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 1–50 of 3,739.

• 
  Abelmoschus esculentus (L.) Moench Introduced ABES

  okra · Malvaceae 17 counties
• 
  Abutilon hulseanum (Torr. & A. Gray) Torr. ex A. Gray Native ABHU

  mauve · Malvaceae 1 county
• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae 29 counties
• 
  Acaciella angustissima (Mill.) Britton & Rose Native ACAN11

  prairie acacia · Fabaceae 9 counties
• 
  Acaciella angustissima (Mill.) Britton & Rose var. hirta (Nutt.) B.L. Turner Native ACANH2

  prairie acacia · Fabaceae 9 counties
• 
  Acalypha alopecuroidea Jacq. Introduced ACAL2

  foxtail copperleaf · Euphorbiaceae 2 counties
• 
  Acalypha gracilens A. Gray Native ACGR2

  slender threeseed mercury · Euphorbiaceae 52 counties
• 
  Acalypha monococca (Engelm. ex A. Gray) Lill. W. Mill. & Gandhi Native ACMO4

  slender threeseed mercury · Euphorbiaceae 3 counties
• 
  Acalypha ostryifolia Riddell Native ACOS

  pineland threeseed mercury · Euphorbiaceae 50 counties
• 
  Acalypha rhomboidea Raf. Native ACRH

  common threeseed mercury · Euphorbiaceae 55 counties
• 
  Acalypha setosa A. Rich. Native ACSE

  Cuban copperleaf · Euphorbiaceae 16 counties
• 
  Acalypha virginica L. Native ACVI

  Virginia threeseed mercury · Euphorbiaceae 37 counties
• 
  Acanthospermum australe (Loefl.) Kuntze Introduced ACAU2

  Paraguayan starbur · Asteraceae 2 counties
• 
  Acer floridanum (Chapm.) Pax Native ACFL

  southern sugar maple · Aceraceae 20 counties
• 
  Acer leucoderme Small Native ACLE

  chalk maple · Aceraceae 7 counties
• 
  Acer negundo L. Native ACNE2

  boxelder · Aceraceae 56 counties
• 
  Acer rubrum L. Native ACRU

  red maple · Aceraceae 64 counties
• 
  Acer rubrum L. var. drummondii (Hook. & Arn. ex Nutt.) Sarg. Native ACRUD

  Drummond's maple · Aceraceae 61 counties
• 
  Acer rubrum L. var. rubrum Native ACRUR

  red maple · Aceraceae 49 counties
• 
  Acer rubrum L. var. trilobum Torr. & A. Gray ex K. Koch Native ACRUT

  red maple · Aceraceae 10 counties
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae 26 counties
• 
  Acer saccharum Marshall Native ACSA3

  sugar maple · Aceraceae 24 counties
• 
  Acer saccharum Marshall var. saccharum Native ACSAS

  sugar maple · Aceraceae 24 counties
• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 32 counties
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae 32 counties
• 
  Achyranthes aspera L. Introduced ACAS

  devil's horsewhip · Amaranthaceae 1 county
• 
  Achyranthes aspera L. var. aspera Introduced ACASA

  devil's horsewhip · Amaranthaceae 1 county
• 
  Acmella oppositifolia (Lam.) R.K. Jansen Native ACOP

  oppositeleaf spotflower · Asteraceae 61 counties
• 
  Acmella oppositifolia (Lam.) R.K. Jansen var. repens (Walter) R.K. Jansen Native ACOPR

  oppositeleaf spotflower · Asteraceae 61 counties
• 
  Acorus calamus L. Introduced ACCA4

  calamus · Acoraceae 8 counties
• 
  Actaea pachypoda Elliott Native ACPA

  white baneberry · Ranunculaceae 1 county
• 
  Adiantum capillus-veneris L. Native ADCA

  common maidenhair · Pteridaceae 11 counties
• 
  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae 6 counties
• 
  Adonis annua L. Introduced ADAN

  blooddrops · Ranunculaceae 1 county
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae 3 counties
• 
  Aeschynomene americana L. Native AEAM

  shyleaf · Fabaceae 17 counties
• 
  Aeschynomene indica L. Native AEIN

  Indian jointvetch · Fabaceae 40 counties
• 
  Aeschynomene rudis Benth. Native AERU

  zigzag jointvetch · Fabaceae 3 counties
• 
  Aesculus pavia L. Native AEPA

  red buckeye · Hippocastanaceae 47 counties
• 
  Aesculus pavia L. var. pavia Native AEPAP

  red buckeye · Hippocastanaceae 47 counties
• 
  Agalinis aphylla (Nutt.) Raf. Native AGAP3

  scaleleaf false foxglove · Scrophulariaceae 1 county
• ⚘
  Agalinis caddoensis Pennell Native AGCA8

  Caddo false foxglove · Scrophulariaceae 1 county
• 
  Agalinis fasciculata (Elliott) Raf. Native AGFA2

  beach false foxglove · Scrophulariaceae 42 counties
• 
  Agalinis filicaulis (Benth.) Pennell Native AGFI

  Jackson false foxglove · Scrophulariaceae 4 counties
• 
  Agalinis gattingeri (Small) Small Native AGGA

  roundstem false foxglove · Scrophulariaceae 12 counties
• 
  Agalinis harperi Pennell Native AGHA3

  coastal plain false foxglove · Scrophulariaceae 12 counties
• 
  Agalinis heterophylla (Nutt.) Small ex Britton Native AGHE4

  prairie false foxglove · Scrophulariaceae 41 counties
• 
  Agalinis homalantha Pennell Native AGHO4

  San Antonio false foxglove · Scrophulariaceae 6 counties
• 
  Agalinis linifolia (Nutt.) Britton Native AGLI2

  flaxleaf false foxglove · Scrophulariaceae 4 counties
• 
  Agalinis maritima (Raf.) Raf. Native AGMA3

  saltmarsh false foxglove · Scrophulariaceae 8 counties