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 251–300 of 2,926 (native).

• 
  Bergia texana (Hook.) Seub. ex Walp. Native BETE

  Texas bergia · Elatinaceae 6 counties
• 
  Berlandiera betonicifolia (Hook.) Small Native BEBE4

  Texas greeneyes · Asteraceae 6 counties
• 
  Berlandiera pumila (Michx.) Nutt. Native BEPU2

  soft greeneyes · Asteraceae 6 counties
• 
  Berlandiera pumila (Michx.) Nutt. var. scabrella G.L. Nesom & B.L. Turner Native BEPUS

  soft greeneyes · Asteraceae 1 county
• 
  Betula nigra L. Native BENI

  river birch · Betulaceae 32 counties
• 
  Bidens aristosa (Michx.) Britton Native BIAR

  bearded beggarticks · Asteraceae 35 counties
• 
  Bidens bipinnata L. Native BIBI7

  Spanish needles · Asteraceae 49 counties
• 
  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae 10 counties
• 
  Bidens discoidea (Torr. & A. Gray) Britton Native BIDI

  small beggarticks · Asteraceae 36 counties
• 
  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae 34 counties
• 
  Bidens laevis (L.) Britton, Sterns & Poggenb. Native BILA

  smooth beggartick · Asteraceae 26 counties
• 
  Bidens mitis (Michx.) Sherff Native BIMI

  smallfruit beggarticks · Asteraceae 12 counties
• 
  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae 3 counties
• 
  Bigelowia nudata (Michx.) DC. Native BINU

  pineland rayless goldenrod · Asteraceae 5 counties
• 
  Bigelowia nudata (Michx.) DC. ssp. nudata Native BINUN

  pineland rayless goldenrod · Asteraceae 5 counties
• 
  Bigelowia nuttallii L.C. Anderson Native BINU2

  Nuttall's rayless goldenrod · Asteraceae 14 counties
• 
  Bignonia capreolata L. Native BICA

  crossvine · Bignoniaceae 57 counties
• 
  Blechnum occidentale L. Native BLOC

  hammock fern · Blechnaceae 1 county
• 
  Blutaparon vermiculare (L.) Mears Native BLVE

  silverhead · Amaranthaceae 4 counties
• 
  Boehmeria cylindrica (L.) Sw. Native BOCY

  smallspike false nettle · Urticaceae 62 counties
• 
  Boerhavia diffusa L. Native BODI3

  red spiderling · Nyctaginaceae 11 counties
• 
  Boerhavia erecta L. Native BOER

  erect spiderling · Nyctaginaceae 40 counties
• 
  Bolboschoenus robustus (Pursh) Soják Native BORO5

  sturdy bulrush · Cyperaceae 14 counties
• 
  Boltonia asteroides (L.) L'Hér. Native BOAS

  white doll's daisy · Asteraceae 35 counties
• 
  Boltonia asteroides (L.) L'Hér. var. asteroides Native BOASA

  white doll's daisy · Asteraceae 35 counties
• 
  Boltonia diffusa Elliott Native BODI

  smallhead doll's daisy · Asteraceae 46 counties
• 
  Boltonia diffusa Elliott var. diffusa Native BODID

  smallhead doll's daisy · Asteraceae 46 counties
• 
  Borrichia frutescens (L.) DC. Native BOFR

  bushy seaside tansy · Asteraceae 11 counties
• 
  Bothriochloa exaristata (Nash) Henr. Native BOEX

  awnless beardgrass · Poaceae 6 counties
• 
  Bothriochloa hybrida (Gould) Gould Native BOHY

  hybrid beardgrass · Poaceae 3 counties
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae 27 counties
• 
  Bothriochloa longipaniculata (Gould) Allred & Gould Native BOLO

  longspike beardgrass · Poaceae 21 counties
• 
  Bothriochloa springfieldii (Gould) Parodi Native BOSP3

  Springfield's beardgrass · Poaceae 1 county
• 
  Botrychium biternatum (Sav.) Underw. Native BOBI

  sparselobe grapefern · Ophioglossaceae 47 counties
• 
  Botrychium dissectum Spreng. Native BODI2

  cutleaf grapefern · Ophioglossaceae 17 counties
• 
  Botrychium jenmanii Underw. Native BOJE

  Dixie grapefern · Ophioglossaceae 1 county
• 
  Botrychium lunarioides (Michx.) Sw. Native BOLU2

  winter grapefern · Ophioglossaceae 12 counties
• 
  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae 37 counties
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae 5 counties
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae 5 counties
• 
  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae 3 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 19 counties
• 
  Brachyelytrum erectum (Schreb. ex Spreng.) P. Beauv. Native BRER2

  bearded shorthusk · Poaceae 16 counties
• 
  Brasenia schreberi J.F. Gmel. Native BRSC

  watershield · Cabombaceae 22 counties
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae 18 counties
• 
  Brickellia eupatorioides (L.) Shinners var. eupatorioides Native BREUE

  false boneset · Asteraceae 18 counties
• 
  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae 12 counties