Lewis County

Showing 251–300 of 320.

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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
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  Saxifraga idahoensis Piper Native SAID

  Idaho saxifrage · Saxifragaceae
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  Saxifraga nidifica Greene Native SANI5

  peak saxifrage · Saxifragaceae
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  Saxifraga nidifica Greene var. nidifica Native SANIN

  peak saxifrage · Saxifragaceae
• 
  Scleranthus annuus L. Introduced SCAN2

  German knotgrass · Caryophyllaceae
• 
  Scutellaria angustifolia Pursh Native SCAN3

  narrowleaf skullcap · Lamiaceae
• 
  Sedum stenopetalum Pursh Native SEST2

  wormleaf stonecrop · Crassulaceae
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  Sedum stenopetalum Pursh ssp. stenopetalum Native SESTS2

  wormleaf stonecrop · Crassulaceae
• 
  Senecio integerrimus Nutt. Native SEIN2

  lambstongue ragwort · Asteraceae
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  Senecio integerrimus Nutt. var. exaltatus (Nutt.) Cronquist Native SEINE

  Columbia ragwort · Asteraceae
• 
  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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  Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray Native SIOR

  Oregon checkerbloom · Malvaceae
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  Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana Native SIORO

  Oregon checkerbloom · Malvaceae
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  Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana var. procera C.L. Hitchc. Native SIORP2

  Oregon checkerbloom · Malvaceae
• 
  Silene conoidea L. Introduced SICO4

  weed silene · Caryophyllaceae
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  Silene menziesii Hook. Native SIME

  Menzies' campion · Caryophyllaceae
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  Silene menziesii Hook. ssp. menziesii Native SIMEM

  Menzies' campion · Caryophyllaceae
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  Silene menziesii Hook. ssp. menziesii var. menziesii Native SIMEM2

  Menzies' campion · Caryophyllaceae
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  Silene scouleri Hook. Native SISC7

  simple campion · Caryophyllaceae
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  Silene scouleri Hook. ssp. scouleri Native SISCS2

  simple campion · Caryophyllaceae
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  Silene spaldingii S. Watson Native SISP2

  Spalding's silene · Caryophyllaceae
• 
  Solanum dulcamara L. Introduced SODU

  climbing nightshade · Solanaceae
• 
  Solanum dulcamara L. var. dulcamara Introduced SODUD

  climbing nightshade · Solanaceae
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae
• 
  Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRU

  red sandspurry · Caryophyllaceae
• 
  Symphyotrichum jessicae (Piper) G.L. Nesom Native SYJE

  Jessica's aster · Asteraceae
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  Symphyotrichum spathulatum (Lindl.) G.L. Nesom Native SYSP

  western mountain aster · Asteraceae
• 
  Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. spathulatum Native SYSPS

  western mountain aster · Asteraceae
• 
  Taeniatherum caput-medusae (L.) Nevski Introduced TACA8

  medusahead · Poaceae
• 
  Thalictrum occidentale A. Gray Native THOC

  western meadow-rue · Ranunculaceae
• 
  Thalictrum occidentale A. Gray var. occidentale Native THOCO2

  western meadow-rue · Ranunculaceae
• 
  Thermopsis gracilis Howell Native THGR6

  slender goldenbanner · Fabaceae
• 
  Thermopsis gracilis Howell var. ovata (B.L. Rob. ex Piper) M. Mendenhall Native THGRO

  slender goldenbanner · Fabaceae
• 
  Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

  intermediate wheatgrass · Poaceae
• 
  Thuja plicata Donn ex D. Don Native THPL

  western redcedar · Cupressaceae
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  Torreyochloa pallida (Torr.) Church Native TOPA6

  pale false mannagrass · Poaceae
• 
  Torreyochloa pallida (Torr.) Church var. pauciflora (J. Presl) J.I. Davis Native TOPAP3

  pale false mannagrass · Poaceae
• 
  Tragopogon dubius Scop. Introduced TRDU

  yellow salsify · Asteraceae
• 
  Tribulus terrestris L. Introduced TRTE

  puncturevine · Zygophyllaceae
• 
  Trifolium aureum Pollich Introduced TRAU2

  golden clover · Fabaceae
• 
  Trifolium campestre Schreb. Introduced TRCA5

  field clover · Fabaceae
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  Trifolium douglasii House Native TRDO

  Douglas' clover · Fabaceae
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  Trifolium plumosum Douglas ex Hook. Native TRPL2

  plumed clover · Fabaceae
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  Trifolium plumosum Douglas ex Hook. ssp. amplifolium (J.S. Martin) J.M. Gillett Native TRPLA

  bigleaf clover · Fabaceae
• 
  Triteleia grandiflora Lindl. Native TRGR7

  largeflower triteleia · Liliaceae
• 
  Triteleia grandiflora Lindl. var. grandiflora Native TRGRG2

  largeflower triteleia · Liliaceae
• 
  Ulmus pumila L. Introduced ULPU

  Siberian elm · Ulmaceae
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae