Index / States / Illinois / Cook
§1County listing — Illinois
Cook County
Illinois
- FIPS
- 17031
- Taxa recorded
- 2,148
- State
- Illinois
Filter
Showing 1,051–1,100 of 1,699 (native).
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Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi Native NULUAyellow pond-lily · Nymphaeaceae - Nuphar lutea (L.) Sm. ssp. variegata (Durand) E.O. Beal Native NULUVvarigated yellow pond-lily · Nymphaeaceae
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Nuttallanthus canadensis (L.) D.A. Sutton Native NUCACanada toadflax · Scrophulariaceae - Nymphaea odorata Aiton Native NYODAmerican white waterlily · Nymphaeaceae
- Nymphaea odorata Aiton ssp. tuberosa (Paine) Wiersma & Hellquist Native NYODTAmerican white waterlily · Nymphaeaceae
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Nyssa sylvatica Marshall Native NYSYblackgum · Cornaceae -
Oenothera biennis L. Native OEBIcommon evening primrose · Onagraceae -
Oenothera curtiflora W.L. Wagner & Hoch Native OECU2velvetweed · Onagraceae -
Oenothera filiformis (Small) W.L. Wagner & Hoch Native OEFI2longflower beeblossom · Onagraceae -
Oenothera gaura W.L. Wagner & Hoch Native OEGAbiennial beeblossom · Onagraceae -
Oenothera laciniata Hill Native OELAcutleaf evening primrose · Onagraceae -
Oenothera parviflora L. Native OEPA5northern evening primrose · Onagraceae -
Oenothera perennis L. Native OEPElittle evening primrose · Onagraceae -
Oenothera pilosella Raf. Native OEPI2meadow evening primrose · Onagraceae - Oenothera pilosella Raf. ssp. pilosella Native OEPIPmeadow evening primrose · Onagraceae
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Oenothera rhombipetala Nutt. ex Torr. & A. Gray Native OERHfourpoint evening primrose · Onagraceae -
Oenothera speciosa Nutt. Native OESP2pinkladies · Onagraceae -
Oligoneuron album (Nutt.) G.L. Nesom Native OLAL2prairie goldenrod · Asteraceae -
Oligoneuron ohioense (Frank ex Riddell) G.N. Jones Native OLOHOhio goldenrod · Asteraceae -
Oligoneuron riddellii (Frank ex Riddell) Rydb. Native OLRI2Riddell's goldenrod · Asteraceae -
Oligoneuron rigidum (L.) Small Native OLRIstiff goldenrod · Asteraceae - Oligoneuron rigidum (L.) Small var. rigidum Native OLRIRstiff goldenrod · Asteraceae
- Oligoneuron ×lutescens (Lindl. ex DC.) G.L. Nesom [album × rigidum] Native OLLUgoldenrod · Asteraceae
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Onoclea sensibilis L. Native ONSEsensitive fern · Dryopteridaceae -
Ophioglossum pusillum Raf. Native OPPU3northern adderstongue · Ophioglossaceae -
Opuntia humifusa (Raf.) Raf. Native OPHUdevil's-tongue · Cactaceae -
Orbexilum onobrychis (Nutt.) Rydb. Native ORONFrench-grass · Fabaceae -
Orobanche fasciculata Nutt. Native ORFAclustered broomrape · Orobanchaceae -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae -
Orthilia secunda (L.) House Native ORSEsidebells wintergreen · Pyrolaceae -
Oryzopsis asperifolia Michx. Native ORASroughleaf ricegrass · Poaceae -
Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCLClayton's sweetroot · Apiaceae -
Osmorhiza longistylis (Torr.) DC. Native OSLOlongstyle sweetroot · Apiaceae -
Osmunda cinnamomea L. Native OSCIcinnamon fern · Osmundaceae - Osmunda cinnamomea L. var. cinnamomea Native OSCICcinnamon fern · Osmundaceae
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Osmunda claytoniana L. Native OSCL2interrupted fern · Osmundaceae -
Osmunda regalis L. Native OSREroyal fern · Osmundaceae - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae
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Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae -
Oxalis corniculata L. Native OXCOcreeping woodsorrel · Oxalidaceae -
Oxalis dillenii Jacq. Native OXDI2slender yellow woodsorrel · Oxalidaceae -
Oxalis stricta L. Native OXSTcommon yellow oxalis · Oxalidaceae -
Oxalis violacea L. Native OXVIviolet woodsorrel · Oxalidaceae -
Oxydendrum arboreum (L.) DC. Native OXARsourwood · Ericaceae -
Oxypolis rigidior (L.) Raf. Native OXRIstiff cowbane · Apiaceae -
Packera aurea (L.) Á. Löve & D. Löve Native PAAU3golden ragwort · Asteraceae -
Packera paupercula (Michx.) Á. Löve & D. Löve Native PAPA20balsam groundsel · Asteraceae -
Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12prairie groundsel · Asteraceae -
Panax quinquefolius L. Native PAQUAmerican ginseng · Araliaceae -
Panicum anceps Michx. Native PAANbeaked panicgrass · Poaceae