Linn County

Showing 751–800 of 895.

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  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
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  Silene stellata (L.) W.T. Aiton Native SIST

  widowsfrill · Caryophyllaceae
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  Silphium laciniatum L. Native SILA3

  compassplant · Asteraceae
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  Silphium laciniatum L. var. laciniatum Native SILAL2

  compassplant · Asteraceae
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  Silphium perfoliatum L. Native SIPE2

  cup plant · Asteraceae
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  Silphium perfoliatum L. var. perfoliatum Native SIPEP

  cup plant · Asteraceae
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  Sisymbrium officinale (L.) Scop. Introduced SIOF

  hedgemustard · Brassicaceae
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  Sisyrinchium angustifolium Mill. Native SIAN3

  narrowleaf blue-eyed grass · Iridaceae
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  Sisyrinchium campestre E.P. Bicknell Native SICA9

  prairie blue-eyed grass · Iridaceae
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  Smilax lasioneura Hook. Native SMLA3

  Blue Ridge carrionflower · Smilacaceae
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  Smilax tamnoides L. Native SMTA2

  bristly greenbrier · Smilacaceae
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  Solanum carolinense L. Native SOCA3

  Carolina horsenettle · Solanaceae
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  Solanum carolinense L. var. carolinense Native SOCAC4

  Carolina horsenettle · Solanaceae
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  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
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  Solidago altissima L. Native SOAL6

  Canada goldenrod · Asteraceae
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  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae
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  Solidago canadensis L. var. hargeri Fernald Native SOCAH

  Harger's goldenrod · Asteraceae
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  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
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  Solidago missouriensis Nutt. Native SOMI2

  Missouri goldenrod · Asteraceae
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  Solidago missouriensis Nutt. var. fasciculata Holz. Native SOMIF

  Missouri goldenrod · Asteraceae
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  Solidago nemoralis Aiton Native SONE

  gray goldenrod · Asteraceae
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  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae
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  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae
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  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae
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  Spermacoce glabra Michx. Native SPGL2

  smooth false buttonweed · Rubiaceae
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  Spermolepis inermis (Nutt. ex DC.) Mathias & Constance Native SPIN

  Red River scaleseed · Apiaceae
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  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
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  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae
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  Spiranthes lacera (Raf.) Raf. Native SPLA4

  northern slender lady's tresses · Orchidaceae
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  Spiranthes lacera (Raf.) Raf. var. gracilis (Bigelow) Luer Native SPLAG

  northern slender lady's tresses · Orchidaceae
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  Spiranthes ovalis Lindl. Native SPOV

  October lady's tresses · Orchidaceae
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  Spiranthes ovalis Lindl. var. erostellata Catling Native SPOVE

  October lady's tresses · Orchidaceae
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  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae
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  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
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  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae
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  Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2

  composite dropseed · Poaceae
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  Sporobolus neglectus Nash Native SPNE2

  puffsheath dropseed · Poaceae
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  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae
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  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2

  poverty dropseed · Poaceae
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  Stachys tenuifolia Willd. Native STTE

  smooth hedgenettle · Lamiaceae
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  Staphylea trifolia L. Native STTR

  American bladdernut · Staphyleaceae
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  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae
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  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae
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  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae
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  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae
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  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae
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  Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYERE

  white heath aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

  white panicle aster · Asteraceae