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 351–400 of 3,739.

• 
  Blutaparon vermiculare (L.) Mears Native BLVE

  silverhead · Amaranthaceae 4 counties
• 
  Blyxa aubertii Rich. Introduced BLAU

  roundfruit blyxa · Hydrocharitaceae 4 counties
• 
  Boehmeria cylindrica (L.) Sw. Native BOCY

  smallspike false nettle · Urticaceae 62 counties
• 
  Boehmeria nivea (L.) Gaudich. Introduced BONI2

  Chinese grass · Urticaceae 1 county
• 
  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 bladhii (Retz.) S.T. Blake Introduced BOBL

  Caucasian bluestem · Poaceae 4 counties
• 
  Bothriochloa exaristata (Nash) Henr. Native BOEX

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

  hybrid beardgrass · Poaceae 3 counties
• 
  Bothriochloa ischaemum (L.) Keng Introduced BOIS

  yellow bluestem · Poaceae 32 counties
• 
  Bothriochloa ischaemum (L.) Keng var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan Introduced BOISS

  yellow bluestem · Poaceae 32 counties
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae 27 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
• 
  Brachychiton populneum (Schott & Endl.) R. Br. Introduced BRPO6

  whiteflower kurrajong · Sterculiaceae 1 county
• 
  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
• 
  Brassica juncea (L.) Czern. Introduced BRJU

  brown mustard · Brassicaceae 31 counties
• 
  Brassica napus L. Introduced BRNA

  rape · Brassicaceae 11 counties
• 
  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae 16 counties
• 
  Brassica oleracea L. Introduced BROL

  cabbage · Brassicaceae 6 counties
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae 29 counties
• 
  Brassica rapa L. var. rapa Introduced BRRAR

  field mustard · Brassicaceae 29 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
• 
  Briza minor L. Introduced BRMI2

  little quakinggrass · Poaceae 56 counties
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae 45 counties
• 
  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae 64 counties
• 
  Bromus diandrus Roth Introduced BRDI3

  ripgut brome · Poaceae 3 counties
• 
  Bromus diandrus Roth ssp. rigidus (Roth) Lainz Introduced BRDIR

  ripgut brome · Poaceae 3 counties
• 
  Bromus hordeaceus L. Introduced BRHO2

  soft brome · Poaceae 3 counties