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 2,501–2,550 of 3,739.

• 
  Plantago pusilla Nutt. Native PLPU

  dwarf plantain · Plantaginaceae 12 counties
• 
  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae 3 counties
• 
  Plantago rugelii Decne. Native PLRU

  blackseed plantain · Plantaginaceae 30 counties
• 
  Plantago rugelii Decne. var. rugelii Native PLRUR

  blackseed plantain · Plantaginaceae 30 counties
• 
  Plantago virginica L. Native PLVI

  Virginia plantain · Plantaginaceae 60 counties
• 
  Plantago wrightiana Decne. Native PLWR

  Wright's plantain · Plantaginaceae 25 counties
• 
  Platanthera blephariglottis (Willd.) Lindl. Native PLBL

  white fringed orchid · Orchidaceae 1 county
• 
  Platanthera blephariglottis (Willd.) Lindl. var. conspicua (Nash) Luer Native PLBLC

  white fringed orchid · Orchidaceae 1 county
• 
  Platanthera ciliaris (L.) Lindl. Native PLCI2

  yellow fringed orchid · Orchidaceae 18 counties
• 
  Platanthera clavellata (Michx.) Luer Native PLCL

  small green wood orchid · Orchidaceae 14 counties
• 
  Platanthera cristata (Michx.) Lindl. Native PLCR

  crested yellow orchid · Orchidaceae 17 counties
• 
  Platanthera flava (L.) Lindl. Native PLFL

  palegreen orchid · Orchidaceae 14 counties
• 
  Platanthera flava (L.) Lindl. var. flava Native PLFLF

  palegreen orchid · Orchidaceae 14 counties
• 
  Platanthera integra (Nutt.) A. Gray ex Beck Native PLIN5

  yellow fringeless orchid · Orchidaceae 4 counties
• 
  Platanthera lacera (Michx.) G. Don Native PLLA2

  green fringed orchid · Orchidaceae 2 counties
• 
  Platanthera nivea (Nutt.) Luer Native PLNI

  snowy orchid · Orchidaceae 11 counties
• 
  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae 57 counties
• 
  Platythelys querceticola (Lindl.) Garay Native PLQU

  jug orchid · Orchidaceae 4 counties
• 
  Pleopeltis polypodioides (L.) Andrews & Windham Native PLPO2

  resurrection fern · Polypodiaceae 58 counties
• 
  Pleopeltis polypodioides (L.) Andrews & Windham ssp. michauxiana (Weath.) Andrews & Windham Native PLPOM

  resurrection fern · Polypodiaceae 58 counties
• 
  Pluchea camphorata (L.) DC. Native PLCA7

  camphor pluchea · Asteraceae 57 counties
• 
  Pluchea foetida (L.) DC. Native PLFO

  stinking camphorweed · Asteraceae 39 counties
• 
  Pluchea foetida (L.) DC. var. foetida Native PLFOF

  stinking camphorweed · Asteraceae 39 counties
• 
  Pluchea odorata (L.) Cass. Native PLOD

  sweetscent · Asteraceae 36 counties
• 
  Pluchea odorata (L.) Cass. var. odorata Native PLODO

  sweetscent · Asteraceae 36 counties
• 
  Pluchea rosea Godfrey Native PLRO

  rosy camphorweed · Asteraceae 25 counties
• 
  Plumbago auriculata Lam. Introduced PLAU6

  Cape leadwort · Plumbaginaceae 6 counties
• 
  Poa annua L. Introduced POAN

  annual bluegrass · Poaceae 64 counties
• 
  Poa arachnifera Torr. Native POAR

  Texas bluegrass · Poaceae 2 counties
• 
  Poa autumnalis Muhl. ex Elliott Native POAU

  autumn bluegrass · Poaceae 39 counties
• 
  Poa bulbosa L. Introduced POBU

  bulbous bluegrass · Poaceae 1 county
• 
  Poa chapmaniana Scribn. Native POCH2

  Chapman's bluegrass · Poaceae 9 counties
• 
  Poa compressa L. Introduced POCO

  Canada bluegrass · Poaceae 3 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 26 counties
• 
  Poa pratensis L. ssp. pratensis Introduced POPRP2

  Kentucky bluegrass · Poaceae 26 counties
• 
  Poa sylvestris A. Gray Native POSY

  woodland bluegrass · Poaceae 1 county
• 
  Podophyllum peltatum L. Native POPE

  mayapple · Berberidaceae 42 counties
• 
  Podostemum ceratophyllum Michx. Native POCE3

  hornleaf riverweed · Podostemaceae 3 counties
• 
  Pogonia ophioglossoides (L.) Ker Gawl. Native POOP

  snakemouth orchid · Orchidaceae 11 counties
• 
  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae 3 counties
• 
  Polanisia dodecandra (L.) DC. ssp. dodecandra Native PODOD

  redwhisker clammyweed · Capparaceae 3 counties
• 
  Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis Native PODOT

  sandyseed clammyweed · Capparaceae 1 county
• 
  Polanisia erosa (Nutt.) Iltis Native POER

  large clammyweed · Capparaceae 5 counties
• 
  Polanisia erosa (Nutt.) Iltis ssp. erosa Native POERE

  large clammyweed · Capparaceae 5 counties
• 
  Polygala ambigua Nutt. Native POAM9

  whorled milkwort · Polygalaceae 1 county
• 
  Polygala appendiculata Vell. Native POAP7

  swamp milkwort · Polygalaceae 16 counties
• 
  Polygala boykinii Nutt. Native POBO4

  Boykin's milkwort · Polygalaceae 2 counties
• 
  Polygala boykinii Nutt. var. boykinii Native POBOB3

  Boykin's milkwort · Polygalaceae 2 counties
• 
  Polygala brevifolia Nutt. Native POBR2

  littleleaf milkwort · Polygalaceae 1 county
• 
  Polygala chapmanii Torr. & A. Gray Native POCH5

  Chapman's milkwort · Polygalaceae 2 counties