Rooks County

Showing 1–50 of 628.

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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae
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  Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHY

  Indian ricegrass · Poaceae
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  Acorus calamus L. Introduced ACCA4

  calamus · Acoraceae
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  Agalinis aspera (Douglas ex Benth.) Britton Native AGAS2

  tall false foxglove · Scrophulariaceae
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  Agalinis tenuifolia (Vahl) Raf. Native AGTE3

  slenderleaf false foxglove · Scrophulariaceae
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  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae
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  Alcea rosea L. Introduced ALRO3

  hollyhock · Malvaceae
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  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae
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  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
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  Allium perdulce S.V. Fraser Native ALPE2

  plains onion · Liliaceae
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  Allium perdulce S.V. Fraser var. perdulce Native ALPEP

  plains onion · Liliaceae
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  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
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  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae
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  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
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  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
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  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
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  Ambrosia acanthicarpa Hook. Native AMAC2

  flatspine bur ragweed · Asteraceae
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  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae
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  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
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  Ambrosia grayi (A. Nelson) Shinners Native AMGR5

  woollyleaf bur ragweed · Asteraceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
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  Ammannia auriculata Willd. Native AMAU2

  eared redstem · Lythraceae
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  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
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  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
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  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
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  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
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  Andropogon hallii Hack. Native ANHA

  sand bluestem · Poaceae
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  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae
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  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2

  crested pricklypoppy · Papaveraceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
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  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
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  Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

  horseradish · Brassicaceae
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  Artemisia campestris L. Native ARCA12

  field sagewort · Asteraceae
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  Artemisia campestris L. ssp. caudata (Michx.) H.M. Hall & Clem. Native ARCAC

  field sagewort · Asteraceae
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  Artemisia carruthii Alph. Wood ex Carruth. Native ARCA14

  Carruth's sagewort · Asteraceae
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  Artemisia dracunculus L. Native ARDR4

  tarragon · Asteraceae
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  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
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  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae
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  Asclepias arenaria Torr. Native ASAR

  sand milkweed · Asclepiadaceae
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  Asclepias asperula (Decne.) Woodson Native ASAS

  spider milkweed · Asclepiadaceae
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  Asclepias asperula (Decne.) Woodson ssp. capricornu (Woodson) Woodson Native ASASC

  antelopehorns · Asclepiadaceae
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  Asclepias engelmanniana Woodson Native ASEN

  Engelmann's milkweed · Asclepiadaceae