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 1,451–1,500 of 1,852 (native).

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  Ribes oxyacanthoides L. ssp. oxyacanthoides Native RIOXO

  Canadian gooseberry · Grossulariaceae 1 county
• 
  Robinia pseudoacacia L. Native ROPS

  black locust · Fabaceae 10 counties
• 
  Rorippa curvipes Greene Native ROCU2

  bluntleaf yellowcress · Brassicaceae 1 county
• 
  Rorippa curvipes Greene var. truncata (Jeps.) Rollins Native ROCUT

  bluntleaf yellowcress · Brassicaceae 1 county
• 
  Rorippa palustris (L.) Besser Native ROPA2

  bog yellowcress · Brassicaceae 39 counties
• 
  Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell Native ROPAF2

  Fernald's yellowcress · Brassicaceae 37 counties
• 
  Rorippa palustris (L.) Besser ssp. hispida (Desv.) Jonsell Native ROPAH

  hispid yellowcress · Brassicaceae 7 counties
• 
  Rorippa sessiliflora (Nutt.) Hitchc. Native ROSE

  stalkless yellowcress · Brassicaceae 21 counties
• 
  Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae 11 counties
• 
  Rosa acicularis Lindl. Native ROAC

  prickly rose · Rosaceae 1 county
• 
  Rosa acicularis Lindl. ssp. sayi (Schwein.) W.H. Lewis Native ROACS

  prickly rose · Rosaceae 1 county
• 
  Rosa arkansana Porter Native ROAR3

  prairie rose · Rosaceae 27 counties
• 
  Rosa arkansana Porter var. suffulta (Greene) Cockerell Native ROARS

  prairie rose · Rosaceae 25 counties
• 
  Rosa blanda Aiton Native ROBL

  smooth rose · Rosaceae 21 counties
• 
  Rosa blanda Aiton var. blanda Native ROBLB

  smooth rose · Rosaceae 21 counties
• 
  Rosa carolina L. Native ROCA4

  Carolina rose · Rosaceae 5 counties
• 
  Rosa carolina L. var. carolina Native ROCAC

  Carolina rose · Rosaceae 5 counties
• 
  Rosa setigera Michx. Native ROSE2

  climbing rose · Rosaceae 3 counties
• 
  Rosa setigera Michx. var. tomentosa Torr. & A. Gray Native ROSET

  climbing rose · Rosaceae 3 counties
• 
  Rosa woodsii Lindl. Native ROWO

  Woods' rose · Rosaceae 2 counties
• 
  Rosa woodsii Lindl. var. woodsii Native ROWOW

  Woods' rose · Rosaceae 2 counties
• 
  Rotala ramosior (L.) Koehne Native RORA

  lowland rotala · Lythraceae 2 counties
• 
  Rubus allegheniensis Porter Native RUAL

  Allegheny blackberry · Rosaceae 8 counties
• 
  Rubus allegheniensis Porter var. allegheniensis Native RUALA

  Allegheny blackberry · Rosaceae 8 counties
• 
  Rubus flagellaris Willd. Native RUFL

  northern dewberry · Rosaceae 6 counties
• 
  Rubus frondosus Bigelow Native RUFR4

  yankee blackberry · Rosaceae 2 counties
• 
  Rubus idaeus L. ssp. strigosus (Michx.) Focke Native RUIDS2

  grayleaf red raspberry · Rosaceae 8 counties
• 
  Rubus laudatus A. Berger Native RULA6

  plains blackberry · Rosaceae 1 county
• 
  Rubus occidentalis L. Native RUOC

  black raspberry · Rosaceae 23 counties
• 
  Rubus odoratus L. Native RUOD

  purpleflowering raspberry · Rosaceae 1 county
• 
  Rubus odoratus L. var. odoratus Native RUODO

  purpleflowering raspberry · Rosaceae 1 county
• 
  Rubus pensilvanicus Poir. Native RUPE3

  Pennsylvania blackberry · Rosaceae 2 counties
• 
  Rubus rosa L.H. Bailey Native RURO3

  rose blackberry · Rosaceae 1 county
• 
  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae 23 counties
• 
  Rudbeckia hirta L. var. pulcherrima Farw. Native RUHIP

  blackeyed Susan · Asteraceae 21 counties
• 
  Rudbeckia laciniata L. Native RULA3

  cutleaf coneflower · Asteraceae 18 counties
• 
  Rudbeckia laciniata L. var. laciniata Native RULAL

  cutleaf coneflower · Asteraceae 18 counties
• 
  Rudbeckia subtomentosa Pursh Native RUSU

  sweet coneflower · Asteraceae 10 counties
• 
  Rudbeckia triloba L. Native RUTR2

  browneyed Susan · Asteraceae 11 counties
• 
  Rudbeckia triloba L. var. triloba Native RUTRT

  browneyed Susan · Asteraceae 11 counties
• 
  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae 14 counties
• 
  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae 3 counties
• 
  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae 29 counties
• 
  Rumex maritimus L. Native RUMA4

  golden dock · Polygonaceae 10 counties
• 
  Rumex orbiculatus A. Gray Native RUOR2

  greater water dock · Polygonaceae 4 counties
• 
  Rumex salicifolius Weinm. Native RUSA

  willow dock · Polygonaceae 6 counties
• 
  Rumex salicifolius Weinm. var. mexicanus (Meisn.) C.L. Hitchc. Native RUSAM

  Mexican dock · Polygonaceae 6 counties
• 
  Rumex verticillatus L. Native RUVE3

  swamp dock · Polygonaceae 5 counties
• 
  Sabatia angularis (L.) Pursh Native SAAN

  rosepink · Gentianaceae 1 county
• 
  Sagittaria brevirostra Mack. & Bush Native SABR8

  shortbeak arrowhead · Alismataceae 21 counties