Louisiana

• Acadia 22001
  964 taxa Open ↗
• Allen 22003
  1,426 taxa Open ↗
• Ascension 22005
  551 taxa Open ↗
• Assumption 22007
  456 taxa Open ↗
• Avoyelles 22009
  803 taxa Open ↗
• Beauregard 22011
  1,018 taxa Open ↗
• Bienville 22013
  1,400 taxa Open ↗
• Bossier 22015
  1,395 taxa Open ↗
• Caddo 22017
  1,796 taxa Open ↗
• Calcasieu 22019
  1,531 taxa Open ↗

Showing 451–500 of 2,926 (native).

• 
  Carex vulpinoidea Michx. var. vulpinoidea Native CAVUV

  fox sedge · Cyperaceae 36 counties
• 
  Carphephorus odoratissimus (J.F. Gmel.) Herb. Native CAOD3

  vanillaleaf · Asteraceae 4 counties
• 
  Carphephorus pseudoliatris Cass. Native CAPS5

  bristleleaf chaffhead · Asteraceae 1 county
• 
  Carpinus caroliniana Walter Native CACA18

  American hornbeam · Betulaceae 48 counties
• 
  Carpinus caroliniana Walter ssp. caroliniana Native CACAC2

  American hornbeam · Betulaceae 48 counties
• 
  Carya aquatica (Michx. f.) Nutt. Native CAAQ2

  water hickory · Juglandaceae 54 counties
• 
  Carya cordiformis (Wangenh.) K. Koch Native CACO15

  bitternut hickory · Juglandaceae 36 counties
• 
  Carya glabra (Mill.) Sweet Native CAGL8

  pignut hickory · Juglandaceae 40 counties
• 
  Carya illinoinensis (Wangenh.) K. Koch Native CAIL2

  pecan · Juglandaceae 55 counties
• 
  Carya laciniosa (Michx. f.) G. Don Native CALA21

  shellbark hickory · Juglandaceae 2 counties
• 
  Carya myristiciformis (Michx. f.) Nutt. Native CAMY

  nutmeg hickory · Juglandaceae 13 counties
• 
  Carya ovalis (Wangenh.) Sarg. Native CAOV3

  red hickory · Juglandaceae 10 counties
• 
  Carya ovata (Mill.) K. Koch Native CAOV2

  shagbark hickory · Juglandaceae 33 counties
• 
  Carya pallida (Ashe) Engl. & Graebn. Native CAPA24

  sand hickory · Juglandaceae 3 counties
• 
  Carya texana Buckley Native CATE9

  black hickory · Juglandaceae 33 counties
• 
  Carya tomentosa (Lam.) Nutt. Native CATO6

  mockernut hickory · Juglandaceae 37 counties
• ⚘
  Carya ×brownii Sarg. [cordiformis × illinoinensis] Native CABR16

  hybrid hickory · Juglandaceae 1 county
• ⚘
  Carya ×lecontei Little [aquatica × illinoinensis] Native CALE13

  Leconte hickory · Juglandaceae 5 counties
• 
  Castanea dentata (Marshall) Borkh. Native CADE12

  American chestnut · Fagaceae 2 counties
• 
  Castanea pumila (L.) Mill. Native CAPU9

  chinquapin · Fagaceae 37 counties
• 
  Castanea pumila (L.) Mill. var. ozarkensis (Ashe) Tucker Native CAPUO

  Ozark chinquapin · Fagaceae 2 counties
• 
  Castanea pumila (L.) Mill. var. pumila Native CAPUP3

  chinquapin · Fagaceae 37 counties
• 
  Castilleja coccinea (L.) Spreng. Native CACO17

  scarlet Indian paintbrush · Scrophulariaceae 3 counties
• 
  Castilleja indivisa Engelm. Native CAIN13

  entireleaf Indian paintbrush · Scrophulariaceae 11 counties
• 
  Catalpa bignonioides Walter Native CABI8

  southern catalpa · Bignoniaceae 52 counties
• 
  Catalpa speciosa (Warder) Warder ex Engelm. Native CASP8

  northern catalpa · Bignoniaceae 13 counties
• 
  Cayaponia quinqueloba (Raf.) Shinners Native CAQU3

  fivelobe cucumber · Cucurbitaceae 32 counties
• 
  Ceanothus americanus L. Native CEAM

  New Jersey tea · Rhamnaceae 34 counties
• 
  Ceanothus herbaceus Raf. Native CEHE

  Jersey tea · Rhamnaceae 3 counties
• 
  Celastrus scandens L. Native CESC

  American bittersweet · Celastraceae 7 counties
• 
  Celtis laevigata Willd. Native CELA

  sugarberry · Ulmaceae 61 counties
• 
  Celtis laevigata Willd. var. laevigata Native CELAL

  sugarberry · Ulmaceae 60 counties
• 
  Celtis laevigata Willd. var. reticulata (Torr.) L.D. Benson Native CELAR

  netleaf hackberry · Ulmaceae 10 counties
• ⚘
  Celtis pumila Pursh Native CEPU10

  dwarf hackberry · Ulmaceae 16 counties
• 
  Cenchrus echinatus L. Native CEEC

  southern sandbur · Poaceae 23 counties
• 
  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae 1 county
• 
  Cenchrus myosuroides Kunth Native CEMY

  big sandbur · Poaceae 3 counties
• 
  Cenchrus spinifex Cav. Native CESP4

  coastal sandbur · Poaceae 41 counties
• 
  Cenchrus tribuloides L. Native CETR

  sanddune sandbur · Poaceae 4 counties
• 
  Centella erecta (L. f.) Fernald Native CEER2

  erect centella · Apiaceae 25 counties
• 
  Centrosema virginianum (L.) Benth. Native CEVI2

  spurred butterfly pea · Fabaceae 49 counties
• 
  Cephalanthus occidentalis L. Native CEOC2

  common buttonbush · Rubiaceae 63 counties
• 
  Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob. Native CEBR3

  shortstalk chickweed · Caryophyllaceae 4 counties
• 
  Ceratophyllum demersum L. Native CEDE4

  coon's tail · Ceratophyllaceae 54 counties
• 
  Ceratophyllum echinatum A. Gray Native CEEC2

  spineless hornwort · Ceratophyllaceae 13 counties
• 
  Ceratopteris pteridoides (Hook.) Hieron. Native CEPT

  floating antlerfern · Parkeriaceae 5 counties
• 
  Ceratopteris richardii Brongn. Native CERI2

  triangle waterfern · Parkeriaceae 3 counties
• 
  Ceratopteris thalictroides (L.) Brongn. Native CETH2

  watersprite · Parkeriaceae 4 counties
• 
  Cercis canadensis L. Native CECA4

  eastern redbud · Fabaceae 50 counties
• 
  Cercis canadensis L. var. canadensis Native CECAC

  eastern redbud · Fabaceae 50 counties