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 51–100 of 1,852 (native).

• 
  Allium canadense L. var. lavandulare (Bates) Ownbey & Aase Native ALCAL

  meadow garlic · Liliaceae 1 county
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae 1 county
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae 1 county
• 
  Allium perdulce S.V. Fraser Native ALPE2

  plains onion · Liliaceae 1 county
• 
  Allium perdulce S.V. Fraser var. perdulce Native ALPEP

  plains onion · Liliaceae 1 county
• 
  Allium stellatum Fraser ex Ker Gawl. Native ALST

  autumn onion · Liliaceae 6 counties
• 
  Allium tricoccum Aiton Native ALTR3

  ramp · Liliaceae 9 counties
• 
  Alopecurus aequalis Sobol. Native ALAE

  shortawn foxtail · Poaceae 9 counties
• 
  Alopecurus aequalis Sobol. var. aequalis Native ALAEA

  shortawn foxtail · Poaceae 9 counties
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae 15 counties
• 
  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae 2 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 6 counties
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 22 counties
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae 39 counties
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae 1 county
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 12 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 21 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 19 counties
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

  Saskatoon serviceberry · Rosaceae 1 county
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia Native AMALA

  Saskatoon serviceberry · Rosaceae 1 county
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 9 counties
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae 9 counties
• 
  Amelanchier humilis Wiegand Native AMHU2

  low serviceberry · Rosaceae 2 counties
• 
  Amelanchier sanguinea (Pursh) DC. Native AMSA

  roundleaf serviceberry · Rosaceae 3 counties
• 
  Amelanchier sanguinea (Pursh) DC. var. sanguinea Native AMSAS

  roundleaf serviceberry · Rosaceae 3 counties
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae 12 counties
• 
  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae 1 county
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae 32 counties
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae 25 counties
• 
  Amorpha nana Nutt. Native AMNA

  dwarf false indigo · Fabaceae 5 counties
• 
  Ampelopsis cordata Michx. Native AMCO2

  heartleaf peppervine · Vitaceae 2 counties
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae 20 counties
• 
  Amphicarpaea bracteata (L.) Fernald var. bracteata Native AMBRB

  American hogpeanut · Fabaceae 1 county
• 
  Amphicarpaea bracteata (L.) Fernald var. comosa Native AMBRC

  American hogpeanut · Fabaceae 1 county
• 
  Amsonia tabernaemontana Walter Native AMTA2

  eastern bluestar · Apocynaceae 1 county
• 
  Anagallis minima (L.) Krause Native ANMI4

  chaffweed · Primulaceae 1 county
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae 57 counties
• 
  Andropogon hallii Hack. Native ANHA

  sand bluestem · Poaceae 1 county
• 
  Andropogon virginicus L. Native ANVI2

  broomsedge bluestem · Poaceae 2 counties
• 
  Andropogon virginicus L. var. virginicus Native ANVIV

  broomsedge bluestem · Poaceae 2 counties
• 
  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae 9 counties
• 
  Anemone canadensis L. Native ANCA8

  Canadian anemone · Ranunculaceae 25 counties
• 
  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae 3 counties
• 
  Anemone cylindrica A. Gray Native ANCY

  candle anemone · Ranunculaceae 24 counties
• 
  Anemone quinquefolia L. Native ANQU

  wood anemone · Ranunculaceae 4 counties
• 
  Anemone quinquefolia L. var. bifolia Farw. Native ANQUB2

  twoleaf anemone · Ranunculaceae 3 counties
• 
  Anemone virginiana L. Native ANVI3

  tall thimbleweed · Ranunculaceae 21 counties
• 
  Anemone virginiana L. var. virginiana Native ANVIV2

  tall thimbleweed · Ranunculaceae 20 counties
• 
  Angelica atropurpurea L. Native ANAT

  purplestem angelica · Apiaceae 1 county
• 
  Anoda cristata (L.) Schltdl. Native ANCR2

  crested anoda · Malvaceae 1 county