Threatened Wild Flowers of Illinois

Source: Checklist of Endangered and Threatened Animals and Plants of Illinois
Illinois Endangered Species Protection Board, February 22, 2011

* = Federally Threatened ** = Federally Endangered

Agalinus skinneriana Pale False Foxglove
Amelanchier interior Shadbush
Aster furcatus Forked Aster
Berchemia scandens Supple-Jack
Besseya bullii Kitten Tails
Boltonia decurrens* Decurrent False Aster
Botrychium biternatum Southern Grape Fern
Buchnera americana Bluehearts
Cakile edentula Sea Rocket
Chamaedaphne calyculata Leatherleaf
Cimicifuga rubifolia Black Cohosh
Cirsium pitcheri* Pitcher’s (Dune) Thistle
Corallorhiza maculata Spotted Coral-root Orchid
Cyperus grayioides Umbrella Sedge
Cyperus lancastriensis Galingale
Cypripedium candidum White Lady’s Slipper
Delphinium carolinianum Wild Blue Larkspur
Dodecatheon frenchii French’s Shootingstar
Drosera intermedia Narrow-leaved Sundew
Epilobium strictum Downy Willow Herb
Equisetum pratense Meadow Horsetail
Helianthus angustifolius Narrow-leaved Sunflower
Hymenopappus scabiosaeus Old Plainsman
Juncus alpinus Richardson’s Rush
Lathyrus ochroleucus Pale Vetchling
Lechea intermedia Pinweed
Liatris scariosa var. nieuwlandii Blazing Star
Matelea obliqua Climbing Milkweed
Melanthium virginicum Bunchflower
Melothria pendula Squirting Cucumber
Menyanthes trifoliata Buckbean
Minuartia patula Slender Sandwort
Oenothera perennis Small Sundrops
Orobanche ludoviciana Broomrape
Platanthera flava var.herbiola Tubercled Orchid
Ranunculus rhomboideus Prairie Buttercup
Rudbeckia missouriensis Missouri Orange Coneflower
Salvia azurea subsp. empitcheri Blue Sage
Schoenoplectus hallii Hall’s Bulrush
Scirpus polyphyllus Bulrush
Sedum telephioides American Orpine
Sisyrinchium atlanticum Eastern Blue-eyed Grass
Solidago sciaphila Cliff Goldenrod
Styrax americana Storax
Sullivantia sullivantii Sullivantia
Talinum parviflorum Small Flower-of-an-hour
Tofieldia glutinosa False Asphodel
Tomanthera auriculata Ear-leafed Foxglove
Tradescantia bracteata Prairie Spiderwort
Trifolium reflexum Buffalo Clover
Triglochin maritima Common Bog Arrowgrass
Triglochin palustris Slender Bog Arrowgrass
Urtica chamaedryoides Nettle
Utricularia intermedia Flat-leaved Bladderwort
Veronica scutellata Marsh Speedwell
Viola conspersa Dog Violet