Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 401–450 of 562 (introduced).

• 
  Pueraria montana (Lour.) Merr. Introduced PUMO

  kudzu · Fabaceae 50 counties
• 
  Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S.M. Almeida ex Sanjappa & Predeep Introduced PUMOL

  kudzu · Fabaceae 50 counties
• 
  Punica granatum L. Introduced PUGR2

  pomegranate · Punicaceae 1 county
• 
  Pyracantha coccinea M. Roem. Introduced PYCO2

  scarlet firethorn · Rosaceae 2 counties
• 
  Pyracantha koidzumii (Hayata) Rehder Introduced PYKO

  Formosa firethorn · Rosaceae 1 county
• 
  Pyrus calleryana Decne. Introduced PYCA80

  Callery pear · Rosaceae 4 counties
• 
  Pyrus communis L. Introduced PYCO

  common pear · Rosaceae 18 counties
• 
  Quercus acutissima Carruthers Introduced QUAC80

  sawtooth oak · Fagaceae 1 county
• 
  Ranunculus arvensis L. Introduced RAAR3

  corn buttercup · Ranunculaceae 6 counties
• 
  Ranunculus bulbosus L. Introduced RABU

  St. Anthony's turnip · Ranunculaceae 30 counties
• 
  Ranunculus muricatus L. Introduced RAMU2

  spinyfruit buttercup · Ranunculaceae 5 counties
• 
  Ranunculus parviflorus L. Introduced RAPA3

  smallflower buttercup · Ranunculaceae 34 counties
• 
  Ranunculus repens L. Introduced RARE3

  creeping buttercup · Ranunculaceae 2 counties
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae 43 counties
• 
  Raphanus raphanistrum L. Introduced RARA2

  wild radish · Brassicaceae 1 county
• 
  Ricinus communis L. Introduced RICO3

  castorbean · Euphorbiaceae 1 county
• 
  Rorippa islandica (Oeder) Borbás Introduced ROIS2

  northern marsh yellowcress · Brassicaceae 1 county
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 1 county
• 
  Rosa bracteata J.C. Wendl. Introduced ROBR

  Macartney rose · Rosaceae 8 counties
• 
  Rosa chinensis Jacq. Introduced ROCH

  Chinese rose · Rosaceae 6 counties
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 33 counties
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae 7 counties
• 
  Rosa wichuraiana Crép. Introduced ROWI

  memorial rose · Rosaceae 8 counties
• ⚘
  Rosa ×borboniana N.H.F. Desp. (pro sp.) [chinensis × damascena] Introduced ROBO3

  Bourbon rose · Rosaceae 1 county
• 
  Rottboellia cochinchinensis (Lour.) W.D. Clayton Introduced ROCO6

  itchgrass · Poaceae 1 county
• 
  Rubus armeniacus Focke Introduced RUAR9

  Himalayan blackberry · Rosaceae 9 counties
• 
  Rubus bifrons Vest ex Tratt. Introduced RUBI

  Himalayan berry · Rosaceae 7 counties
• 
  Rubus idaeus L. ssp. idaeus Introduced RUIDI

  American red raspberry · Rosaceae 2 counties
• 
  Rubus phoenicolasius Maxim. Introduced RUPH

  wine raspberry · Rosaceae 5 counties
• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae 40 counties
• 
  Rumex conglomeratus Murray Introduced RUCO2

  clustered dock · Polygonaceae 7 counties
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae 52 counties
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae 52 counties
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae 24 counties
• 
  Rumex pulcher L. Introduced RUPU3

  fiddle dock · Polygonaceae 23 counties
• 
  Sagittaria montevidensis Cham. & Schltdl. Introduced SAMO

  giant arrowhead · Alismataceae 1 county
• ⚘
  Salix fragilis L. Introduced SAFR

  crack willow · Salicaceae 1 county
• ⚘
  Salix ×sepulcralis Simonkai [alba × babylonica] Introduced SASE10

  weeping willow · Salicaceae 2 counties
• 
  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae 1 county
• 
  Salvinia minima Baker Introduced SAMI7

  water spangles · Salviniaceae 3 counties
• 
  Saponaria officinalis L. Introduced SAOF4

  bouncingbet · Caryophyllaceae 36 counties
• 
  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae 40 counties
• 
  Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4

  meadow fescue · Poaceae 12 counties
• 
  Scleranthus annuus L. Introduced SCAN2

  German knotgrass · Caryophyllaceae 9 counties
• 
  Sclerochloa dura (L.) P. Beauv. Introduced SCDU2

  common hardgrass · Poaceae 1 county
• 
  Secale cereale L. Introduced SECE

  cereal rye · Poaceae 1 county
• 
  Securigera varia (L.) Lassen Introduced SEVA4

  crownvetch · Fabaceae 15 counties
• 
  Sedum sarmentosum Bunge Introduced SESA

  stringy stonecrop · Crassulaceae 6 counties
• 
  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae 3 counties
• 
  Senna alata (L.) Roxb. Introduced SEAL4

  emperor's candlesticks · Fabaceae 1 county