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 51–100 of 2,926 (native).

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  Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTET

  slenderleaf false foxglove · Scrophulariaceae 30 counties
• 
  Agalinis viridis (Small) Pennell Native AGVI5

  green false foxglove · Scrophulariaceae 26 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae 55 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae 1 county
• 
  Ageratina aromatica (L.) Spach Native AGAR4

  lesser snakeroot · Asteraceae 8 counties
• 
  Ageratina aromatica (L.) Spach var. aromatica Native AGARA

  lesser snakeroot · Asteraceae 8 counties
• 
  Agrimonia gryposepala Wallr. Native AGGR2

  tall hairy agrimony · Rosaceae 1 county
• 
  Agrimonia incisa Torr. & A. Gray Native AGIN3

  incised agrimony · Rosaceae 2 counties
• 
  Agrimonia microcarpa Wallr. Native AGMI2

  smallfruit agrimony · Rosaceae 29 counties
• 
  Agrimonia parviflora Aiton Native AGPA6

  harvestlice · Rosaceae 2 counties
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae 7 counties
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae 18 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 34 counties
• 
  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae 59 counties
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae 34 counties
• 
  Aletris aurea Walter Native ALAU

  golden colicroot · Liliaceae 19 counties
• 
  Aletris farinosa L. Native ALFA2

  white colicroot · Liliaceae 8 counties
• 
  Aletris lutea Small Native ALLU

  yellow colicroot · Liliaceae 5 counties
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae 57 counties
• 
  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae 56 counties
• 
  Allium canadense L. var. mobilense (Regel) Ownbey Native ALCAM

  meadow garlic · Liliaceae 31 counties
• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae 1 county
• 
  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae 23 counties
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae 59 counties
• 
  Alophia drummondii (Graham) R.C. Foster Native ALDR2

  propeller flower · Iridaceae 22 counties
• 
  Alternanthera paronychioides A. St.-Hil. var. paronychioides Native ALPAP

  smooth joyweed · Amaranthaceae 27 counties
• 
  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae 23 counties
• 
  Amaranthus australis (A. Gray) Sauer Native AMAU

  southern amaranth · Amaranthaceae 20 counties
• 
  Amaranthus cannabinus (L.) Sauer Native AMCA2

  tidalmarsh amaranth · Amaranthaceae 3 counties
• 
  Amaranthus greggii S. Watson Native AMGR2

  Gregg's amaranth · Amaranthaceae 2 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 51 counties
• 
  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae 27 counties
• 
  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 30 counties
• 
  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae 55 counties
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae 38 counties
• 
  Amaranthus viridis L. Native AMVI

  slender amaranth · Amaranthaceae 55 counties
• 
  Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank. Native AMARP

  annual ragweed · Asteraceae 59 counties
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae 21 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 38 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 63 counties
• 
  Ambrosia trifida L. var. texana Scheele Native AMTRT

  Texan great ragweed · Asteraceae 1 county
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 25 counties
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae 25 counties
• 
  Amianthium muscitoxicum (Walter) A. Gray Native AMMU

  flypoison · Liliaceae 2 counties
• 
  Ammannia auriculata Willd. Native AMAU2

  eared redstem · Lythraceae 14 counties
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae 60 counties
• 
  Ammannia latifolia L. Native AMLA3

  pink redstem · Lythraceae 3 counties
• 
  Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose Native AMBU

  Butler's sandparsley · Apiaceae 10 counties