Index / States / Illinois / Williamson
§1County listing — Illinois
Williamson County
Illinois
- FIPS
- 17199
- Taxa recorded
- 1,210
- State
- Illinois
Filter
Showing 701–750 of 1,015 (native).
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Polanisia dodecandra (L.) DC. ssp. dodecandra Native PODODredwhisker clammyweed · Capparaceae -
Polemonium reptans L. Native PORE2Greek valerian · Polemoniaceae - Polemonium reptans L. var. reptans Native PORERGreek valerian · Polemoniaceae
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Polygala sanguinea L. Native POSA3purple milkwort · Polygalaceae -
Polygonatum biflorum (Walter) Elliott Native POBI2smooth Solomon's seal · Liliaceae - Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBICsmooth Solomon's seal · Liliaceae
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Polygonum amphibium L. Native POAM8water knotweed · Polygonaceae - Polygonum amphibium L. var. emersum Michx. Native POAMElongroot smartweed · Polygonaceae
- Polygonum amphibium L. var. stipulaceum Coleman Native POAMSwater smartweed · Polygonaceae
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Polygonum hydropiperoides Michx. Native POHY2swamp smartweed · Polygonaceae -
Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae -
Polygonum pensylvanicum L. Native POPE2Pennsylvania smartweed · Polygonaceae -
Polygonum punctatum Elliott Native POPU5dotted smartweed · Polygonaceae -
Polygonum sagittatum L. Native POSA5arrowleaf tearthumb · Polygonaceae -
Polygonum scandens L. var. cristatum (Engelm. & A. Gray) Gleason Native POSCCclimbing false buckwheat · Polygonaceae -
Polygonum virginianum L. Native POVI2jumpseed · Polygonaceae -
Polymnia canadensis L. Native POCA11whiteflower leafcup · Asteraceae -
Polypodium virginianum L. Native POVI7rock polypody · Polypodiaceae -
Polystichum acrostichoides (Michx.) Schott Native POAC4Christmas fern · Dryopteridaceae - Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACAChristmas fern · Dryopteridaceae
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Populus deltoides W. Bartram ex Marshall Native PODE3eastern cottonwood · Salicaceae -
Populus heterophylla L. Native POHE4swamp cottonwood · Salicaceae -
Potamogeton diversifolius Raf. Native PODIwaterthread pondweed · Potamogetonaceae -
Potamogeton foliosus Raf. Native POFO3leafy pondweed · Potamogetonaceae - Potamogeton foliosus Raf. ssp. foliosus Native POFOF4leafy pondweed · Potamogetonaceae
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Potamogeton nodosus Poir. Native PONO2longleaf pondweed · Potamogetonaceae -
Potentilla simplex Michx. Native POSI2common cinquefoil · Rosaceae -
Proboscidea louisianica (Mill.) Thell. Native PRLOram's horn · Pedaliaceae - Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOLram's horn · Pedaliaceae
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Prunella vulgaris L. Native PRVUcommon selfheal · Lamiaceae - Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2lance selfheal · Lamiaceae
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Prunus americana Marshall Native PRAMAmerican plum · Rosaceae -
Prunus angustifolia Marshall Native PRAN3Chickasaw plum · Rosaceae - Prunus angustifolia Marshall var. angustifolia Native PRANAChickasaw plum · Rosaceae
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Prunus hortulana L.H. Bailey Native PRHOhortulan plum · Rosaceae -
Prunus munsoniana W. Wight & Hedrick Native PRMUwild goose plum · Rosaceae -
Prunus serotina Ehrh. Native PRSE2black cherry · Rosaceae - Prunus serotina Ehrh. var. serotina Native PRSESblack cherry · Rosaceae
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Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt Native PSOB3rabbit-tobacco · Asteraceae - Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt ssp. obtusifolium Native PSOBOrabbit-tobacco · Asteraceae
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Ptelea trifoliata L. Native PTTRcommon hoptree · Rutaceae - Ptelea trifoliata L. ssp. trifoliata Native PTTRTcommon hoptree · Rutaceae
- Ptelea trifoliata L. ssp. trifoliata var. trifoliata Native PTTRT2common hoptree · Rutaceae
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Pteridium aquilinum (L.) Kuhn Native PTAQwestern brackenfern · Dennstaedtiaceae - Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller Native PTAQLwestern brackenfern · Dennstaedtiaceae
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Pycnanthemum pycnanthemoides (Leavenworth) Fernald Native PYPYsouthern mountainmint · Lamiaceae - Pycnanthemum pycnanthemoides (Leavenworth) Fernald var. pycnanthemoides Native PYPYPsouthern mountainmint · Lamiaceae
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Pycnanthemum tenuifolium Schrad. Native PYTEnarrowleaf mountainmint · Lamiaceae -
Pyrrhopappus carolinianus (Walter) DC. Native PYCA2Carolina desert-chicory · Asteraceae - Quercus alba L. Native QUALwhite oak · Fagaceae