzigachne--American slough grass--E
- Besseya bullii--Kittentails--T
- Betula populifolia--Gray birch--E
- Boltonia decurrens--Decurrent false aster--T
- Boltrychium multifidum--Northern grape fern--E
- Botrychium simplex--Dwarf grape fern--E
- Bumelia lanuginosa--Wooly buckthorn--E
- Calopogon tuberosus--Grass pink orchid--E
- Camassia angusta--Wild hyacinth--E
- Carex aurea--Golden sedge--E
- Carex crawei--Sedge--T
- Carex heliophila--Sedge--E
- Carex lucorum--Sedge--E
- Carex tonsa--Sedge--E
- Castilleja sessiliflora--Downy yellow painted cup--E
- Ceanothus ovatus--Redroot--E
- Cirsium hillii--Hill's thistle--T
- Compronia peregrina--Sweetfern--E
- Corydalis curvisiliqua var. grandibracteata--Corydalis--T
- Cyperus grayioides--Umbrella sedge--T
- Cypripedium calceolus var. parviflorum--Small yellow lady's slipper--E
- Cypripedium candidum--White lady's slipper--E
- Cypripedium reginae--Showy lady's slipper--E
- Drosera intermedia--Narrow-leaved sundew--T
- Eriophorum viridi-carinatum--Tall cotton grass--E
- Erythronium mesochoreum--Prairie trout-lily--E
- Filipendula rubra--Queen-of-the-prairie--T
- Fimbristylis vahlii--Vahl's fimbristylis--E
- Heliotropium tenellum--Slender heliotrope--E
- Hexalectris spicata--Crested coralroot orchid--E
- Hudsonia tomentosa--False heather--E
- Hymenoxys acaulis var. glabra--Lakeside daisy--E
- Hypericum kalmianum--Kalm's St. John's wort--E
- Isoetes butleri--Quillwirt--E
- Juncus alpinus--Richardson's rush--E
- Juncus vaseyi --Vasey's rush--E
- Lactuca ludoviciana--Western wild lettuce--E
- Lechea intermedia--Pinweed--E
- Lespedeza leptostachya--Prairie bush clover--E
- Lesquerella ludoviciana--Silvery bladderpod--E
- Lycopodium clatatum--Running pine--
- Lycopodium dendroideum--Ground pine--E
- Lycopodium inundatum--Bog clubmoss--E
- Melanthium virginicum--Bunchflower--T
- Microseris cuspidata--Prairie dandelion--E
- Mirabilis hirsuta--Hairy umbrella wort--E
- Oenothera perennis--Small sundrops --E
- Opuntiafragilis--Fragile prickly pear--E
- Orobanche fasciculata--Clustered broomrape--E
- Orobanche ludoviciana--Broomrape--E
- Panicum boreale--Northern panic grass--E
- Penstemon grandiflorus--Large-flowered beard tongue--E
- Petalostemon foliosum--Leafy prairie clover--E
- Phacelia gilioides--Phacelia--E
- Phlox pilosa subsp. sangamonensis--Sangamon phlox--E
- Platanthera ciliaris--Orange fringed orchid--E
- Platanthera clavellata--Wood orchid--E
- Platanthera flava var. herbiola--Tubercled orchid--E
- Platanthera leucophaea--Prairie white fringed orchid--E
- Platanthera psycodes--Purple fringed orchid--E
- Pogonia ophioglossoides--Snake-mouth--E
- Polanisia jamesii--James' clammyweed--E
- Polygala incarnata--Pink milkwort--E
- Polygonum careyi--Carey's heartsease--E
- Populus balsamifera--Balsam poplar--E
- Potentilla millegrana--Cinquefoil--E
- Ranunculus rhomboideus--Prairie buttercup--T
- Rubus setosus--Bristly blackberry--E
- Rudbeckia missouriensis--Missouri orange coneflower--E
- Rumex hastatulus--Sour dock--E
- Sabatia campestris--Prairie rose gentian--E
- Salvia azurea subsp. pitcheri--Blue sage--T
- Sanguisorba canadensis--American burnet--E
- Silene regia--Royal catchfly--E
- Silphium trifoliatum--Rosinweed--E
- Sisyrinchium atlanticum--Eastern blue-eyed grass--E
- Sisyrinchium montanum--Mountain blue-eyed grass--E
- Sphaeralcea angusta--Globe mallow--E
- Spiranthes lucida--Yellow-lipped lady's tresses--E
- Spiranthes vernalis--Spring lady's tresses--E
- Stylisma pickeringii--Patterson bindweed--E
- Talinum calycinum--Fameflower--E
- Thismia americana--Thismia--E
- Tomanthera auriculata--Ear-leafed foxglove--T
- Tradescantia bracteata--Prairie spiderwort--E
- Triadenum virginicum--Marsh St. John's wort--E
- Trifolium reflexum--Buffalo clover--E
- Trillium viride--Green trillium--T
- Viola primulifolia--Primrose violet--E
- Viola viarum--Plains violet--E
- Zigadenus glaucus--White camass--E
Reptiles
There are 4 threatened or endangered prairie reptiles in Illinois.
- Clemmys guttata--Spotted turtle--E
- Kinosternon flavescens--Illinois mud turtle--E
- Heterodon nasicus--Western hognose snake--T
- Sistrurus catenatus--Eastern massasauga--E
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