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 551–600 of 781 (introduced).

• ⚘
  Populus tomentosa Carrière Introduced POTO7

  Chinese white poplar · Salicaceae 2 counties
• 
  Portulaca grandiflora Hook. Introduced POGR7

  rose moss · Portulacaceae 6 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 4 counties
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 12 counties
• 
  Prunus persica (L.) Batsch Introduced PRPE3

  peach · Rosaceae 36 counties
• 
  Prunus persica (L.) Batsch var. persica Introduced PRPEP2

  peach · Rosaceae 36 counties
• 
  Pteris cretica L. Introduced PTCR2

  Cretan brake · Pteridaceae 1 county
• 
  Pteris cretica L. var. cretica Introduced PTCRC

  Cretan brake · Pteridaceae 1 county
• 
  Pteris multifida Poir. Introduced PTMU

  spider brake · Pteridaceae 12 counties
• 
  Pteris vittata L. Introduced PTVI

  ladder brake · Pteridaceae 11 counties
• 
  Pterocarya stenoptera C. DC. Introduced PTST80

  Chinese wingnut · Juglandaceae 2 counties
• 
  Pueraria montana (Lour.) Merr. Introduced PUMO

  kudzu · Fabaceae 40 counties
• 
  Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S.M. Almeida ex Sanjappa & Predeep Introduced PUMOL

  kudzu · Fabaceae 40 counties
• 
  Punica granatum L. Introduced PUGR2

  pomegranate · Punicaceae 12 counties
• 
  Pyracantha coccinea M. Roem. Introduced PYCO2

  scarlet firethorn · Rosaceae 29 counties
• 
  Pyracantha koidzumii (Hayata) Rehder Introduced PYKO

  Formosa firethorn · Rosaceae 1 county
• 
  Pyrus calleryana Decne. Introduced PYCA80

  Callery pear · Rosaceae 19 counties
• 
  Pyrus communis L. Introduced PYCO

  common pear · Rosaceae 36 counties
• 
  Quercus acutissima Carruthers Introduced QUAC80

  sawtooth oak · Fagaceae 16 counties
• 
  Quercus suber L. Introduced QUSU5

  cork oak · Fagaceae 4 counties
• 
  Ranunculus arvensis L. Introduced RAAR3

  corn buttercup · Ranunculaceae 4 counties
• 
  Ranunculus marginatus d'Urv. Introduced RAMA4

  margined buttercup · Ranunculaceae 42 counties
• 
  Ranunculus marginatus d'Urv. var. trachycarpus (Fisch. & C.A. Mey.) Arn. Introduced RAMAT

  margined buttercup · Ranunculaceae 42 counties
• 
  Ranunculus muricatus L. Introduced RAMU2

  spinyfruit buttercup · Ranunculaceae 57 counties
• 
  Ranunculus parviflorus L. Introduced RAPA3

  smallflower buttercup · Ranunculaceae 54 counties
• 
  Ranunculus platensis Spreng. Introduced RAPL

  prairie buttercup · Ranunculaceae 33 counties
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae 56 counties
• 
  Ranunculus trilobus Desf. Introduced RATR2

  threelobe buttercup · Ranunculaceae 44 counties
• 
  Raphanus raphanistrum L. Introduced RARA2

  wild radish · Brassicaceae 18 counties
• ⚘
  Raphanus sativus L. Introduced RASA2

  cultivated radish · Brassicaceae 9 counties
• 
  Rapistrum rugosum (L.) All. Introduced RARU

  annual bastardcabbage · Brassicaceae 3 counties
• 
  Ricinus communis L. Introduced RICO3

  castorbean · Euphorbiaceae 16 counties
• 
  Rorippa indica (L.) Hiern. Introduced ROIN

  variableleaf yellowcress · Brassicaceae 5 counties
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 9 counties
• 
  Rosa bracteata J.C. Wendl. Introduced ROBR

  Macartney rose · Rosaceae 46 counties
• 
  Rosa gallica L. Introduced ROGA

  French rose · Rosaceae 6 counties
• 
  Rosa laevigata Michx. Introduced ROLA

  Cherokee rose · Rosaceae 24 counties
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 28 counties
• 
  Rosa wichuraiana Crép. Introduced ROWI

  memorial rose · Rosaceae 1 county
• ⚘
  Rosa ×borboniana N.H.F. Desp. (pro sp.) [chinensis × damascena] Introduced ROBO3

  Bourbon rose · Rosaceae 3 counties
• 
  Rosa ×odorata (Andrews) Sweet (pro sp.) [chinensis × gigantea] Introduced ROOD2

  tea rose · Rosaceae 5 counties
• ⚘
  Rosa ×rehderiana Blackb. [chinensis × multiflora] Introduced RORE3

  polyantha rose · Rosaceae 1 county
• 
  Rostraria cristata (L.) Tzvelev Introduced ROCR3

  Mediterranean hairgrass · Poaceae 1 county
• 
  Rotala indica (Willd.) Koehne Introduced ROIN3

  Indian toothcup · Lythraceae 5 counties
• 
  Rottboellia cochinchinensis (Lour.) W.D. Clayton Introduced ROCO6

  itchgrass · Poaceae 25 counties
• 
  Rubus bifrons Vest ex Tratt. Introduced RUBI

  Himalayan berry · Rosaceae 4 counties
• 
  Ruellia blechum L. Introduced RUBL3

  Browne's blechum · Acanthaceae 1 county
• 
  Ruellia caerulea Morong Introduced RUCA19

  Britton's wild petunia · Acanthaceae 12 counties
• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae 3 counties
• 
  Rumex conglomeratus Murray Introduced RUCO2

  clustered dock · Polygonaceae 4 counties