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 251–300 of 2,225.

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  Betula papyrifera Marshall Native BEPA

  paper birch · Betulaceae 2 counties
• 
  Betula papyrifera Marshall var. papyrifera Native BEPAP

  paper birch · Betulaceae 1 county
• 
  Bidens aristosa (Michx.) Britton Native BIAR

  bearded beggarticks · Asteraceae 28 counties
• 
  Bidens bipinnata L. Native BIBI7

  Spanish needles · Asteraceae 4 counties
• 
  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae 61 counties
• 
  Bidens connata Muhl. ex Willd. Native BICO5

  purplestem beggarticks · Asteraceae 24 counties
• 
  Bidens coronata (L.) Britton Native BICO

  crowned beggarticks · Asteraceae 9 counties
• 
  Bidens discoidea (Torr. & A. Gray) Britton Native BIDI

  small beggarticks · Asteraceae 1 county
• 
  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae 46 counties
• 
  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae 40 counties
• 
  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae 47 counties
• 
  Blephilia ciliata (L.) Benth. Native BLCI

  downy pagoda-plant · Lamiaceae 1 county
• 
  Blephilia hirsuta (Pursh) Benth. Native BLHI

  hairy pagoda-plant · Lamiaceae 2 counties
• 
  Blephilia hirsuta (Pursh) Benth. var. hirsuta Native BLHIH

  hairy pagoda-plant · Lamiaceae 2 counties
• 
  Boehmeria cylindrica (L.) Sw. Native BOCY

  smallspike false nettle · Urticaceae 8 counties
• 
  Bolboschoenus fluviatilis (Torr.) Soják Native BOFL3

  river bulrush · Cyperaceae 10 counties
• 
  Bolboschoenus maritimus (L.) Palla Native BOMA7

  cosmopolitan bulrush · Cyperaceae 1 county
• 
  Boltonia asteroides (L.) L'Hér. Native BOAS

  white doll's daisy · Asteraceae 11 counties
• 
  Boltonia asteroides (L.) L'Hér. var. latisquama (A. Gray) Cronquist Native BOASL

  white doll's daisy · Asteraceae 7 counties
• 
  Boltonia asteroides (L.) L'Hér. var. recognita (Fernald & Grisc.) Cronquist Native BOASR

  white doll's daisy · Asteraceae 5 counties
• 
  Borago officinalis L. Introduced BOOF

  common borage · Boraginaceae 1 county
• 
  Botrychium dissectum Spreng. Native BODI2

  cutleaf grapefern · Ophioglossaceae 7 counties
• 
  Botrychium multifidum (S.G. Gmel.) Trevis. Native BOMU

  leathery grapefern · Ophioglossaceae 2 counties
• 
  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae 51 counties
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae 49 counties
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae 49 counties
• 
  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae 5 counties
• 
  Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

  blue grama · Poaceae 15 counties
• 
  Bouteloua hirsuta Lag. Native BOHI2

  hairy grama · Poaceae 24 counties
• 
  Bouteloua hirsuta Lag. var. hirsuta Native BOHIH

  hairy grama · Poaceae 24 counties
• 
  Brachyelytrum erectum (Schreb. ex Spreng.) P. Beauv. Native BRER2

  bearded shorthusk · Poaceae 25 counties
• 
  Brasenia schreberi J.F. Gmel. Native BRSC

  watershield · Cabombaceae 1 county
• 
  Brassica juncea (L.) Czern. Introduced BRJU

  brown mustard · Brassicaceae 6 counties
• 
  Brassica napus L. Introduced BRNA

  rape · Brassicaceae 1 county
• 
  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae 20 counties
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae 1 county
• 
  Brassica rapa L. var. rapa Introduced BRRAR

  field mustard · Brassicaceae 1 county
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae 29 counties
• 
  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae 28 counties
• 
  Brickellia eupatorioides (L.) Shinners var. eupatorioides Native BREUE

  false boneset · Asteraceae 1 county
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae 41 counties
• 
  Bromus ciliatus L. Native BRCI2

  fringed brome · Poaceae 11 counties
• 
  Bromus ciliatus L. var. ciliatus Native BRCIC3

  fringed brome · Poaceae 11 counties
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae 40 counties
• 
  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae 40 counties
• 
  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae 40 counties
• 
  Bromus kalmii A. Gray Native BRKA2

  arctic brome · Poaceae 17 counties
• 
  Bromus latiglumis (Shear) Hitchc. Native BRLA4

  earlyleaf brome · Poaceae 37 counties
• 
  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae 57 counties
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae 5 counties