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 1–32 of 32 (both).

• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 32 counties
• 
  Alternanthera paronychioides A. St.-Hil. Both ALPA17

  smooth joyweed · Amaranthaceae 28 counties
• 
  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae 59 counties
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae 14 counties
• 
  Arundinaria tecta (Walter) Muhl. Both ARTE4

  switchcane · Poaceae 5 counties
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae 27 counties
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae 1 county
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 23 counties
• 
  Capsicum annuum L. Both CAAN4

  cayenne pepper · Solanaceae 3 counties
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 38 counties
• 
  Croton glandulosus L. Both CRGL2

  vente conmigo · Euphorbiaceae 50 counties
• 
  Cucurbita pepo L. Both CUPE

  field pumpkin · Cucurbitaceae 22 counties
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 53 counties
• 
  Dysphania ambrosioides (L.) Mosyakin & Clemants Both DYAM

  Mexican tea · Chenopodiaceae 59 counties
• 
  Dysphania graveolens (Willd.) Mosyakin & Clemants Both DYGR

  fetid goosefoot · Chenopodiaceae 1 county
• 
  Echinochloa crus-pavonis (Kunth) Schult. Both ECCR2

  gulf cockspur grass · Poaceae 12 counties
• 
  Eriochloa acuminata (J. Presl) Kunth Both ERAC4

  tapertip cupgrass · Poaceae 14 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 28 counties
• 
  Gamochaeta coarctata (Willd.) Kerguélen Both GACO11

  gray everlasting · Asteraceae 8 counties
• 
  Ludwigia peploides (Kunth) P.H. Raven Both LUPE5

  floating primrose-willow · Onagraceae 53 counties
• 
  Malvaviscus arboreus Dill. ex Cav. Both MAAR14

  wax mallow · Malvaceae 28 counties
• 
  Oplismenus hirtellus (L.) P. Beauv. Both OPHI

  basketgrass · Poaceae 56 counties
• 
  Paspalum notatum Flueggé Both PANO2

  bahiagrass · Poaceae 60 counties
• 
  Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

  common reed · Poaceae 19 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 26 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 29 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 50 counties
• 
  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae 64 counties
• 
  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae 57 counties
• 
  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae 51 counties
• 
  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae 15 counties
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae 4 counties