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 251–300 of 2,679 (native).

• 
  Bidens discoidea (Torr. & A. Gray) Britton Native BIDI

  small beggarticks · Asteraceae 21 counties
• 
  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae 31 counties
• 
  Bidens laevis (L.) Britton, Sterns & Poggenb. Native BILA

  smooth beggartick · Asteraceae 4 counties
• 
  Bidens mitis (Michx.) Sherff Native BIMI

  smallfruit beggarticks · Asteraceae 1 county
• 
  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae 5 counties
• ⚘
  Bifora americana Benth. & Hook. f. ex S. Watson Native BIAM2

  prairie bishop · Apiaceae 3 counties
• 
  Bignonia capreolata L. Native BICA

  crossvine · Bignoniaceae 53 counties
• 
  Blephilia ciliata (L.) Benth. Native BLCI

  downy pagoda-plant · Lamiaceae 23 counties
• 
  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 58 counties
• 
  Boerhavia erecta L. Native BOER

  erect spiderling · Nyctaginaceae 12 counties
• 
  Bolboschoenus robustus (Pursh) Soják Native BORO5

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

  white doll's daisy · Asteraceae 16 counties
• 
  Boltonia asteroides (L.) L'Hér. var. asteroides Native BOASA

  white doll's daisy · Asteraceae 1 county
• 
  Boltonia asteroides (L.) L'Hér. var. latisquama (A. Gray) Cronquist Native BOASL

  white doll's daisy · Asteraceae 1 county
• 
  Boltonia diffusa Elliott Native BODI

  smallhead doll's daisy · Asteraceae 34 counties
• 
  Boltonia diffusa Elliott var. diffusa Native BODID

  smallhead doll's daisy · Asteraceae 1 county
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae 22 counties
• 
  Botrychium biternatum (Sav.) Underw. Native BOBI

  sparselobe grapefern · Ophioglossaceae 54 counties
• 
  Botrychium dissectum Spreng. Native BODI2

  cutleaf grapefern · Ophioglossaceae 26 counties
• 
  Botrychium lunarioides (Michx.) Sw. Native BOLU2

  winter grapefern · Ophioglossaceae 4 counties
• 
  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae 69 counties
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae 17 counties
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae 17 counties
• 
  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae 2 counties
• 
  Bouteloua hirsuta Lag. Native BOHI2

  hairy grama · Poaceae 1 county
• 
  Bouteloua hirsuta Lag. var. hirsuta Native BOHIH

  hairy grama · Poaceae 1 county
• 
  Bouteloua rigidiseta (Steud.) Hitchc. Native BORI

  Texas grama · Poaceae 1 county
• 
  Bowlesia incana Ruiz & Pav. Native BOIN3

  hoary bowlesia · Apiaceae 1 county
• 
  Brachyelytrum erectum (Schreb. ex Spreng.) P. Beauv. Native BRER2

  bearded shorthusk · Poaceae 23 counties
• 
  Brasenia schreberi J.F. Gmel. Native BRSC

  watershield · Cabombaceae 15 counties
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae 30 counties
• 
  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae 2 counties
• 
  Brickellia eupatorioides (L.) Shinners var. eupatorioides Native BREUE

  false boneset · Asteraceae 1 county
• 
  Brickellia grandiflora (Hook.) Nutt. Native BRGR

  tasselflower brickellbush · Asteraceae 5 counties
• 
  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae 23 counties
• 
  Brunnichia ovata (Walter) Shinners Native BROV4

  American buckwheat vine · Polygonaceae 58 counties
• 
  Buchnera americana L. Native BUAM

  American bluehearts · Scrophulariaceae 9 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke Native BUCA2

  densetuft hairsedge · Cyperaceae 21 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke ssp. capillaris Native BUCAC

  densetuft hairsedge · Cyperaceae 21 counties
• 
  Cabomba caroliniana A. Gray Native CACA

  Carolina fanwort · Cabombaceae 11 counties
• 
  Cabomba caroliniana A. Gray var. caroliniana Native CACAC4

  Carolina fanwort · Cabombaceae 11 counties
• 
  Calamagrostis porteri A. Gray Native CAPO3

  Porter's reedgrass · Poaceae 1 county
• 
  Calamagrostis porteri A. Gray ssp. insperata (Swallen) C.W. Greene Native CAPOI

  Porter's reedgrass · Poaceae 1 county
• 
  Calandrinia ciliata (Ruiz & Pav.) DC. Native CACI2

  fringed redmaids · Portulacaceae 1 county
• 
  Callicarpa americana L. Native CAAM2

  American beautyberry · Verbenaceae 55 counties
• 
  Callirhoe alcaeoides (Michx.) A. Gray Native CAAL

  light poppymallow · Malvaceae 3 counties
• 
  Callirhoe bushii Fernald Native CABU8

  Bush's poppymallow · Malvaceae 9 counties
• 
  Callirhoe digitata Nutt. Native CADI2

  winecup · Malvaceae 9 counties