Index / States / Illinois / Washington
§1County listing — Illinois
Washington County
Illinois
- FIPS
- 17189
- Taxa recorded
- 844
- State
- Illinois
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Showing 701–750 of 844.
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Schizachyrium scoparium (Michx.) Nash Native SCSClittle bluestem · Poaceae - Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCSlittle bluestem · Poaceae
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Scirpus atrovirens Willd. Native SCAT2green bulrush · Cyperaceae -
Scrophularia marilandica L. Native SCMA2carpenter's square · Scrophulariaceae -
Scutellaria incana Biehler Native SCINhoary skullcap · Lamiaceae - Scutellaria incana Biehler var. incana Native SCINI2hoary skullcap · Lamiaceae
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Scutellaria ovata Hill Native SCOVheartleaf skullcap · Lamiaceae - Scutellaria ovata Hill ssp. ovata Native SCOVOheartleaf skullcap · Lamiaceae
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Scutellaria parvula Michx. Native SCPA7small skullcap · Lamiaceae -
Secale cereale L. Introduced SECEcereal rye · Poaceae -
Setaria faberi Herrm. Introduced SEFAJapanese bristlegrass · Poaceae -
Setaria italica (L.) P. Beauv. Introduced SEITfoxtail millet · Poaceae - Setaria viridis (L.) P. Beauv. Introduced SEVI4green bristlegrass · Poaceae
- Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIVgreen bristlegrass · Poaceae
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Sibara virginica (L.) Rollins Native SIVI2Virginia winged rockcress · Brassicaceae -
Sida spinosa L. Native SISPprickly fanpetals · Malvaceae -
Silene stellata (L.) W.T. Aiton Native SISTwidowsfrill · Caryophyllaceae -
Silphium integrifolium Michx. Native SIIN2wholeleaf rosinweed · Asteraceae -
Silphium laciniatum L. Native SILA3compassplant · Asteraceae - Silphium laciniatum L. var. laciniatum Native SILAL2compassplant · Asteraceae
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Silphium perfoliatum L. Native SIPE2cup plant · Asteraceae - Silphium perfoliatum L. var. perfoliatum Native SIPEPcup plant · Asteraceae
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Silphium terebinthinaceum Jacq. Native SITEprairie rosinweed · Asteraceae -
Sisyrinchium albidum Raf. Native SIAL3white blue-eyed grass · Iridaceae -
Smilax bona-nox L. Native SMBO2saw greenbrier · Smilacaceae - Smilax bona-nox L. var. bona-nox Native SMBOB2saw greenbrier · Smilacaceae
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Smilax lasioneura Hook. Native SMLA3Blue Ridge carrionflower · Smilacaceae -
Smilax pulverulenta Michx. Native SMPU2downy carrionflower · Smilacaceae -
Smilax rotundifolia L. Native SMROroundleaf greenbrier · Smilacaceae -
Smilax tamnoides L. Native SMTA2bristly greenbrier · Smilacaceae -
Solanum carolinense L. Native SOCA3Carolina horsenettle · Solanaceae - Solanum carolinense L. var. carolinense Native SOCAC4Carolina horsenettle · Solanaceae
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Solanum ptycanthum Dunal Native SOPT7West Indian nightshade · Solanaceae -
Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae -
Solidago juncea Aiton Native SOJUearly goldenrod · Asteraceae -
Solidago missouriensis Nutt. Native SOMI2Missouri goldenrod · Asteraceae - Solidago missouriensis Nutt. var. fasciculata Holz. Native SOMIFMissouri goldenrod · Asteraceae
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Solidago nemoralis Aiton Native SONEgray goldenrod · Asteraceae -
Solidago ulmifolia Muhl. ex Willd. Native SOUL2elmleaf goldenrod · Asteraceae - Solidago ulmifolia Muhl. ex Willd. var. ulmifolia Native SOULU2elmleaf goldenrod · Asteraceae
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Sonchus oleraceus L. Introduced SOOLcommon sowthistle · Asteraceae -
Sorghastrum nutans (L.) Nash Native SONU2Indiangrass · Poaceae -
Sorghum halepense (L.) Pers. Introduced SOHAJohnsongrass · Poaceae -
Spartina pectinata Bosc ex Link Native SPPEprairie cordgrass · Poaceae -
Spermacoce glabra Michx. Native SPGL2smooth false buttonweed · Rubiaceae -
Sphenopholis obtusata (Michx.) Scribn. Native SPOBprairie wedgescale · Poaceae -
Spirodela polyrrhiza (L.) Schleid. Native SPPOcommon duckmeat · Lemnaceae -
Sporobolus compositus (Poir.) Merr. Native SPCO16composite dropseed · Poaceae - Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2composite dropseed · Poaceae
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Staphylea trifolia L. Native STTRAmerican bladdernut · Staphyleaceae