Iowa

• Adair 19001
  393 taxa Open ↗
• Adams 19003
  200 taxa Open ↗
• Allamakee 19005
  118 taxa Open ↗
• Appanoose 19007
  38 taxa Open ↗
• Audubon 19009
  225 taxa Open ↗
• Benton 19011
  21 taxa Open ↗
• Black Hawk 19013
  33 taxa Open ↗
• Boone 19015
  146 taxa Open ↗
• Bremer 19017
  24 taxa Open ↗
• Buchanan 19019
  16 taxa Open ↗

Showing 551–600 of 2,225.

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  Clematis virginiana L. Native CLVI5

  devil's darning needles · Ranunculaceae 13 counties
• 
  Cleome serrulata Pursh Native CLSE

  Rocky Mountain beeplant · Capparaceae 7 counties
• 
  Collinsia verna Nutt. Native COVE2

  spring blue eyed Mary · Scrophulariaceae 2 counties
• 
  Collomia linearis Nutt. Native COLI2

  tiny trumpet · Polemoniaceae 1 county
• 
  Comandra umbellata (L.) Nutt. Native COUM

  bastard toadflax · Santalaceae 21 counties
• 
  Comandra umbellata (L.) Nutt. ssp. umbellata Native COUMU

  bastard toadflax · Santalaceae 21 counties
• 
  Commelina communis L. Introduced COCO3

  Asiatic dayflower · Commelinaceae 3 counties
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  Commelina erecta L. Native COER

  whitemouth dayflower · Commelinaceae 2 counties
• 
  Commelina erecta L. var. deamiana Fernald Native COERD

  whitemouth dayflower · Commelinaceae 1 county
• 
  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae 8 counties
• 
  Conoclinium coelestinum (L.) DC. Native COCO13

  blue mistflower · Asteraceae 1 county
• 
  Conringia orientalis (L.) Dumort. Introduced COOR

  hare's ear mustard · Brassicaceae 2 counties
• 
  Consolida ajacis (L.) Schur Introduced COAJ

  doubtful knight's-spur · Ranunculaceae 3 counties
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae 12 counties
• 
  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae 22 counties
• 
  Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

  Canadian horseweed · Asteraceae 22 counties
• 
  Conyza ramosissima Cronquist Native CORA4

  dwarf horseweed · Asteraceae 8 counties
• 
  Corallorhiza maculata (Raf.) Raf. Native COMA25

  summer coralroot · Orchidaceae 1 county
• 
  Corallorhiza maculata (Raf.) Raf. var. maculata Native COMAM7

  summer coralroot · Orchidaceae 1 county
• 
  Corallorhiza odontorhiza (Willd.) Poir. Native COOD7

  autumn coralroot · Orchidaceae 3 counties
• 
  Corallorhiza odontorhiza (Willd.) Poir. var. odontorhiza Native COODO2

  autumn coralroot · Orchidaceae 2 counties
• 
  Coreopsis lanceolata L. Native COLA5

  lanceleaf tickseed · Asteraceae 2 counties
• 
  Coreopsis palmata Nutt. Native COPA10

  stiff tickseed · Asteraceae 20 counties
• 
  Coreopsis tinctoria Nutt. Native COTI3

  golden tickseed · Asteraceae 4 counties
• 
  Coreopsis tinctoria Nutt. var. tinctoria Native COTIT

  golden tickseed · Asteraceae 3 counties
• 
  Coreopsis tripteris L. Native COTR4

  tall tickseed · Asteraceae 7 counties
• 
  Corispermum americanum (Nutt.) Nutt. Native COAM8

  American bugseed · Chenopodiaceae 1 county
• 
  Corispermum americanum (Nutt.) Nutt. var. americanum Native COAMA2

  American bugseed · Chenopodiaceae 1 county
• 
  Corispermum villosum Rydb. Native COVI5

  hairy bugseed · Chenopodiaceae 1 county
• 
  Cornus alternifolia L. f. Native COAL2

  alternateleaf dogwood · Cornaceae 2 counties
• 
  Cornus amomum Mill. Native COAM2

  silky dogwood · Cornaceae 2 counties
• 
  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae 19 counties
• 
  Cornus florida L. Native COFL2

  flowering dogwood · Cornaceae 1 county
• 
  Cornus obliqua Raf. Native COOB9

  silky dogwood · Cornaceae 10 counties
• 
  Cornus racemosa Lam. Native CORA6

  gray dogwood · Cornaceae 15 counties
• 
  Cornus rugosa Lam. Native CORU

  roundleaf dogwood · Cornaceae 1 county
• 
  Cornus sericea L. Native COSE16

  redosier dogwood · Cornaceae 9 counties
• 
  Cornus sericea L. ssp. sericea Native COSES

  redosier dogwood · Cornaceae 9 counties
• 
  Corydalis aurea Willd. Native COAU2

  scrambled eggs · Fumariaceae 1 county
• 
  Corydalis flavula (Raf.) DC. Native COFL3

  yellow fumewort · Fumariaceae 1 county
• 
  Corydalis micrantha (Engelm. ex A. Gray) A. Gray Native COMI2

  smallflower fumewort · Fumariaceae 14 counties
• 
  Corydalis micrantha (Engelm. ex A. Gray) A. Gray ssp. micrantha Native COMIM2

  smallflower fumewort · Fumariaceae 13 counties
• 
  Corylus americana Walter Native COAM3

  American hazelnut · Betulaceae 22 counties
• 
  Crataegus calpodendron (Ehrh.) Medik. Native CRCA

  pear hawthorn · Rosaceae 2 counties
• 
  Crataegus chrysocarpa Ashe Native CRCH

  fireberry hawthorn · Rosaceae 3 counties
• 
  Crataegus chrysocarpa Ashe var. chrysocarpa Native CRCHC2

  red haw · Rosaceae 3 counties
• 
  Crataegus crus-galli L. Native CRCR2

  cockspur hawthorn · Rosaceae 5 counties
• 
  Crataegus margarettiae Ashe Native CRMA4

  Margarett's hawthorn · Rosaceae 1 county
• 
  Crataegus mollis Scheele Native CRMO2

  downy hawthorn · Rosaceae 14 counties
• 
  Crataegus pruinosa (Wendl. f.) K. Koch Native CRPR2

  waxyfruit hawthorn · Rosaceae 1 county