Index / States / Illinois / Cook
§1County listing — Illinois
Cook County
Illinois
- FIPS
- 17031
- Taxa recorded
- 2,148
- State
- Illinois
Filter
Showing 501–550 of 2,148.
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Circaea lutetiana L. ssp. canadensis (L.) Asch. & Magnus Native CILUCbroadleaf enchanter's nightshade · Onagraceae -
Cirsium altissimum (L.) Hill Native CIAL2tall thistle · Asteraceae -
Cirsium arvense (L.) Scop. Introduced CIAR4Canada thistle · Asteraceae -
Cirsium discolor (Muhl. ex Willd.) Spreng. Native CIDIfield thistle · Asteraceae - Cirsium hillii (Canby) Fernald Native CIHIHill's thistle · Asteraceae
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Cirsium muticum Michx. Native CIMUswamp thistle · Asteraceae -
Cirsium pitcheri (Torr. ex Eaton) Torr. & A. Gray Native CIPIsand dune thistle · Asteraceae -
Cirsium vulgare (Savi) Ten. Introduced CIVUbull thistle · Asteraceae -
Cladium mariscoides (Muhl.) Torr. Native CLMAsmooth sawgrass · Cyperaceae -
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 -
Cleome serrulata Pursh Native CLSERocky Mountain beeplant · Capparaceae -
Clinopodium arkansanum (Nutt.) House Native CLAR5limestone calamint · Lamiaceae -
Collinsia verna Nutt. Native COVE2spring blue eyed Mary · Scrophulariaceae -
Collomia linearis Nutt. Native COLI2tiny trumpet · Polemoniaceae -
Comandra umbellata (L.) Nutt. Native COUMbastard toadflax · Santalaceae - Comandra umbellata (L.) Nutt. ssp. umbellata Native COUMUbastard toadflax · Santalaceae
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Comarum palustre L. Native COPA28purple marshlocks · Rosaceae -
Commelina communis L. Introduced COCO3Asiatic dayflower · Commelinaceae -
Commelina erecta L. Native COERwhitemouth dayflower · Commelinaceae -
Comptonia peregrina (L.) J.M. Coult. Native COPE80sweet fern · Myricaceae -
Conioselinum chinense (L.) Britton, Sterns & Poggenb. Native COCH2eastern hemlockparsley · Apiaceae -
Conoclinium coelestinum (L.) DC. Native COCO13blue mistflower · Asteraceae -
Conopholis americana (L.) Wallr. Native COAMAmerican cancer-root · Orobanchaceae -
Conringia orientalis (L.) Dumort. Introduced COORhare's ear mustard · Brassicaceae -
Consolida ajacis (L.) Schur Introduced COAJdoubtful knight's-spur · Ranunculaceae -
Consolida regalis Gray Introduced CORE2royal knight's-spur · Ranunculaceae -
Convallaria majalis L. Introduced COMA7European lily of the valley · Liliaceae -
Convolvulus arvensis L. Introduced COAR4field bindweed · Convolvulaceae -
Conyza canadensis (L.) Cronquist Native COCA5Canadian horseweed · Asteraceae - Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3Canadian horseweed · Asteraceae
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Conyza ramosissima Cronquist Native CORA4dwarf horseweed · Asteraceae -
Corallorhiza maculata (Raf.) Raf. Native COMA25summer coralroot · Orchidaceae - Corallorhiza maculata (Raf.) Raf. var. maculata Native COMAM7summer coralroot · Orchidaceae
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Corallorhiza trifida Chatelain Native COTR18yellow coralroot · Orchidaceae -
Coreopsis grandiflora Hogg ex Sweet Native COGR5largeflower tickseed · Asteraceae -
Coreopsis lanceolata L. Native COLA5lanceleaf tickseed · Asteraceae -
Coreopsis palmata Nutt. Native COPA10stiff tickseed · Asteraceae -
Coreopsis tinctoria Nutt. Native COTI3golden tickseed · Asteraceae - Coreopsis tinctoria Nutt. var. tinctoria Native COTITgolden tickseed · Asteraceae
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Coreopsis tripteris L. Native COTR4tall tickseed · Asteraceae -
Corispermum americanum (Nutt.) Nutt. Native COAM8American bugseed · Chenopodiaceae - Corispermum americanum (Nutt.) Nutt. var. americanum Native COAMA2American bugseed · Chenopodiaceae
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Corispermum villosum Rydb. Native COVI5hairy bugseed · Chenopodiaceae -
Cornus alternifolia L. f. Native COAL2alternateleaf dogwood · Cornaceae -
Cornus amomum Mill. Native COAM2silky dogwood · Cornaceae -
Cornus canadensis L. Native COCA13bunchberry dogwood · Cornaceae -
Cornus obliqua Raf. Native COOB9silky dogwood · Cornaceae