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 201–250 of 2,225.

• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae 18 counties
• 
  Asimina triloba (L.) Dunal Native ASTR

  pawpaw · Annonaceae 4 counties
• 
  Asparagus officinalis L. Introduced ASOF

  garden asparagus · Liliaceae 18 counties
• 
  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Native ASPL

  ebony spleenwort · Aspleniaceae 10 counties
• 
  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. var. platyneuron Native ASPLP

  ebony spleenwort · Aspleniaceae 10 counties
• 
  Asplenium rhizophyllum L. Native ASRH2

  walking fern · Aspleniaceae 27 counties
• 
  Astragalus agrestis Douglas ex G. Don Native ASAG2

  purple milkvetch · Fabaceae 3 counties
• 
  Astragalus canadensis L. Native ASCA11

  Canadian milkvetch · Fabaceae 30 counties
• 
  Astragalus canadensis L. var. canadensis Native ASCAC6

  Canadian milkvetch · Fabaceae 30 counties
• 
  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae 17 counties
• 
  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae 17 counties
• 
  Astragalus distortus Torr. & A. Gray Native ASDI4

  Ozark milkvetch · Fabaceae 3 counties
• 
  Astragalus distortus Torr. & A. Gray var. distortus Native ASDID3

  Ozark milkvetch · Fabaceae 3 counties
• 
  Astragalus laxmannii Jacq. Native ASLA27

  Laxmann's milkvetch · Fabaceae 2 counties
• 
  Astragalus laxmannii Jacq. var. robustior (Hook.) Barneby & S.L. Welsh Native ASLAR

  prairie milkvetch · Fabaceae 2 counties
• 
  Astragalus lotiflorus Hook. Native ASLO4

  lotus milkvetch · Fabaceae 9 counties
• 
  Astragalus missouriensis Nutt. Native ASMI10

  Missouri milkvetch · Fabaceae 3 counties
• 
  Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5

  Missouri milkvetch · Fabaceae 3 counties
• 
  Athyrium filix-femina (L.) Roth Native ATFI

  common ladyfern · Dryopteridaceae 58 counties
• 
  Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen Native ATFIA

  subarctic ladyfern · Dryopteridaceae 58 counties
• 
  Atriplex argentea Nutt. Native ATAR2

  silverscale saltbush · Chenopodiaceae 1 county
• 
  Atriplex argentea Nutt. ssp. argentea Native ATARA

  silverscale saltbush · Chenopodiaceae 1 county
• 
  Atriplex argentea Nutt. ssp. argentea var. argentea Native ATARA2

  silverscale saltbush · Chenopodiaceae 1 county
• 
  Atriplex patula L. Introduced ATPA4

  spear saltbush · Chenopodiaceae 5 counties
• 
  Atriplex rosea L. Introduced ATRO

  tumbling saltweed · Chenopodiaceae 1 county
• 
  Aureolaria flava (L.) Farw. Native AUFL

  smooth yellow false foxglove · Scrophulariaceae 1 county
• 
  Aureolaria flava (L.) Farw. var. flava Native AUFLF

  smooth yellow false foxglove · Scrophulariaceae 1 county
• 
  Aureolaria grandiflora (Benth.) Pennell Native AUGR

  largeflower yellow false foxglove · Scrophulariaceae 2 counties
• 
  Aureolaria grandiflora (Benth.) Pennell var. pulchra Pennell Native AUGRP

  largeflower yellow false foxglove · Scrophulariaceae 2 counties
• 
  Avena fatua L. Introduced AVFA

  wild oat · Poaceae 7 counties
• 
  Avena sativa L. Introduced AVSA

  common oat · Poaceae 4 counties
• 
  Azolla caroliniana Willd. Native AZCA

  Carolina mosquitofern · Azollaceae 1 county
• 
  Azolla microphylla Kaulf. Native AZMI

  Mexican Mosquito Fern · Azollaceae 12 counties
• 
  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae 4 counties
• 
  Baptisia alba (L.) Vent. Native BAAL

  white wild indigo · Fabaceae 25 counties
• 
  Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely Native BAALM

  largeleaf wild indigo · Fabaceae 25 counties
• 
  Baptisia australis (L.) R. Br. Native BAAU

  blue wild indigo · Fabaceae 1 county
• 
  Baptisia australis (L.) R. Br. var. minor (Lehm.) Fernald Native BAAUM

  blue wild indigo · Fabaceae 1 county
• 
  Baptisia bracteata Muhl. ex Elliott Native BABR2

  longbract wild indigo · Fabaceae 17 counties
• 
  Baptisia bracteata Muhl. ex Elliott var. leucophaea (Nutt.) Kartesz & Gandhi Native BABRL2

  longbract wild indigo · Fabaceae 17 counties
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae 8 counties
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae 14 counties
• 
  Beckmannia syzigachne (Steud.) Fernald Native BESY

  American sloughgrass · Poaceae 8 counties
• 
  Belamcanda chinensis (L.) DC. Introduced BECH

  blackberry lily · Iridaceae 7 counties
• 
  Berberis thunbergii DC. Introduced BETH

  Japanese barberry · Berberidaceae 2 counties
• 
  Berberis vulgaris L. Introduced BEVU

  common barberry · Berberidaceae 1 county
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae 10 counties
• 
  Berula erecta (Huds.) Coville Native BEER

  cutleaf waterparsnip · Apiaceae 3 counties
• 
  Besseya bullii (Eaton) Rydb. Native BEBU

  Bull's coraldrops · Scrophulariaceae 2 counties
• 
  Betula nigra L. Native BENI

  river birch · Betulaceae 7 counties