Mahaska County

Showing 1–50 of 137.

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  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae
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  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
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  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae
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  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae
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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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  Antennaria plantaginifolia (L.) Richardson Native ANPL

  woman's tobacco · Asteraceae
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  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · 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 purpurascens L. Native ASPU2

  purple milkweed · Asclepiadaceae
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  Asclepias sullivantii Engelm. ex A. Gray Native ASSU3

  prairie milkweed · Asclepiadaceae
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  Asplenium rhizophyllum L. Native ASRH2

  walking fern · Aspleniaceae
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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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  Bidens aristosa (Michx.) Britton Native BIAR

  bearded beggarticks · Asteraceae
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  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae
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  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
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  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
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  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae
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  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae
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  Bromus arvensis L. Introduced BRAR5

  field brome · 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 pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae
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  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae
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  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae
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  Bromus tectorum L. Introduced BRTE

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

  American bellflower · Campanulaceae
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  Chamaecrista fasciculata (Michx.) Greene Native CHFA2

  partridge pea · Fabaceae
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  Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAF

  partridge pea · Fabaceae
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  Cinna arundinacea L. Native CIAR2

  sweet woodreed · Poaceae
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  Cirsium altissimum (L.) Hill Native CIAL2

  tall thistle · Asteraceae
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  Coreopsis palmata Nutt. Native COPA10

  stiff tickseed · Asteraceae
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  Cyperus schweinitzii Torr. Native CYSC3

  Schweinitz's flatsedge · Cyperaceae
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  Desmodium canescens (L.) DC. Native DECA8

  hoary ticktrefoil · Fabaceae
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  Desmodium glutinosum (Muhl. ex Willd.) Alph. Wood Native DEGL5

  pointedleaf ticktrefoil · Fabaceae
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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 sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae
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  Echinacea pallida (Nutt.) Nutt. Native ECPA

  pale purple coneflower · Asteraceae
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  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae
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  Elymus macgregorii R. Brooks & J.J.N. Campb. Native ELMA

  early wildrye · Poaceae
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  Equisetum hyemale L. Native EQHY

  scouringrush horsetail · Equisetaceae
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  Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton Native EQHYA

  scouringrush horsetail · Equisetaceae
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  Equisetum laevigatum A. Braun Native EQLA

  smooth horsetail · Equisetaceae
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  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae
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  Erigeron annuus (L.) Pers. Native ERAN

  eastern daisy fleabane · Asteraceae