Polk County

Showing 1–50 of 153.

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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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  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
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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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  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
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  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
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  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae
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  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
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  Artemisia absinthium L. Introduced ARAB3

  absinthium · Asteraceae
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  Asclepias incarnata L. Native ASIN

  swamp milkweed · Asclepiadaceae
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  Asclepias incarnata L. ssp. incarnata Native ASINI

  swamp milkweed · Asclepiadaceae
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  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
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  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae
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  Astragalus lotiflorus Hook. Native ASLO4

  lotus milkvetch · Fabaceae
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  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae
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  Bidens connata Muhl. ex Willd. Native BICO5

  purplestem beggarticks · Asteraceae
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  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
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  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae
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  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
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  Boltonia asteroides (L.) L'Hér. Native BOAS

  white doll's daisy · Asteraceae
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  Boltonia asteroides (L.) L'Hér. var. recognita (Fernald & Grisc.) Cronquist Native BOASR

  white doll's daisy · Asteraceae
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  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
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  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
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  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae
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  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae
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  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae
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  Carex duriuscula C.A. Mey. Native CADU6

  needleleaf sedge · Cyperaceae
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  Carex inops L.H. Bailey Native CAIN9

  long-stolon sedge · Cyperaceae
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  Carex inops L.H. Bailey ssp. heliophila (Mack.) Crins Native CAINH2

  sun sedge · Cyperaceae
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  Carex meadii Dewey Native CAME2

  Mead's sedge · Cyperaceae
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  Carex praegracilis W. Boott Native CAPR5

  clustered field sedge · Cyperaceae
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  Carex scoparia Schkuhr ex Willd. Native CASC11

  broom sedge · Cyperaceae
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  Carex scoparia Schkuhr ex Willd. var. scoparia Native CASCS

  broom sedge · Cyperaceae
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  Carex stipata Muhl. ex Willd. Native CAST5

  awlfruit sedge · Cyperaceae
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  Carex stipata Muhl. ex Willd. var. stipata Native CASTS3

  owlfruit sedge · Cyperaceae
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  Chamaesyce missurica (Raf.) Shinners Native CHMI8

  prairie sandmat · Euphorbiaceae
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  Coreopsis tinctoria Nutt. Native COTI3

  golden tickseed · Asteraceae
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  Coreopsis tinctoria Nutt. var. tinctoria Native COTIT

  golden tickseed · Asteraceae
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  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae
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  Cornus sericea L. Native COSE16

  redosier dogwood · Cornaceae
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  Cornus sericea L. ssp. sericea Native COSES

  redosier dogwood · Cornaceae
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  Croton texensis (Klotzsch) Müll. Arg. Native CRTE4

  Texas croton · Euphorbiaceae
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  Croton texensis (Klotzsch) Müll. Arg. var. texensis Native CRTET

  Texas croton · Euphorbiaceae
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  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae
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  Cyperus schweinitzii Torr. Native CYSC3

  Schweinitz's flatsedge · Cyperaceae
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  Descurainia pinnata (Walter) Britton Native DEPI

  western tansymustard · Brassicaceae
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  Descurainia pinnata (Walter) Britton ssp. brachycarpa (Richardson) Detling Native DEPIB

  western tansymustard · Brassicaceae
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  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae
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  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae