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 3,101–3,150 of 3,739.

• 
  Setaria megaphylla (Steud.) T. Dur. & Schinz Introduced SEME6

  bigleaf bristlegrass · Poaceae 2 counties
• 
  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae 60 counties
• 
  Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8

  yellow foxtail · Poaceae 62 counties
• 
  Setaria pumila (Poir.) Roem. & Schult. ssp. pallidefusca (Schumach.) B.K. Simon Introduced SEPUP3

  cattail grass · Poaceae 62 counties
• 
  Setaria pumila (Poir.) Roem. & Schult. ssp. pumila Introduced SEPUP2

  yellow foxtail · Poaceae 2 counties
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 2 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 12 counties
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 12 counties
• 
  Seymeria cassioides (J.F. Gmel.) S.F. Blake Native SECA4

  yaupon blacksenna · Scrophulariaceae 16 counties
• 
  Seymeria pectinata Pursh Native SEPE2

  piedmont blacksenna · Scrophulariaceae 1 county
• 
  Seymeria pectinata Pursh ssp. pectinata Native SEPEP3

  piedmont blacksenna · Scrophulariaceae 1 county
• 
  Sherardia arvensis L. Introduced SHAR2

  blue fieldmadder · Rubiaceae 41 counties
• 
  Sibara virginica (L.) Rollins Native SIVI2

  Virginia winged rockcress · Brassicaceae 46 counties
• 
  Sicyos angulatus L. Native SIAN

  oneseed bur cucumber · Cucurbitaceae 29 counties
• 
  Sida acuta Burm. f. Native SIAC3

  common wireweed · Malvaceae 3 counties
• 
  Sida elliottii Torr. & A. Gray Native SIEL

  Elliott's fanpetals · Malvaceae 3 counties
• 
  Sida elliottii Torr. & A. Gray var. elliottii Native SIELE

  Elliott's fanpetals · Malvaceae 3 counties
• 
  Sida lindheimeri Engelm. & A. Gray Native SILI

  showy fanpetals · Malvaceae 2 counties
• 
  Sida rhombifolia L. Native SIRH

  Cuban jute · Malvaceae 64 counties
• 
  Sida spinosa L. Native SISP

  prickly fanpetals · Malvaceae 55 counties
• 
  Sideroxylon lanuginosum Michx. Native SILA20

  gum bully · Sapotaceae 39 counties
• 
  Sideroxylon lanuginosum Michx. ssp. albicans (Sarg.) Kartesz & Gandhi Native SILAA4

  gum bully · Sapotaceae 1 county
• 
  Sideroxylon lanuginosum Michx. ssp. oblongifolium (Nutt.) T.D. Penn. Native SILAO

  gum bully · Sapotaceae 39 counties
• 
  Sideroxylon lanuginosum Michx. ssp. rigidum (A. Gray) T.D. Penn. Native SILAR2

  gum bully · Sapotaceae 1 county
• 
  Sideroxylon lycioides L. Native SILY

  buckthorn bully · Sapotaceae 41 counties
• 
  Sideroxylon reclinatum Michx. Native SIRE8

  Florida bully · Sapotaceae 1 county
• 
  Sideroxylon reclinatum Michx. ssp. reclinatum Native SIRER2

  Florida bully · Sapotaceae 1 county
• 
  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae 51 counties
• 
  Silene armeria L. Introduced SIAR

  sweet William silene · Caryophyllaceae 1 county
• 
  Silene gallica L. Introduced SIGA

  common catchfly · Caryophyllaceae 16 counties
• 
  Silene noctiflora L. Introduced SINO

  nightflowering silene · Caryophyllaceae 4 counties
• 
  Silene stellata (L.) W.T. Aiton Native SIST

  widowsfrill · Caryophyllaceae 9 counties
• 
  Silene subciliata B.L. Rob. Native SISU3

  Louisiana catchfly · Caryophyllaceae 4 counties
• 
  Silene virginica L. Native SIVI4

  fire pink · Caryophyllaceae 6 counties
• 
  Silene virginica L. var. virginica Native SIVIV

  fire pink · Caryophyllaceae 6 counties
• 
  Silphium asteriscus L. Native SIAS2

  starry rosinweed · Asteraceae 18 counties
• 
  Silphium asteriscus L. var. asteriscus Native SIASA3

  starry rosinweed · Asteraceae 18 counties
• 
  Silphium gracile A. Gray Native SIGR4

  slender rosinweed · Asteraceae 18 counties
• 
  Silphium integrifolium Michx. Native SIIN2

  wholeleaf rosinweed · Asteraceae 15 counties
• 
  Silphium integrifolium Michx. var. integrifolium Native SIINI

  wholeleaf rosinweed · Asteraceae 15 counties
• 
  Silphium laciniatum L. Native SILA3

  compassplant · Asteraceae 17 counties
• 
  Silphium laciniatum L. var. robinsonii L.M. Perry Native SILAR

  Robinson's compassplant · Asteraceae 17 counties
• 
  Silphium perfoliatum L. Native SIPE2

  cup plant · Asteraceae 1 county
• 
  Silphium perfoliatum L. var. perfoliatum Native SIPEP

  cup plant · Asteraceae 1 county
• 
  Silphium radula Nutt. Native SIRA2

  roughstem rosinweed · Asteraceae 15 counties
• ⚘
  Silphium trifoliatum L. Native SITR7

  whorled rosinweed · Asteraceae 1 county
• ⚘
  Silphium trifoliatum L. var. latifolium A. Gray Native SITRL

  whorled rosinweed · Asteraceae 1 county
• 
  Silybum marianum (L.) Gaertn. Introduced SIMA3

  blessed milkthistle · Asteraceae 6 counties
• 
  Sinapis alba L. Introduced SIAL5

  white mustard · Brassicaceae 6 counties
• 
  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae 23 counties