Index / States / Illinois / Clark
§1County listing — Illinois
Clark County
Illinois
- FIPS
- 17023
- Taxa recorded
- 957
- State
- Illinois
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Showing 201–250 of 957.
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Cenchrus longispinus (Hack.) Fernald Native CELO3mat sandbur · Poaceae -
Cephalanthus occidentalis L. Native CEOC2common buttonbush · Rubiaceae -
Cerastium fontanum Baumg. Introduced CEFO2common mouse-ear chickweed · Caryophyllaceae - Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2big chickweed · Caryophyllaceae
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Cerastium glomeratum Thuill. Introduced CEGL2sticky chickweed · Caryophyllaceae -
Cerastium nutans Raf. Native CENU2nodding chickweed · Caryophyllaceae - Cerastium nutans Raf. var. nutans Native CENUNnodding chickweed · Caryophyllaceae
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Ceratophyllum demersum L. Native CEDE4coon's tail · Ceratophyllaceae -
Cercis canadensis L. Native CECA4eastern redbud · Fabaceae - Cercis canadensis L. var. canadensis Native CECACeastern redbud · Fabaceae
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Chaenorhinum minus (L.) Lange Introduced CHMIdwarf snapdragon · Scrophulariaceae -
Chaerophyllum procumbens (L.) Crantz Native CHPRspreading chervil · Apiaceae - Chaerophyllum procumbens (L.) Crantz var. procumbens Native CHPRPspreading chervil · Apiaceae
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Chamaecrista fasciculata (Michx.) Greene Native CHFA2partridge pea · Fabaceae - Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAFpartridge pea · Fabaceae
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Chamaesyce maculata (L.) Small Native CHMA15spotted sandmat · Euphorbiaceae -
Chasmanthium latifolium (Michx.) Yates Native CHLA5Indian woodoats · Poaceae -
Chenopodium album L. Both CHAL7lambsquarters · Chenopodiaceae -
Cicuta maculata L. Native CIMA2spotted water hemlock · Apiaceae -
Cinna arundinacea L. Native CIAR2sweet woodreed · Poaceae -
Circaea lutetiana L. Native CILUbroadleaf enchanter's nightshade · Onagraceae - Circaea lutetiana L. ssp. canadensis (L.) Asch. & Magnus Native CILUCbroadleaf enchanter's nightshade · Onagraceae
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Cirsium altissimum (L.) Hill Native CIAL2tall thistle · Asteraceae -
Cirsium discolor (Muhl. ex Willd.) Spreng. Native CIDIfield thistle · Asteraceae -
Cirsium vulgare (Savi) Ten. Introduced CIVUbull thistle · Asteraceae -
Claytonia virginica L. Native CLVI3Virginia springbeauty · Portulacaceae -
Clematis pitcheri Torr. & A. Gray Native CLPIbluebill · Ranunculaceae - Clematis pitcheri Torr. & A. Gray var. pitcheri Native CLPIPbluebill · Ranunculaceae
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Clematis virginiana L. Native CLVI5devil's darning needles · Ranunculaceae -
Collinsonia canadensis L. Native COCA4richweed · Lamiaceae -
Comandra umbellata (L.) Nutt. Native COUMbastard toadflax · Santalaceae - Comandra umbellata (L.) Nutt. ssp. umbellata Native COUMUbastard toadflax · Santalaceae
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Commelina communis L. Introduced COCO3Asiatic dayflower · Commelinaceae -
Conium maculatum L. Introduced COMA2poison hemlock · Apiaceae -
Conopholis americana (L.) Wallr. Native COAMAmerican cancer-root · Orobanchaceae -
Conyza canadensis (L.) Cronquist Native COCA5Canadian horseweed · Asteraceae - Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3Canadian horseweed · Asteraceae
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Corallorhiza odontorhiza (Willd.) Poir. Native COOD7autumn coralroot · Orchidaceae - Corallorhiza odontorhiza (Willd.) Poir. var. odontorhiza Native COODO2autumn coralroot · Orchidaceae
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Corallorhiza wisteriana Conrad Native COWI5spring coralroot · Orchidaceae -
Coreopsis tripteris L. Native COTR4tall tickseed · Asteraceae -
Cornus alternifolia L. f. Native COAL2alternateleaf dogwood · Cornaceae -
Cornus amomum Mill. Native COAM2silky dogwood · Cornaceae -
Cornus drummondii C.A. Mey. Native CODRroughleaf dogwood · Cornaceae -
Cornus florida L. Native COFL2flowering dogwood · Cornaceae -
Cornus obliqua Raf. Native COOB9silky dogwood · Cornaceae -
Cornus racemosa Lam. Native CORA6gray dogwood · Cornaceae -
Corydalis micrantha (Engelm. ex A. Gray) A. Gray Native COMI2smallflower fumewort · Fumariaceae -
Corylus americana Walter Native COAM3American hazelnut · Betulaceae -
Crataegus crus-galli L. Native CRCR2cockspur hawthorn · Rosaceae