El Paso County

Showing 701–750 of 811.

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  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
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  Silene laciniata Cav. Native SILA2

  cardinal catchfly · Caryophyllaceae
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  Silene laciniata Cav. ssp. greggii (A. Gray) C.L. Hitchc. & Maguire Native SILAG2

  cardinal catchfly · Caryophyllaceae
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  Silene plankii C.L. Hitchc. & Maguire Native SIPL

  Plank's catchfly · Caryophyllaceae
• 
  Sinapis arvensis L. Introduced SIAR4

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

  wild mustard · Brassicaceae
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae
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  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae
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  Sisymbrium orientale L. Introduced SIOR4

  Indian hedgemustard · Brassicaceae
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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
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  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae
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  Solidago canadensis L. var. gilvocanescens Rydb. Native SOCAG

  shorthair goldenrod · Asteraceae
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  Solidago velutina DC. Native SOVE6

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

  spiny sowthistle · Asteraceae
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae
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  Sophora nuttalliana B.L. Turner Native SONU

  silky sophora · Fabaceae
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  Spartium junceum L. Introduced SPJU2

  Spanish broom · Fabaceae
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  Spergularia salina J. Presl & C. Presl Native SPSA5

  salt sandspurry · Caryophyllaceae
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  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
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  Sphaeralcea angustifolia (Cav.) G. Don Native SPAN3

  copper globemallow · Malvaceae
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  Sphaeralcea hastulata A. Gray Native SPHA

  spear globemallow · Malvaceae
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  Sphaeralcea laxa Wooton & Standl. Native SPLA

  caliche globemallow · Malvaceae
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  Sphaerophysa salsula (Pall.) DC. Introduced SPSA3

  alkali swainsonpea · Fabaceae
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  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
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  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae
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  Sporobolus contractus Hitchc. Native SPCO4

  spike dropseed · Poaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
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  Sporobolus flexuosus (Thurb. ex Vasey) Rydb. Native SPFL2

  mesa dropseed · Poaceae
• 
  Sporobolus giganteus Nash Native SPGI

  giant dropseed · Poaceae
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  Sporobolus pyramidatus (Lam.) Hitchc. Native SPPY2

  Madagascar dropseed · Poaceae
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  Sporobolus texanus Vasey Native SPTE5

  Texas dropseed · Poaceae
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  Sporobolus wrightii Munro ex Scribn. Native SPWR2

  big sacaton · Poaceae
• 
  Stenandrium barbatum Torr. & A. Gray Native STBA

  early shaggytuft · Acanthaceae
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  Stephanomeria exigua Nutt. Native STEX

  small wirelettuce · Asteraceae
• 
  Stephanomeria exigua Nutt. ssp. exigua Native STEXE

  small wirelettuce · Asteraceae
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  Stephanomeria minor (Hook.) Nutt. Native STMI13

  lesser wirelettuce · Asteraceae
• 
  Stephanomeria minor (Hook.) Nutt. var. minor Native STMIM

  narrowleaf wirelettuce · Asteraceae
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  Stephanomeria pauciflora (Torr.) A. Nelson Native STPA4

  brownplume wirelettuce · Asteraceae
• 
  Streptanthus carinatus C. Wright ex A. Gray Native STCA5

  lyreleaf jewelflower · Brassicaceae
• 
  Streptanthus carinatus C. Wright ex A. Gray ssp. arizonicus (S. Watson) Kruckeb., Rodman & Worthington Native STCAA

  lyreleaf jewelflower · Brassicaceae
• 
  Streptanthus carinatus C. Wright ex A. Gray ssp. carinatus Native STCAC

  lyreleaf jewelflower · Brassicaceae
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae
• 
  Stylocline micropoides A. Gray Native STMI2

  woollyhead neststraw · Asteraceae
• 
  Suaeda suffrutescens S. Watson Native SUSU

  desert seepweed · Chenopodiaceae
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  Symphoricarpos rotundifolius A. Gray Native SYRO

  roundleaf snowberry · Caprifoliaceae
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  Symphoricarpos rotundifolius A. Gray var. rotundifolius Native SYROR

  roundleaf snowberry · 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 expansum (Poepp. ex Spreng.) G.L. Nesom Native SYEX

  southwestern annual saltmarsh aster · Asteraceae
• 
  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae