Knox County

Showing 1,101–1,150 of 1,348.

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  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
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  Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

  little bluestem · Poaceae
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  Schoenoplectiella smithii (A. Gray) Hayas. Native SCSM3

  Smith's bulrush · Cyperaceae
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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae
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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACA

  hardstem bulrush · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5

  common threesquare · Cyperaceae
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  Schoenoplectus subterminalis (Torr.) Soják Native SCSU10

  swaying bulrush · Cyperaceae
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  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae
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  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae
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  Scirpus cyperinus (L.) Kunth Native SCCY

  woolgrass · Cyperaceae
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  Scirpus microcarpus J. Presl & C. Presl Native SCMI2

  panicled bulrush · Cyperaceae
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  Scrophularia lanceolata Pursh Native SCLA

  lanceleaf figwort · Scrophulariaceae
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  Scutellaria galericulata L. Native SCGA

  marsh skullcap · Lamiaceae
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  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae
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  Scutellaria lateriflora L. var. lateriflora Native SCLAL2

  blue skullcap · Lamiaceae
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  Secale cereale L. Introduced SECE

  cereal rye · Poaceae
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  Securigera varia (L.) Lassen Introduced SEVA4

  crownvetch · Fabaceae
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  Sedum acre L. Introduced SEAC

  goldmoss stonecrop · Crassulaceae
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  Selaginella rupestris (L.) Spring Native SERU

  northern selaginella · Selaginellaceae
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  Sempervivum tectorum L. Introduced SETE5

  common houseleek · Crassulaceae
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  Senecio sylvaticus L. Introduced SESY

  woodland ragwort · Asteraceae
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  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae
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  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae
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  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae
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  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae
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  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae
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  Sibbaldiopsis tridentata (Aiton) Rydb. Native SITR3

  shrubby fivefingers · Rosaceae
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  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
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  Silene armeria L. Introduced SIAR

  sweet William silene · Caryophyllaceae
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  Silene dichotoma Ehrh. Introduced SIDI2

  forked catchfly · Caryophyllaceae
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  Silene latifolia Poir. Introduced SILA21

  bladder campion · Caryophyllaceae
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  Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3

  bladder campion · Caryophyllaceae
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  Silene noctiflora L. Introduced SINO

  nightflowering silene · Caryophyllaceae
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  Silene vulgaris (Moench) Garcke Introduced SIVU

  maidenstears · Caryophyllaceae
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  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae
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  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae
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  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae
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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 atlanticum E.P. Bicknell Native SIAT

  eastern blue-eyed grass · Iridaceae
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  Sisyrinchium montanum Greene Native SIMO2

  strict blue-eyed grass · Iridaceae
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  Sisyrinchium montanum Greene var. crebrum Fernald Native SIMOC

  strict blue-eyed grass · Iridaceae
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  Sium suave Walter Native SISU2

  hemlock waterparsnip · Apiaceae
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  Smilax herbacea L. Native SMHE

  smooth carrionflower · Smilacaceae
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  Solanum dulcamara L. Introduced SODU

  climbing nightshade · Solanaceae
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  Solanum nigrum L. Introduced SONI

  black nightshade · Solanaceae
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  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
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  Solidago arguta Aiton Native SOAR

  Atlantic goldenrod · Asteraceae
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  Solidago arguta Aiton var. arguta Native SOARA

  Atlantic goldenrod · Asteraceae