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 2,001–2,050 of 2,926 (native).

• 
  Polygala nana (Michx.) DC. Native PONA2

  candyroot · Polygalaceae 28 counties
• 
  Polygala polygama Walter Native POPO

  racemed milkwort · Polygalaceae 20 counties
• 
  Polygala ramosa Elliott Native PORA2

  low pinebarren milkwort · Polygalaceae 12 counties
• 
  Polygala sanguinea L. Native POSA3

  purple milkwort · Polygalaceae 19 counties
• 
  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae 33 counties
• 
  Polygala verticillata L. var. verticillata Native POVEV

  whorled milkwort · Polygalaceae 33 counties
• 
  Polygonatum biflorum (Walter) Elliott Native POBI2

  smooth Solomon's seal · Liliaceae 24 counties
• 
  Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBIC

  smooth Solomon's seal · Liliaceae 24 counties
• 
  Polygonella americana (Fisch. & C.A. Mey.) Small Native POAM3

  southern jointweed · Polygonaceae 5 counties
• 
  Polygonella polygama (Vent.) Engelm. & A. Gray Native POPO2

  October flower · Polygonaceae 1 county
• 
  Polygonum amphibium L. Native POAM8

  water knotweed · Polygonaceae 2 counties
• 
  Polygonum amphibium L. var. emersum Michx. Native POAME

  longroot smartweed · Polygonaceae 2 counties
• 
  Polygonum arifolium L. Native POAR6

  halberdleaf tearthumb · Polygonaceae 1 county
• 
  Polygonum erectum L. Native POER2

  erect knotweed · Polygonaceae 13 counties
• 
  Polygonum glabrum Willd. Native POGL10

  denseflower knotweed · Polygonaceae 25 counties
• 
  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae 61 counties
• 
  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae 38 counties
• 
  Polygonum meisnerianum Cham. & Schltdl. Native POME4

  branched tearthumb · Polygonaceae 2 counties
• 
  Polygonum meisnerianum Cham. & Schltdl. var. beyrichianum (Cham. & Schltdl.) Meisn. Native POMEB

  branched tearthumb · Polygonaceae 2 counties
• 
  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae 59 counties
• 
  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae 63 counties
• 
  Polygonum ramosissimum Michx. Native PORA3

  bushy knotweed · Polygonaceae 13 counties
• 
  Polygonum ramosissimum Michx. var. prolificum Small Native PORAP

  bushy knotweed · Polygonaceae 5 counties
• 
  Polygonum ramosissimum Michx. var. ramosissimum Native PORAR

  bushy knotweed · Polygonaceae 10 counties
• 
  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae 5 counties
• 
  Polygonum scandens L. var. cristatum (Engelm. & A. Gray) Gleason Native POSCC

  climbing false buckwheat · Polygonaceae 29 counties
• 
  Polygonum setaceum Baldw. Native POSE6

  bog smartweed · Polygonaceae 31 counties
• 
  Polygonum tenue Michx. Native POTE2

  pleatleaf knotweed · Polygonaceae 1 county
• 
  Polygonum virginianum L. Native POVI2

  jumpseed · Polygonaceae 55 counties
• 
  Polypogon interruptus Kunth Native POIN7

  ditch rabbitsfoot grass · Poaceae 5 counties
• 
  Polypremum procumbens L. Native POPR4

  juniper leaf · Buddlejaceae 58 counties
• 
  Polystichum acrostichoides (Michx.) Schott Native POAC4

  Christmas fern · Dryopteridaceae 47 counties
• 
  Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACA

  Christmas fern · Dryopteridaceae 46 counties
• 
  Polytaenia nuttallii DC. Native PONU4

  Nuttall's prairie parsley · Apiaceae 14 counties
• 
  Pontederia cordata L. Native POCO14

  pickerelweed · Pontederiaceae 35 counties
• 
  Ponthieva racemosa (Walter) C. Mohr Native PORA4

  hairy shadow witch · Orchidaceae 3 counties
• 
  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae 44 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODED

  eastern cottonwood · Salicaceae 44 counties
• 
  Populus heterophylla L. Native POHE4

  swamp cottonwood · Salicaceae 11 counties
• 
  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae 21 counties
• 
  Portulaca umbraticola Kunth Native POUM

  wingpod purslane · Portulacaceae 1 county
• 
  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae 39 counties
• 
  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae 23 counties
• 
  Potamogeton perfoliatus L. Native POPE7

  claspingleaf pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton pulcher Tuck. Native POPU6

  spotted pondweed · Potamogetonaceae 10 counties
• 
  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae 34 counties
• 
  Potamogeton pusillus L. ssp. pusillus Native POPUP5

  small pondweed · Potamogetonaceae 34 counties