Skip Ribbon Commands
Skip to main content

Utility Links

​​​​​​​​​​​
​​​​​​​​​​​​​​​​​

Breadcrumb

  1. Illinois DNR
  2. Conservation
  3. Natural Heritage

Endangered and Threatened Plants

Common name Species Status
Moschatel Adoxa moschatellina Endangered
Speckled Alder Alnus incana Endangered
Shadbush Amelanchier sanguinea Endangered
Smooth False Indigo Amorpha nitens Endangered
​Bog Rosemary ​Andromeda glaucophylla ​Endangered
Bearberry Arctostaphylos uva-ursi Endangered
Dragon Wormwood Artemisia dracunculus Endangered
Wooly Milkweed Asclepias lanuginosa Endangered
Mead's Milkweed Asclepias meadii Endangered
Oval Milkweed Asclepias ovalifolia Endangered
Narrow-leaved Green Milkweed Asclepias stenophylla Endangered
Bradley's Spleenwort Asplenium bradleyi Endangered
Black Spleenwort Asplenium resiliens Endangered
Large Ground Plum Astragalus crassicarpus var. trichocalyx Endangered
Bent Milk Vetch Astragalus distortus Endangered
Tennessee Milk Vetch Astragalus tennesseensis Endangered
Yellow Wild Indigo Baptisia tinctoria Endangered
Screwstem Bartonia paniculata Endangered
American Slough Grass Beckmannia syzigachne Endangered
Supple-Jack Berchemia scandens Endangered
Yellow Birch Betula alleghaniensis Endangered
​Southern Grape Fern ​Botrychium biternatum ​Endangered
Prairie Moonwort Botrychium campestre Endangered
Daisyleaf Grape Fern Botrychium matricariifolium Endangered
Northern Grape Fern Botrychium multifidum Endangered
Dwarf Grape Fern Botrychium simplex Endangered
Blue Grama Bouteloua gracilis Endangered
Wooly Buckthorn Bumelia lanuginosa Endangered
Hollow Reed Grass  Calamagrostis insperata Endangered
Water Arum Calla palustris Endangered
Oklahoma Grass Pink Orchid Calopogon oklahomensis Endangered
Grass Pink Orchid Calopogon tuberosus Endangered
Wild Hyacinth Camassia angusta Endangered
Cuckoo Flower Cardamine pratensis var. palustris Endangered
Winged Sedge Carex alata Endangered
Arkansas Sedge Carex arkansana Endangered
Brownish Sedge Carex brunnescens Endangered
Silvery Sedge Carex canescens Endangered
Cordroot Sedge Carex chordorrhiza Endangered
Crawford’s Sedge Carex crawfordii Endangered
Sedge Carex cumulata Endangered
Cypress-knee Sedge Carex decomposita Endangered
Sedge Carex diandra Endangered
Shortleaf Sedge Carex disperma Endangered
Sedge Carex echinata Endangered
Sedge Carex formosa Endangered
Elk Sedge Carex garberi Endangered
Large Sedge Carex gigantea Endangered
Plains Sedge Carex heliophila Endangered
​Swollen Sedge ​Carex intumescens ​Endangered
Black-edged Sedge Carex nigromarginata Endangered
Few-seeded Sedge Carex oligosperma Endangered
Bellow’s Beak Sedge Carex physorhyncha Endangered
Plaintain-leaved Sedge Carex plantaginea Endangered
Reniform Sedge Carex reniformis Endangered
Three-seeded Sedge Carex trisperma Endangered
Tuckerman's Sedge Carex tuckermanii Endangered
Pale Hickory Carya pallida Endangered
Downy Yellow Painted Cup Castilleja sessiliflora Endangered
Redroot Ceanothus herbaceus Endangered
Fairy Wand Chamaelirium luteum Endangered
Seaside Spurge Chamaesyce polygonifolia Endangered
Spotted Wintergreen Chimaphila maculata Endangered
Pipsissewa Chimaphila umbellata Endangered
American Bugbane Cimicifuga americana Endangered
False Bugbane Cimicifuga racemosa Endangered
​Black Cohosh Cimicifuga rubifolia​ ​Endangered
Small Enchanter's Nightshade Circaea alpina Endangered
Yellowwood Cladrastis lutea Endangered
Blue Jasmine Clematis crispa Endangered
Mountain Clematis Clematis occidentalis Endangered
Leatherflower Clematis viorna Endangered
Violet Collinsia Collinsia violacea Endangered
Sweetfern Comptonia peregrina Endangered
Hemlock Parsley Conioselinum chinense Endangered
​Spotted Coral-root Orchid ​Corallorhiza maculata ​Endangered
Bunchberry Cornus canadensis Endangered
Golden Corydalis Corydalis aurea Endangered
Hale's Corydalis Corydalis halei Endangered
Pink Corydalis Corydalis sempervirens Endangered
Beaked Hazelnut Corylus cornuta Endangered
Cynosciadium Cynosciadium digitatum Endangered
Moccasin Flower Cypripedium acaule Endangered
Small Yellow Lady's Slipper Cypripedium parviflorum Endangered
Showy Lady's Slipper Cypripedium reginae Endangered
Laurentian Fragile Fern Cystopteris laurentiana Endangered
Leafy Prairie Clover Dalea foliosa Endangered
Hay-scented Fern Dennstaedtia punctilobula Endangered
Hairgrass Deschampsia flexuosa Endangered
Northern Panic Grass Dichanthelium boreale Endangered
Panic Grass Dichanthelium joori Endangered
Hemlock Panic Grass Dichanthelium portoricense Endangered
Ravenel’s Panic Grass Dichanthelium ravenelii Endangered
Panic Grass Dichanthelium yadkinense Endangered
Whitlow Grass Draba cuneifolia Endangered
Round-leaved Sundew Drosera rotundifolia Endangered
Log Fern Dryopteris celsa Endangered
Small Burhead Echinodorus tenellus Endangered
Capitate Spikerush Eleocharis olivacea Endangered
Few-flowered Spikerush Eleocharis pauciflora Endangered
​Bearded Wheat Grass ​Elymus trachycaulus ​Endangered
Dwarf Scouring Rush Equisetum scirpoides Endangered
Woodland Horsetail Equisetum sylvaticum Endangered
Rusty Cotton Grass Eriophorum virginicum Endangered
Eryngo Eryngium prostratum Endangered
Hyssop-leaved Thoroughwort Eupatorium hyssopifolium Endangered
Spurge Euphorbia spathulata Endangered
Vahl's Fimbry Fimbristylis vahlii Endangered
Boykin's Dioclea Galactia mohlenbrockii Endangered
Dwarf Bedstraw Galium virgatum Endangered
Northern Cranesbill Geranium bicknellii Endangered
Arkansas Mannagrass Glyceria arkansana Endangered
Hedge Hyssop Gratiola quartermaniae Endangered
Oak Fern Gymnocarpium dryopteris Endangered
Scented Oak Fern Gymnocarpium robertianum Endangered
Stickseed Hackelia deflexa var. americana Endangered
Silverbell Tree Halesia carolina Endangered
Tall Sunflower Helianthus giganteus Endangered
Slender Heliotrope Heliotropium tenellum Endangered
Mud Plantain Heteranthera reniformis Endangered
Crested Coralroot Orchid Hexalectris spicata Endangered
False Heather Hudsonia tomentosa Endangered
One-flowered Hydrolea Hydrolea uniflora Endangered
Shore St. John's Wort Hypericum adpressum Endangered
Kalm's St. John's Wort Hypericum kalmianum Endangered
Kankakee Mallow Iliamna remota Endangered
Bloodleaf Iresine rhizomatosa Endangered
Butler’s Quillwort Isoetes butleri Endangered
​Small Whorled Pogonia ​Isotria medeoloides​ ​Endangered
Whorled Pogonia Isotria verticillata Endangered
Vasey's Rush Juncus vaseyi Endangered
Trailing Juniper Juniperus horizontalis Endangered
Water Willow Justicia ovata Endangered
​Savanna Pinweed ​Lechea intermedia ​Endangered
Prairie Bush Clover Lespedeza leptostachya Endangered
Silvery Bladderpod Lesquerella ludoviciana Endangered
Red Honeysuckle Lonicera dioica var. glaucescens Endangered
Yellow Honeysuckle Lonicera flava Endangered
Hairy Woodrush Luzula acuminata Endangered
Bog Clubmoss Lycopodiella inundata Endangered
Running Pine Lycopodium clavatum Endangered
Ground Pine Lycopodium dendroideum Endangered
Creeping Loosestrife Lysimachia radicans Endangered
Narrow-leaved Crabapple Malus angustifolia Endangered
False Mallow Malvastrum hispidum Endangered
Climbing Milkweed Matelea decipiens Endangered
Indian Cucumber Root Medeola virginiana Endangered
Water Marigold Megalodonta beckii Endangered
White Melanthera Melanthera nivea Endangered
Two-Flowered Melic Grass Melica mutica Endangered
​Stickleaf ​Mentzelia oligosperma ​Endangered
Yellow Monkey Flower Mimulus glabratus Endangered
Hairy Umbrella-wort Mirabilis hirsuta Endangered
Baby Blue-eyes Nemophila triloba Endangered
Prairie Dandelion Nothocalais cuspidata Endangered
Fragile Prickly Pear Opuntia fragilis Endangered
Clustered Broomrape Orobanche fasciculata Endangered
Large-flowered Beard Tongue Penstemon grandiflorus Endangered
Tube Beard Tongue Penstemon tubaeflorus Endangered
Ozark Phacelia Phacelia gilioides Endangered
Long Beech Fern Phegopteris connectilis Endangered
Sangamon Phlox Phlox pilosa subsp. Sangamonensis Endangered
Jack Pine Pinus banksiana Endangered
Shortleaf Pine Pinus echinata Endangered
Red Pine Pinus resinosa Endangered
Heart-leaved Plantain Plantago cordata Endangered
Orange Fringed Orchid Platanthera ciliaris Endangered
Wood Orchid Platanthera clavellata Endangered
Eastern Prairie Fringed Orchid Platanthera leucophaea Endangered
Purple Fringed Orchid Platanthera psycodes Endangered
Grove Bluegrass Poa alsodes Endangered
Weak Bluegrass Poa languida Endangered
Wolf's Bluegrass Poa wolfii Endangered
Snake-mouth Pogonia ophioglossoides Endangered
James' Clammyweed Polanisia jamesii Endangered
Pink Milkwort Polygala incarnata Endangered
Carey's Heartsease Polygonum careyi Endangered
Balsam Poplar Populus balsamifera Endangered
White-stemmed Pondweed Potamogeton praelongus Endangered
Spotted Pondweed Potamogeton pulcher Endangered
Fern Pondweed Potamogeton robbinsii Endangered
Stiff Pondweed Potamogeton strictifolius Endangered
Bird's-eye Primrose Primula mistassinica Endangered
Mock Bishop's Weed Ptilimnium nuttallii Endangered
Nuttall's Oak Quercus texana Endangered
Alder Buckthorn Rhamnus alnifolia Endangered
Dull Meadow Beauty Rhexia mariana Endangered
​Beaked Rush ​Rhynchospora alba ​Endangered
Clustered Beak Rush Rhynchospora glomerata Endangered
Northern Gooseberry Ribes hirtellum Endangered
Bristly Rose Rosa acicularis Endangered
Prairie Rose Gentian Sabatia campestris Endangered
Arrowhead Sagittaria australis Endangered
Autumn Willow Salix serissima Endangered
Dune Willow Salix syrticola Endangered
Red-berried Elder Sambucus racemosa subsp. Pubens Endangered
American Burnet Sanguisorba canadensis Endangered
Southern Black Snakeroot  Sanicula smallii Endangered
Pitcher Plant Sarracenia purpurea Endangered
Early Saxifrage Saxifraga virginiensis Endangered
False Melic Grass Schizachne purpurascens Endangered
Pursh's Bulrush Schoenoplectus purshianus Endangered
Smith's Bulrush Schoenoplectussmithii Smith's Endangered
Bulrush Scirpus hattorianus Endangered
Bulrush -fruited Bulrush Scirpus microcarpus Endangered
Muhlenberg’s Nut Rush Scleria muhlenbergii Endangered
Carolina Whipgrass Scleria pauciflora Endangered
Buffaloberry Shepherdia canadensis Endangered
Ovate Catchfly Silene ovata Endangered
Royal Catchfly Silene regia Endangered
​Eastern Blue-eyed Grass ​Sisyrinchium atlanticum ​Endangered
Mountain Blue-eyed Grass Sisyrinchium montanum Endangered
American Mountain Ash Sorbus americana Endangered
American Bur-reed Sparganium americanum Endangered
Green-fruited Bur-reed Sparganium emersum Endangered
Yellow-lipped Ladies' Tresses Spiranthes lucida Endangered
Spring Ladies' Tresses Spiranthes vernalis Endangered
Great Chickweed Stellaria pubera Endangered
Patterson's Bindweed Stylisma pickeringii Endangered
Bigleaf Snowbell Bush Styrax grandifolius Endangered
Snowberry Symphoricarpos albus var. albus Endangered
Fameflower Talinum calycinum Endangered
Lakeside Daisy Tetraneuris herbacea Endangered
New York Fern Thelypteris noveboracensis Endangered
White Basswood Tilia heterophylla Endangered
Pole Manna-Grass Torreyochloa pallida Endangered
​Halberd-leaved Tearthumb ​Tracaulon arifolium ​Endangered
​Prairie Spiderwort ​Tradescantia bracteata ​Endangered
Filmy fern Trichomanes boschianum Endangered
Tufted Bulrush Trichophorum cespitosum Endangered
Star-flower Trientalis borealis Endangered
Nodding Trillium Trillium cernuum Endangered
Ill-scented Trillium Trillium erectum Endangered
Green Trillium Trillium viride Endangered
Rock Elm Ulmus thomasii Endangered
Horned Bladderwort Utricularia cornuta Endangered
Small Bladderwort Utricularia minor Endangered
​Hair Bladderwort ​Ultricularia subulata ​Endangered
Highbush Blueberry Vaccinium corymbosum Endangered
Large Cranberry Vaccinium macrocarpon Endangered
Small Cranberry Vaccinium oxycoccos Endangered
Deerberry Vaccinium stamineum Endangered
Marsh Valerian Valeriana uliginosa Endangered
Corn Salad Valerianella chenopodifolia Endangered
Corn Salad Valerianella umbilicata Endangered
American Brooklime Veronica americana Endangered
Hairy White Violet Viola blanda Endangered
Canada Violet Viola canadensis Endangered
Primrose Violet Viola primulifolia Endangered
Rusty Woodsia Woodsia ilvensis Endangered
White Camass Zigadenus elegans Endangered
Pale False Foxglove Agalinis skinneriana Threatened
Shadbush Amelanchier interior Threatened
​Marram Grass ​Ammophila breviligulata ​Threatened
Forked Aster Aster furcatus Threatened
Kitten Tails Besseya bullii Threatened
Decurrent False Aster Boltonia decurrens Threatened
Bluehearts Buchnera americana Threatened
Sea Rocket Cakile edentula Threatened
Sedge Carex atlantica Threatened
Golden Sedge Carex aurea Threatened
Sedge Carex bromoides Threatened
Fibrous-rooted Sedge Carex communis Threatened
Sedge  Sedge Carex cryptolepis Threatened
Sharp-scaled Sedge Carex oxylepis Threatened
Drooping Sedge Carex prasina Threatened
Little Green Sedge Carex viridula Threatened
Willdenow's Sedge Carex willdenowii Threatened
Water Hickory Carya aquatica Threatened
Leatherleaf Chamaedaphne calyculata Threatened
Pitcher's (Dune) Thistle Cirsium pitcheri Threatened
Umbrella Sedge Cyperus grayoides Threatened
Galingale Cyperus lancastriensis Threatened
Wild Blue Larkspur Delphinium carolinianum Threatened
French’s Shootingstar Dodecatheon frenchii Threatened
Narrow-leaved Sundew Drosera intermedia Threatened
Beaked Spike Rush Eleocharis rostellata Threatened
Downy Willow Herb Epilobium strictum Threatened
Meadow Horsetail Equisetum pratense Threatened
​American Strawberry Bush ​Euonymus americanus ​Threatened
​Queen-of-thePrairie ​Filipendula rubra ​Threatened
Narrow-leaved Sunflower Helianthus angustifolius Threatened
Cliff Clubmoss Huperzia porophila Threatened
Old Plainsman Hymenopappus scabiosaeus Threatened
Richardson’s Rush Juncus alpinoarticulatus Threatened
Ground Juniper Juniperus communis Threatened
Tamarack Larix laricina Threatened
Pale Vetchling Lathyrus ochroleucus Threatened
Bunchflower Melanthium virginicum Threatened
Squirting Cucumber Melothria pendula Threatened
Buckbean Menyanthes trifoliata Threatened
Slender Sandwort Minuartia patula Threatened
Broomrape Orobanche ludoviciana Threatened
​Illinois Wood Sorrel ​Oxalis illinoensis​ ​Threatened
Lea's Bog Lichen Phaeophyscia leana Threatened
Water Elm Planera aquatica Threatened
Tubercled Orchid Platanthera flava Threatened
​Downy Solomon's Seal ​Polygonatum pubescens ​Threatened
Grass-leaved Pondweed Potamogeton gramineus Threatened
Rock Chestnut Oak Quercus montana Threatened
Willow Oak Quercus phellos Threatened
Prairie Buttercup Ranunculus rhomboideus Threatened
Purple-flowering Raspberry Rubus odoratus Threatened
Dwarf Raspberry Rubus pubescens Threatened
Bristly Blackberry Rubus schneideri Threatened
Missouri Orange Coneflower Rudbeckia missouriensis Threatened
Blue Sage Salvia azurea Threatened
Hall's Bulrush Schoenoplectus hallii Threatened
Bulrush Scirpus polyphyllus Threatened
American Orpine Sedum telephioides Threatened
Cliff Goldenrod Solidago sciaphila Threatened
​Grass-leaved Lily ​Stenanthium gramineum ​Threatened
Storax Styrax americana Threatened
Sullivantia Sullivantia sullivantii Threatened
​Hairy Synandra ​Synandra hispidula ​Threatened
Small Flower-of-an-hour Talinum parviflorum Threatened
False Asphodel Tofieldia glutinosa Threatened
Buffalo Clover Trifolium reflexum Threatened
Common Bog Arrowgrass Triglochin maritima Threatened
Slender Bog Arrowgrass Triglochin palustris Threatened
Nettle Urtica chamaedryoides Threatened
Flat-leaved Bladderwort Utricularia intermedia Threatened
Marsh Speedwell Veronica scutellata Threatened
Arrowwood Viburnum molle Threatened