Index / States / Illinois / Washington
§1County listing — Illinois
Washington County
Illinois
- FIPS
- 17189
- Taxa recorded
- 844
- State
- Illinois
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Showing 451–500 of 709 (native).
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Paspalum floridanum Michx. Native PAFL4Florida paspalum · Poaceae -
Paspalum fluitans (Elliott) Kunth Native PAFL5horsetail paspalum · Poaceae -
Paspalum laeve Michx. Native PALA10field paspalum · Poaceae -
Paspalum pubiflorum Rupr. ex Fourn. Native PAPU5hairyseed paspalum · Poaceae -
Paspalum setaceum Michx. Native PASE5thin paspalum · Poaceae -
Passiflora lutea L. Native PALU2yellow passionflower · Passifloraceae -
Pedicularis canadensis L. Native PECACanadian lousewort · Scrophulariaceae - Pedicularis canadensis L. ssp. canadensis Native PECAC3Canadian lousewort · Scrophulariaceae
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Penstemon calycosus Small Native PECA7longsepal beardtongue · Scrophulariaceae -
Penstemon digitalis Nutt. ex Sims Native PEDIfoxglove beardtongue · Scrophulariaceae -
Penstemon pallidus Small Native PEPA7pale beardtongue · Scrophulariaceae -
Penthorum sedoides L. Native PESE6ditch stonecrop · Crassulaceae -
Perideridia americana (Nutt. ex DC.) Rchb. Native PEAM2eastern yampah · Apiaceae -
Phacelia ranunculacea (Nutt.) Constance Native PHRA3oceanblue phacelia · Hydrophyllaceae -
Phalaris arundinacea L. Native PHAR3reed canarygrass · Poaceae -
Phlox divaricata L. Native PHDI5wild blue phlox · Polemoniaceae - Phlox divaricata L. ssp. laphamii (Alph. Wood) Wherry Native PHDIL6Lapham's phlox · Polemoniaceae
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Phlox glaberrima L. Native PHGL4smooth phlox · Polemoniaceae - Phlox glaberrima L. ssp. interior (Wherry) Wherry Native PHGLIsmooth phlox · Polemoniaceae
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Phlox paniculata L. Native PHPA9fall phlox · Polemoniaceae -
Phlox pilosa L. Native PHPIdowny phlox · Polemoniaceae - Phlox pilosa L. ssp. pilosa Native PHPIP2downy phlox · Polemoniaceae
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Phryma leptostachya L. Native PHLE5American lopseed · Verbenaceae -
Phyla lanceolata (Michx.) Greene Native PHLA3lanceleaf fogfruit · Verbenaceae -
Phyllanthus caroliniensis Walter Native PHCA9Carolina leaf-flower · Euphorbiaceae - Phyllanthus caroliniensis Walter ssp. caroliniensis Native PHCACCarolina leaf-flower · Euphorbiaceae
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Physalis heterophylla Nees Native PHHE5clammy groundcherry · Solanaceae - Physalis heterophylla Nees var. heterophylla Native PHHEH3clammy groundcherry · Solanaceae
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Physostegia virginiana (L.) Benth. Native PHVI8obedient plant · Lamiaceae - Physostegia virginiana (L.) Benth. ssp. virginiana Native PHVIVobedient plant · Lamiaceae
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Phytolacca americana L. Native PHAM4American pokeweed · Phytolaccaceae - Phytolacca americana L. var. americana Native PHAMA3American pokeweed · Phytolaccaceae
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Pilea pumila (L.) A. Gray Native PIPU2Canadian clearweed · Urticaceae - Pilea pumila (L.) A. Gray var. pumila Native PIPUPCanadian clearweed · Urticaceae
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Plantago aristata Michx. Native PLAR3largebracted plantain · Plantaginaceae -
Plantago pusilla Nutt. Native PLPUdwarf plantain · Plantaginaceae -
Plantago rugelii Decne. Native PLRUblackseed plantain · Plantaginaceae - Plantago rugelii Decne. var. rugelii Native PLRURblackseed plantain · Plantaginaceae
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Plantago virginica L. Native PLVIVirginia plantain · Plantaginaceae -
Platanus occidentalis L. Native PLOCAmerican sycamore · Platanaceae -
Poa chapmaniana Scribn. Native POCH2Chapman's bluegrass · Poaceae -
Podophyllum peltatum L. Native POPEmayapple · Berberidaceae -
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 hydropiperoides Michx. Native POHY2swamp smartweed · Polygonaceae -
Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae -
Polygonum pensylvanicum L. Native POPE2Pennsylvania smartweed · Polygonaceae