Index / States / Illinois / Mercer
§1County listing — Illinois
Mercer County
Illinois
- FIPS
- 17131
- Taxa recorded
- 642
- State
- Illinois
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Showing 451–500 of 538 (native).
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Silphium perfoliatum L. Native SIPE2cup plant · Asteraceae - Silphium perfoliatum L. var. perfoliatum Native SIPEPcup plant · Asteraceae
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Sisyrinchium campestre E.P. Bicknell Native SICA9prairie blue-eyed grass · Iridaceae -
Smilax lasioneura Hook. Native SMLA3Blue Ridge carrionflower · 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 -
Solanum rostratum Dunal Native SORObuffalobur nightshade · Solanaceae -
Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae -
Solidago gigantea Aiton Native SOGIgiant goldenrod · Asteraceae -
Solidago juncea Aiton Native SOJUearly goldenrod · Asteraceae -
Solidago nemoralis Aiton Native SONEgray goldenrod · Asteraceae -
Solidago speciosa Nutt. Native SOSP2showy goldenrod · Asteraceae -
Sorghastrum nutans (L.) Nash Native SONU2Indiangrass · Poaceae -
Spartina pectinata Bosc ex Link Native SPPEprairie cordgrass · Poaceae -
Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3slender 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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Sporobolus cryptandrus (Torr.) A. Gray Native SPCRsand dropseed · Poaceae -
Stachys aspera Michx. Native STAShyssopleaf hedgenettle · Lamiaceae -
Stachys hyssopifolia Michx. Native STHY3hyssopleaf hedgenettle · Lamiaceae -
Stachys palustris L. Native STPAmarsh hedgenettle · Lamiaceae -
Stachys pilosa Nutt. Native STPI6hairy hedgenettle · Lamiaceae - Stachys pilosa Nutt. var. arenicola (Britton) G. Mulligan & D. Munro Native STPIAhairy hedgenettle · Lamiaceae
- Stachys pilosa Nutt. var. pilosa Native STPIP5hairy hedgenettle · Lamiaceae
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Stachys tenuifolia Willd. Native STTEsmooth hedgenettle · Lamiaceae -
Staphylea trifolia L. Native STTRAmerican bladdernut · Staphyleaceae -
Strophostyles helvola (L.) Elliott Native STHE9amberique-bean · Fabaceae -
Stuckenia pectinata (L.) Börner Native STPE15sago pondweed · Potamogetonaceae -
Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDRDrummond's aster · Asteraceae - Symphyotrichum drummondii (Lindl.) G.L. Nesom var. drummondii Native SYDRDDrummond's aster · Asteraceae
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Symphyotrichum ericoides (L.) G.L. Nesom Native SYERwhite heath aster · Asteraceae - Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYEREwhite heath aster · Asteraceae
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Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6white panicle aster · Asteraceae - Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6white panicle aster · Asteraceae
- Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum var. lanceolatum Native SYLAL4white panicle aster · Asteraceae
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Symphyotrichum novae-angliae (L.) G.L. Nesom Native SYNO2New England aster · Asteraceae -
Symphyotrichum pilosum (Willd.) G.L. Nesom Native SYPI2hairy white oldfield aster · Asteraceae - Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum Native SYPIP3hairy white oldfield aster · Asteraceae
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Tephrosia virginiana (L.) Pers. Native TEVIVirginia tephrosia · Fabaceae -
Teucrium canadense L. Native TECA3Canada germander · Lamiaceae - Teucrium canadense L. var. canadense Native TECACCanada germander · Lamiaceae
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Thalictrum dasycarpum Fisch. & Avé-Lall. Native THDApurple meadow-rue · Ranunculaceae -
Thalictrum thalictroides (L.) Eames & B. Boivin Native THTH2rue anemone · Ranunculaceae -
Tilia americana L. Native TIAMAmerican basswood · Tiliaceae -
Toxicodendron radicans (L.) Kuntze Native TORA2eastern poison ivy · Anacardiaceae -
Tradescantia ohiensis Raf. Native TROHbluejacket · Commelinaceae -
Tridens flavus (L.) Hitchc. Native TRFL2purpletop tridens · Poaceae