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 451–500 of 2,679 (native).

• 
  Carya myristiciformis (Michx. f.) Nutt. Native CAMY

  nutmeg hickory · Juglandaceae 18 counties
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  Carya ovalis (Wangenh.) Sarg. Native CAOV3

  red hickory · Juglandaceae 26 counties
• 
  Carya ovata (Mill.) K. Koch Native CAOV2

  shagbark hickory · Juglandaceae 71 counties
• 
  Carya pallida (Ashe) Engl. & Graebn. Native CAPA24

  sand hickory · Juglandaceae 1 county
• 
  Carya texana Buckley Native CATE9

  black hickory · Juglandaceae 66 counties
• 
  Carya tomentosa (Lam.) Nutt. Native CATO6

  mockernut hickory · Juglandaceae 74 counties
• ⚘
  Carya ×brownii Sarg. [cordiformis × illinoinensis] Native CABR16

  hybrid hickory · Juglandaceae 1 county
• 
  Castanea pumila (L.) Mill. Native CAPU9

  chinquapin · Fagaceae 53 counties
• 
  Castanea pumila (L.) Mill. var. ozarkensis (Ashe) Tucker Native CAPUO

  Ozark chinquapin · Fagaceae 35 counties
• 
  Castanea pumila (L.) Mill. var. pumila Native CAPUP3

  chinquapin · Fagaceae 30 counties
• 
  Castilleja coccinea (L.) Spreng. Native CACO17

  scarlet Indian paintbrush · Scrophulariaceae 18 counties
• 
  Castilleja indivisa Engelm. Native CAIN13

  entireleaf Indian paintbrush · Scrophulariaceae 1 county
• 
  Catalpa bignonioides Walter Native CABI8

  southern catalpa · Bignoniaceae 21 counties
• 
  Catalpa speciosa (Warder) Warder ex Engelm. Native CASP8

  northern catalpa · Bignoniaceae 8 counties
• 
  Caulophyllum thalictroides (L.) Michx. Native CATH2

  blue cohosh · Berberidaceae 4 counties
• 
  Cayaponia quinqueloba (Raf.) Shinners Native CAQU3

  fivelobe cucumber · Cucurbitaceae 9 counties
• 
  Ceanothus americanus L. Native CEAM

  New Jersey tea · Rhamnaceae 63 counties
• 
  Ceanothus herbaceus Raf. Native CEHE

  Jersey tea · Rhamnaceae 14 counties
• 
  Celastrus scandens L. Native CESC

  American bittersweet · Celastraceae 10 counties
• 
  Celtis laevigata Willd. Native CELA

  sugarberry · Ulmaceae 74 counties
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  Celtis laevigata Willd. var. laevigata Native CELAL

  sugarberry · Ulmaceae 2 counties
• 
  Celtis laevigata Willd. var. reticulata (Torr.) L.D. Benson Native CELAR

  netleaf hackberry · Ulmaceae 1 county
• 
  Celtis occidentalis L. Native CEOC

  common hackberry · Ulmaceae 35 counties
• ⚘
  Celtis pumila Pursh Native CEPU10

  dwarf hackberry · Ulmaceae 44 counties
• 
  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae 18 counties
• 
  Cenchrus spinifex Cav. Native CESP4

  coastal sandbur · Poaceae 25 counties
• 
  Centaurea americana Nutt. Native CEAM2

  American star-thistle · Asteraceae 11 counties
• 
  Centaurium texense (Griseb.) Fernald Native CETE2

  Lady Bird's centaury · Gentianaceae 3 counties
• 
  Centrosema virginianum (L.) Benth. Native CEVI2

  spurred butterfly pea · Fabaceae 19 counties
• 
  Cephalanthus occidentalis L. Native CEOC2

  common buttonbush · Rubiaceae 75 counties
• 
  Cerastium arvense L. ssp. strictum (L.) Ugborogho Native CEARS2

  field chickweed · Caryophyllaceae 1 county
• 
  Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob. Native CEBR3

  shortstalk chickweed · Caryophyllaceae 15 counties
• 
  Cerastium nutans Raf. Native CENU2

  nodding chickweed · Caryophyllaceae 9 counties
• 
  Cerastium nutans Raf. var. nutans Native CENUN

  nodding chickweed · Caryophyllaceae 9 counties
• 
  Ceratophyllum demersum L. Native CEDE4

  coon's tail · Ceratophyllaceae 21 counties
• 
  Ceratophyllum echinatum A. Gray Native CEEC2

  spineless hornwort · Ceratophyllaceae 2 counties
• 
  Cercis canadensis L. Native CECA4

  eastern redbud · Fabaceae 75 counties
• 
  Cercis canadensis L. var. canadensis Native CECAC

  eastern redbud · Fabaceae 75 counties
• 
  Chaerophyllum procumbens (L.) Crantz Native CHPR

  spreading chervil · Apiaceae 13 counties
• 
  Chaerophyllum procumbens (L.) Crantz var. procumbens Native CHPRP

  spreading chervil · Apiaceae 13 counties
• 
  Chaerophyllum procumbens (L.) Crantz var. shortii Torr. & A. Gray Native CHPRS

  Short's spreading chervil · Apiaceae 1 county
• 
  Chaerophyllum tainturieri Hook. Native CHTA

  hairyfruit chervil · Apiaceae 61 counties
• 
  Chaerophyllum tainturieri Hook. var. dasycarpum Hook. ex S. Watson Native CHTAD

  hairyfruit chervil · Apiaceae 1 county
• 
  Chaerophyllum tainturieri Hook. var. tainturieri Native CHTAT

  hairyfruit chervil · Apiaceae 59 counties
• 
  Chaetopappa asteroides Nutt. ex DC. Native CHAS

  Arkansas leastdaisy · Asteraceae 5 counties
• 
  Chaetopappa asteroides Nutt. ex DC. var. asteroides Native CHASA

  Arkansas leastdaisy · Asteraceae 5 counties
• 
  Chamaecrista fasciculata (Michx.) Greene Native CHFA2

  partridge pea · Fabaceae 70 counties
• 
  Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAF

  partridge pea · Fabaceae 70 counties
• 
  Chamaecrista nictitans (L.) Moench Native CHNI2

  sensitive partridge pea · Fabaceae 54 counties
• 
  Chamaecrista nictitans (L.) Moench ssp. nictitans Native CHNIN

  sensitive partridge pea · Fabaceae 54 counties