Polk County

Showing 1–50 of 125.

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  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae
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  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae
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  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae
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  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
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  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Athyrium filix-femina (L.) Roth Native ATFI

  common ladyfern · Dryopteridaceae
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  Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen Native ATFIA

  subarctic ladyfern · Dryopteridaceae
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  Baptisia alba (L.) Vent. Native BAAL

  white wild indigo · Fabaceae
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  Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely Native BAALM

  largeleaf wild indigo · Fabaceae
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  Bidens aristosa (Michx.) Britton Native BIAR

  bearded 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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  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae
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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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  Bouteloua hirsuta Lag. Native BOHI2

  hairy grama · Poaceae
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  Bouteloua hirsuta Lag. var. hirsuta Native BOHIH

  hairy grama · Poaceae
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  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae
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  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae
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  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae
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  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae
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  Calamagrostis canadensis (Michx.) P. Beauv. Native CACA4

  bluejoint · Poaceae
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  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae
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  Carex brevior (Dewey) Mack. Native CABR10

  shortbeak sedge · Cyperaceae
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  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae
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  Chloris verticillata Nutt. Native CHVE2

  tumble windmill grass · Poaceae
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  Cinna arundinacea L. Native CIAR2

  sweet woodreed · Poaceae
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  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae
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  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae
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  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae
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  Desmodium illinoense A. Gray Native DEIL2

  Illinois ticktrefoil · Fabaceae
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  Diarrhena obovata (Gleason) Brandenburg Native DIOB3

  obovate beakgrain · Poaceae
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  Dichanthelium leibergii (Vasey) Freckmann Native DILE2

  Leiberg's panicum · Poaceae
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  Dichanthelium oligosanthes (Schult.) Gould Native DIOL

  Heller's rosette grass · Poaceae
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  Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould Native DIOLS

  Scribner's rosette grass · Poaceae
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  Digitaria cognata (Schult.) Pilg. Native DICO6

  fall witchgrass · Poaceae
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  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae
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  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae
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  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae
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  Echinochloa muricata (P. Beauv.) Fernald Native ECMU2

  rough barnyardgrass · Poaceae
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  Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand Native ECMUM

  rough barnyardgrass · Poaceae
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  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae
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  Elymus canadensis L. Native ELCA4

  Canada wildrye · Poaceae
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  Elymus hystrix L. Native ELHY

  eastern bottlebrush grass · Poaceae
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  Elymus hystrix L. var. hystrix Native ELHYH

  eastern bottlebrush grass · Poaceae
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  Elymus villosus Muhl. ex Willd. Native ELVI

  hairy wildrye · Poaceae
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  Elymus virginicus L. Native ELVI3

  Virginia wildrye · Poaceae
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  Elymus virginicus L. var. virginicus Native ELVIV

  Virginia wildrye · Poaceae