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 1,701–1,750 of 2,225.

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  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae 41 counties
• 
  Redfieldia flexuosa (Thurb.) Vasey Native REFL

  blowout grass · Poaceae 1 county
• 
  Reseda lutea L. Introduced RELU

  yellow mignonette · Resedaceae 1 county
• 
  Rhamnus cathartica L. Introduced RHCA3

  common buckthorn · Rhamnaceae 3 counties
• 
  Rhamnus lanceolata Pursh Native RHLA

  lanceleaf buckthorn · Rhamnaceae 16 counties
• 
  Rhamnus lanceolata Pursh ssp. glabrata (Gleason) Kartesz & Gandhi Native RHLAG2

  lanceleaf buckthorn · Rhamnaceae 14 counties
• 
  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae 4 counties
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  Rhus aromatica Aiton var. arenaria (Greene) Fernald Native RHARA

  fragrant sumac · Anacardiaceae 2 counties
• 
  Rhus aromatica Aiton var. aromatica Native RHARA2

  fragrant sumac · Anacardiaceae 1 county
• 
  Rhus aromatica Aiton var. serotina (Greene) Rehder Native RHARS

  fragrant sumac · Anacardiaceae 1 county
• 
  Rhus copallinum L. Native RHCO

  winged sumac · Anacardiaceae 1 county
• 
  Rhus copallinum L. var. latifolia Engl. Native RHCOL2

  winged sumac · Anacardiaceae 1 county
• 
  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae 17 counties
• 
  Rhus typhina L. Native RHTY

  staghorn sumac · Anacardiaceae 2 counties
• 
  Rhynchospora capillacea Torr. Native RHCA11

  needle beaksedge · Cyperaceae 1 county
• 
  Ribes americanum Mill. Native RIAM2

  American black currant · Grossulariaceae 10 counties
• 
  Ribes aureum Pursh Native RIAU

  golden currant · Grossulariaceae 5 counties
• 
  Ribes aureum Pursh var. villosum DC. Native RIAUV

  golden currant · Grossulariaceae 5 counties
• 
  Ribes cynosbati L. Native RICY

  eastern prickly gooseberry · Grossulariaceae 3 counties
• 
  Ribes missouriense Nutt. Native RIMI

  Missouri gooseberry · Grossulariaceae 26 counties
• 
  Ribes oxyacanthoides L. Native RIOX

  Canadian gooseberry · Grossulariaceae 1 county
• 
  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
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 2 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 multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 4 counties
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae 1 county
• 
  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