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 2,751–2,800 of 3,739.

• 
  Ranunculus harveyi (A. Gray) Britton Native RAHA

  Harvey's buttercup · Ranunculaceae 3 counties
• 
  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae 3 counties
• 
  Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan Native RAHIN

  bristly buttercup · Ranunculaceae 3 counties
• 
  Ranunculus laxicaulis (Torr. & A. Gray) Darby Native RALA2

  Mississippi buttercup · Ranunculaceae 24 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 pusillus Poir. Native RAPU

  low spearwort · Ranunculaceae 61 counties
• 
  Ranunculus pusillus Poir. var. angustifolius (Engelm.) L.D. Benson Native RAPUA

  low spearwort · Ranunculaceae 61 counties
• 
  Ranunculus recurvatus Poir. Native RARE2

  blisterwort · Ranunculaceae 39 counties
• 
  Ranunculus recurvatus Poir. var. recurvatus Native RARER2

  blisterwort · Ranunculaceae 39 counties
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae 56 counties
• 
  Ranunculus sceleratus L. Native RASC3

  cursed buttercup · Ranunculaceae 53 counties
• 
  Ranunculus sceleratus L. var. sceleratus Native RASCS

  cursed buttercup · Ranunculaceae 53 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
• 
  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae 9 counties
• 
  Ratibida peduncularis (Torr. & A. Gray) Barnhart Native RAPE3

  naked Mexicanhat · Asteraceae 3 counties
• 
  Ratibida peduncularis (Torr. & A. Gray) Barnhart var. peduncularis Native RAPEP2

  naked Mexicanhat · Asteraceae 3 counties
• 
  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae 7 counties
• 
  Rayjacksonia phyllocephala (DC.) R.L. Hartm. & M.A. Lane Native RAPH2

  camphor daisy · Asteraceae 3 counties
• 
  Rhamnus lanceolata Pursh Native RHLA

  lanceleaf buckthorn · Rhamnaceae 2 counties
• 
  Rhamnus lanceolata Pursh ssp. glabrata (Gleason) Kartesz & Gandhi Native RHLAG2

  lanceleaf buckthorn · Rhamnaceae 2 counties
• 
  Rhexia alifanus Walter Native RHAL4

  savannah meadowbeauty · Melastomataceae 11 counties
• 
  Rhexia cubensis Griseb. Native RHCU4

  West Indian meadowbeauty · Melastomataceae 2 counties
• 
  Rhexia lutea Walter Native RHLU

  yellow meadowbeauty · Melastomataceae 9 counties
• 
  Rhexia mariana L. Native RHMA

  Maryland meadowbeauty · Melastomataceae 46 counties
• 
  Rhexia mariana L. var. interior (Pennell) Kral & Bostick Native RHMAI

  Maryland meadowbeauty · Melastomataceae 4 counties
• 
  Rhexia mariana L. var. mariana Native RHMAM2

  Maryland meadowbeauty · Melastomataceae 46 counties
• 
  Rhexia nashii Small Native RHNA

  maid Marian · Melastomataceae 5 counties
• 
  Rhexia petiolata Walter Native RHPE

  fringed meadowbeauty · Melastomataceae 12 counties
• 
  Rhexia virginica L. Native RHVI

  handsome Harry · Melastomataceae 22 counties
• 
  Rhododendron canescens (Michx.) Sweet Native RHCA7

  mountain azalea · Ericaceae 35 counties
• 
  Rhododendron oblongifolium (Small) Millais Native RHOB

  Texas azalea · Ericaceae 7 counties
• 
  Rhododendron viscosum (L.) Torr. Native RHVI2

  swamp azalea · Ericaceae 20 counties
• 
  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae 20 counties
• 
  Rhus aromatica Aiton var. aromatica Native RHARA2

  fragrant sumac · Anacardiaceae 20 counties
• 
  Rhus copallinum L. Native RHCO

  winged sumac · Anacardiaceae 43 counties
• 
  Rhus copallinum L. var. latifolia Engl. Native RHCOL2

  winged sumac · Anacardiaceae 42 counties
• 
  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae 39 counties
• 
  Rhynchosia difformis (Elliott) DC. Native RHDI2

  doubleform snoutbean · Fabaceae 8 counties
• 
  Rhynchosia latifolia Nutt. ex Torr. & A. Gray Native RHLA5

  prairie snoutbean · Fabaceae 25 counties
• 
  Rhynchosia minima (L.) DC. Native RHMI4

  least snoutbean · Fabaceae 32 counties
• 
  Rhynchosia reniformis DC. Native RHRE

  dollarleaf · Fabaceae 15 counties
• 
  Rhynchosia tomentosa (L.) Hook. & Arn. Native RHTO3

  twining snoutbean · Fabaceae 27 counties
• 
  Rhynchosia tomentosa (L.) Hook. & Arn. var. tomentosa Native RHTOT

  twining snoutbean · Fabaceae 27 counties