Sioux County

Showing 401–440 of 440.

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  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae
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  Symphoricarpos occidentalis Hook. Native SYOC

  western 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 laeve (L.) Á. Löve & D. Löve Native SYLA3

  smooth blue aster · Asteraceae
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  Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve Native SYLAL3

  smooth blue aster · Asteraceae
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  Symphyotrichum ontarionis (Wiegand) G.L. Nesom Native SYON2

  bottomland aster · Asteraceae
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  Symphyotrichum sericeum (Vent.) G.L. Nesom Native SYSE2

  western silver aster · Asteraceae
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  Thalictrum dasycarpum Fisch. & Avé-Lall. Native THDA

  purple meadow-rue · Ranunculaceae
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  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae
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  Tilia americana L. Native TIAM

  American basswood · Tiliaceae
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  Toxicodendron radicans (L.) Kuntze Native TORA2

  eastern poison ivy · Anacardiaceae
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  Toxicodendron radicans (L.) Kuntze ssp. negundo (Greene) Gillis Native TORAN

  eastern poison ivy · Anacardiaceae
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  Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORY

  western poison ivy · Anacardiaceae
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  Tradescantia bracteata Small Native TRBR

  longbract spiderwort · Commelinaceae
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  Tragopogon dubius Scop. Introduced TRDU

  yellow salsify · Asteraceae
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  Trifolium repens L. Introduced TRRE3

  white clover · Fabaceae
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  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae
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  Typha latifolia L. Native TYLA

  broadleaf cattail · Typhaceae
• 
  Ulmus americana L. Native ULAM

  American elm · Ulmaceae
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  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae
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  Urtica dioica L. ssp. gracilis (Aiton) Seland. Native URDIG

  California nettle · Urticaceae
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  Verbena hastata L. Native VEHA2

  swamp verbena · Verbenaceae
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  Verbena stricta Vent. Native VEST

  hoary verbena · Verbenaceae
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  Verbena urticifolia L. Native VEUR

  white vervain · Verbenaceae
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  Vernonia fasciculata Michx. Native VEFA2

  prairie ironweed · Asteraceae
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  Vernonia fasciculata Michx. ssp. corymbosa (Schwein. ex Keating) S.B. Jones Native VEFAC

  prairie ironweed · Asteraceae
• 
  Veronica persica Poir. Introduced VEPE3

  birdeye speedwell · Scrophulariaceae
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  Vicia americana Muhl. ex Willd. Native VIAM

  American vetch · Fabaceae
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  Vicia americana Muhl. ex Willd. ssp. americana Native VIAMA3

  American vetch · Fabaceae
• 
  Viola canadensis L. Native VICA4

  Canadian white violet · Violaceae
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  Viola canadensis L. var. rugulosa (Greene) C.L. Hitchc. Native VICAR

  creepingroot violet · Violaceae
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  Viola pedatifida G. Don Native VIPE2

  prairie violet · Violaceae
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  Viola pubescens Aiton Native VIPU3

  downy yellow violet · Violaceae
• 
  Viola pubescens Aiton var. pubescens Native VIPUP2

  downy yellow violet · Violaceae
• 
  Viola sororia Willd. Native VISO

  common blue violet · Violaceae
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  Vitis riparia Michx. Native VIRI

  riverbank grape · Vitaceae
• 
  Xanthium strumarium L. Native XAST

  rough cocklebur · Asteraceae
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  Zizia aurea (L.) W.D.J. Koch Native ZIAU

  golden zizia · Apiaceae
• ⚘
  ×Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey [Elymus trachycaulus × Hordeum jubatum] Native ELMA8

  Macoun's barley · Poaceae