Section 1050.40 Threatened
Flora of Illinois
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SCIENTIFIC NAME
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COMMON NAME
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PHYSCIACEAE
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Phaeophyscia leana
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Lea's Bog Lichen
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EQUISETACEAE
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Equisetum pratense
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Meadow Horsetail
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LYCOPODIACEAE
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Huperzia porophila
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Cliff Clubmoss
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OPHIOGLOSSACEAE
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Botrychium biternatum
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Southern Grape Fern
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CUPRESSACEAE
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Juniperus communis
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Ground Juniper
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PINACEAE
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Larix laricina
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Tamarack
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COMMELINACEAE
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Tradescantia bracteata
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Prairie Spiderwort
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CYPERACEAE
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Carex atlantica
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Sedge
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Carex aurea
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Golden Sedge
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Carex bromoides
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Sedge
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Carex communis
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Fibrous-rooted Sedge
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Carex intumescens
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Swollen Sedge
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Carex oxylepis
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Sharp-scaled Sedge
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Carex prasina
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Drooping Sedge
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Carex viridula
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Little Green Sedge
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Carex willdenowii
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Willdenow's Sedge
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Carex woodii
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Pretty Sedge
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Cyperus grayioides
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Umbrella Sedge
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Eleocharis rostellata
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Beaked Spike Rush
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Rhynchospora alba
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Beaked Rush
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Schoenoplectus hallii
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Hall's Bulrush
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Scirpus polyphyllus
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Bulrush
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IRIDACEAE
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Sisyrinchium atlanticum
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Eastern Blue-Eyed Grass
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JUNCAGINACEAE
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Triglochin maritima
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Common Bog Arrowgrass
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Triglochin palustris
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Slender Bog Arrowgrass
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LILIACEAE
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Melanthium virginicum
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Bunchflower
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Tofieldia glutinosa
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False Asphodel
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ORCHIDACEAE
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Corallorhiza maculata
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Spotted Coral-root Orchid
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Cypripedium candidum
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White Lady's Slipper
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Platanthera flava var. herbiola
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Tubercled Orchid
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POACEAE
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Elymus trachycaulis
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Bearded Wheat Grass
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POTAMOGETONACEAE
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Potamogeton gramineus
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Grass-leaved Pondweed
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ASCLEPIADACEAE
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Matelea obliqua
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Climbing Milkweed
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ASTERACEAE
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Aster furcatus
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Forked Aster
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Boltonia decurrens*
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Decurrent False Aster
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Cirsium pitcheri*
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Pitcher's (Dune) Thistle
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Helianthus angustifolius
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Narrow-leaved Sunflower
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Hymenopappus scabiosaeus
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Old Plainsman
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Liatris scariosa var. nieuwlandii
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Blazing Star
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Rudbeckia missouriensis
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Missouri Orange Coneflower
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Solidago sciaphila
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Cliff Goldenrod
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BRASSICAEAE
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Cakile edentula
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Sea Rocket
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CAPRIFOLIACEAE
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Virburnum molle
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Arrowwood
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CARYOPHYLLACEAE
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Minuartia patula
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Slender Sandwort
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CISTACEAE
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Lechea intermedia
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Pinweed
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CRASSULACEAE
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Sedum telephioides
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American Orpine
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CUCURBITACEAE
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Melothria pendula
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Squirting Cucumber
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DROSERACEAE
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Drosera intermedia
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Narrow-leaved Sundew
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ERICACEAE
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Chamaedaphne calyculata
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Leatherleaf
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FABACEAE
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Lathrys ochroleucus
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Pale Vetchling
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Tribolium reflexum
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Buffalo Clover
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FAGACEAE
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Quercus phellos
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Willow Oak
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Quercus montana
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Rock Chestnut Oak
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JUGLANDACEAE
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Carya aquatica
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Water Hickory
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LAMIACEAE
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Salvia azurea subsp. pitcheri
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Blue Sage
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LENTIBULARIACEAE
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Utricularia intermedia
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Flat-Leaved Bladderwort
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MENYANTHACEAE
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Menyanthes trifoliata
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Buckbean
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ONAGRACEAE
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Epilobium strictum
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Downy Willow Herb
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Oenothera perennis
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Small Sundrops
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OROBANCHACEAE
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Orobanche ludoviciana
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Broomrape
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PORTULACACEAE
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Talinum parviflorum
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Small Flower-Of-An-Hour
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PRIMULACEAE
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Dodecatheon frenchii
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French's Shooting Star
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RANUNCULACEAE
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Cimicifuga rubifolia
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Black Cohosh
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Rananculus rhomboideus
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Prairie Buttercup
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ROSACEAE
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Amelanchier interior
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Shadbush
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Rubus pubescens
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Dwarf Raspberry
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Rubus schneideri
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Bristly Blackberry
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SAXIFRAGACEAE
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Sullivantia sullivantii
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Sullivantia
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SCROPHULARIACEAE
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Agalinus skinneriana
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Pale False Foxglove
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Besseya bullii
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Kitten Tails
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Tomanthera auriculata
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Ear-leafed Foxglove
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Veronica scutellata
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Marsh Speedwell
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STYRACACEAE
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Styrax americana
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Storax
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ULMACEAE
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Planera aquatica
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Water Elm
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URTICACEAE
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Urtica chamaedriyoides
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Nettle
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VIOLACEAE
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Viola conspersa
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Dog Violet
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(Source: Amended at 28 Ill.
Reg. 12904, effective September 1, 2004)