Index / States / Illinois / Jefferson
§1County listing — Illinois
Jefferson County
Illinois
- FIPS
- 17081
- Taxa recorded
- 821
- State
- Illinois
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Showing 701–750 of 821.
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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 -
Sinapis arvensis L. Introduced SIAR4charlock mustard · Brassicaceae - Sinapis arvensis L. ssp. arvensis Introduced SIARAwild mustard · Brassicaceae
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Sisymbrium altissimum L. Introduced SIAL2tall tumblemustard · Brassicaceae -
Sisyrinchium albidum Raf. Native SIAL3white blue-eyed grass · Iridaceae -
Smilax ecirrhata (Engelm. ex Kunth) S. Watson Native SMECupright carrionflower · Smilacaceae -
Smilax lasioneura Hook. Native SMLA3Blue Ridge carrionflower · Smilacaceae -
Smilax pulverulenta Michx. Native SMPU2downy 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 -
Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae -
Solidago gigantea Aiton Native SOGIgiant 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 rugosa Mill. Native SORU2wrinkleleaf 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 asper (L.) Hill Introduced SOASspiny 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 -
Sphenopholis obtusata (Michx.) Scribn. Native SPOBprairie wedgescale · Poaceae -
Spigelia marilandica (L.) L. Native SPMA3woodland pinkroot · Loganiaceae -
Spiranthes cernua (L.) Rich. Native SPCEnodding lady's tresses · Orchidaceae -
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 vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVApoverty dropseed · Poaceae - Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2poverty dropseed · Poaceae
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Stachys tenuifolia Willd. Native STTEsmooth hedgenettle · Lamiaceae -
Staphylea trifolia L. Native STTRAmerican bladdernut · Staphyleaceae -
Stellaria graminea L. Introduced STGRgrass-like starwort · Caryophyllaceae -
Stellaria longifolia Muhl. ex Willd. Native STLOlongleaf starwort · Caryophyllaceae - Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOLlongleaf starwort · Caryophyllaceae
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Stellaria media (L.) Vill. Introduced STME2common chickweed · Caryophyllaceae -
Strophostyles helvola (L.) Elliott Native STHE9amberique-bean · Fabaceae -
Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6slickseed fuzzybean · Fabaceae -
Strophostyles umbellata (Muhl. ex Willd.) Britton Native STUM2pink fuzzybean · Fabaceae -
Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2sidebeak pencilflower · Fabaceae -
Symphoricarpos orbiculatus Moench Native SYORcoralberry · Caprifoliaceae -
Symphyotrichum anomalum (Engelm.) G.L. Nesom Native SYAN2manyray aster · Asteraceae -
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 lateriflorum (L.) Á. Löve & D. Löve Native SYLA4calico aster · Asteraceae