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 2,601–2,650 of 2,926 (native).

• 
  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae 24 counties
• 
  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae 24 counties
• 
  Stenotaphrum secundatum (Walter) Kuntze Native STSE

  St. Augustine grass · Poaceae 49 counties
• 
  Stewartia malacodendron L. Native STMA

  silky camellia · Theaceae 12 counties
• 
  Stillingia sylvatica L. Native STSY

  queen's-delight · Euphorbiaceae 20 counties
• 
  Stillingia sylvatica L. ssp. sylvatica Native STSYS2

  queen's-delight · Euphorbiaceae 20 counties
• 
  Stipulicida setacea Michx. Native STSE3

  pineland scalypink · Caryophyllaceae 1 county
• 
  Stipulicida setacea Michx. var. setacea Native STSES

  pineland scalypink · Caryophyllaceae 1 county
• 
  Stokesia laevis (Hill) Greene Native STLA6

  Stokes' aster · Asteraceae 5 counties
• 
  Streptanthus hyacinthoides Hook. Native STHY

  smooth jewelflower · Brassicaceae 4 counties
• 
  Streptanthus maculatus Nutt. Native STMA2

  clasping jewelflower · Brassicaceae 1 county
• 
  Streptanthus maculatus Nutt. ssp. maculatus Native STMAM

  clasping jewelflower · Brassicaceae 1 county
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae 49 counties
• 
  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae 16 counties
• 
  Strophostyles umbellata (Muhl. ex Willd.) Britton Native STUM2

  pink fuzzybean · Fabaceae 39 counties
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae 9 counties
• 
  Stylisma aquatica (Walter) Raf. Native STAQ3

  water dawnflower · Convolvulaceae 8 counties
• 
  Stylisma humistrata (Walter) Chapm. Native STHU2

  southern dawnflower · Convolvulaceae 26 counties
• 
  Stylisma patens (Desr.) Myint Native STPA8

  coastal plain dawnflower · Convolvulaceae 1 county
• 
  Stylisma patens (Desr.) Myint ssp. patens Native STPAP8

  coastal plain dawnflower · Convolvulaceae 1 county
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray Native STPI3

  Pickering's dawnflower · Convolvulaceae 6 counties
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint Native STPIP2

  Patterson's dawnflower · Convolvulaceae 6 counties
• 
  Stylisma villosa (Nash) House Native STVI6

  hairy dawnflower · Convolvulaceae 2 counties
• 
  Stylodon carneus (Medik.) Moldenke Native STCA6

  Carolina false vervain · Verbenaceae 11 counties
• 
  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae 36 counties
• 
  Styphnolobium affine (Torr. & A. Gray) Walp. Native STAF4

  Eve's necklacepod · Fabaceae 4 counties
• 
  Styrax americanus Lam. Native STAM4

  American snowbell · Styracaceae 47 counties
• 
  Styrax grandifolius Aiton Native STGR4

  bigleaf snowbell · Styracaceae 38 counties
• 
  Suaeda linearis (Elliott) Moq. Native SULI

  annual seepweed · Chenopodiaceae 8 counties
• 
  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae 14 counties
• 
  Symphyotrichum adnatum (Nutt.) G.L. Nesom Native SYAD

  scaleleaf aster · Asteraceae 5 counties
• 
  Symphyotrichum bahamense (Britton) G.L. Nesom Native SYBA5

  Bahaman aster · Asteraceae 1 county
• 
  Symphyotrichum concolor (L.) G.L. Nesom Native SYCO3

  eastern silver aster · Asteraceae 6 counties
• 
  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae 59 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae 35 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. drummondii Native SYDRD

  Drummond's aster · Asteraceae 28 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. texanum (Burgess) G.L. Nesom Native SYDRT

  Drummond's aster · Asteraceae 20 counties
• 
  Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2

  rice button aster · Asteraceae 48 counties
• 
  Symphyotrichum elliottii (Torr. & A. Gray) G.L. Nesom Native SYEL2

  Marsh American-Aster · Asteraceae 3 counties
• 
  Symphyotrichum laeve (L.) Á. Löve & D. Löve Native SYLA3

  smooth blue aster · Asteraceae 9 counties
• 
  Symphyotrichum laeve (L.) Á. Löve & D. Löve var. purpuratum (Nees) G.L. Nesom Native SYLAP

  smooth blue aster · Asteraceae 9 counties
• 
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

  white panicle aster · Asteraceae 20 counties
• 
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6

  white panicle aster · Asteraceae 20 counties
• 
  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve Native SYLA4

  calico aster · Asteraceae 60 counties
• 
  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. lateriflorum Native SYLAL7

  calico aster · Asteraceae 60 counties
• 
  Symphyotrichum ontarionis (Wiegand) G.L. Nesom Native SYON2

  bottomland aster · Asteraceae 6 counties
• 
  Symphyotrichum oolentangiense (Riddell) G.L. Nesom Native SYOO

  skyblue aster · Asteraceae 11 counties
• 
  Symphyotrichum oolentangiense (Riddell) G.L. Nesom var. oolentangiense Native SYOOO

  skyblue aster · Asteraceae 11 counties
• 
  Symphyotrichum patens (Aiton) G.L. Nesom Native SYPA11

  late purple aster · Asteraceae 37 counties
• 
  Symphyotrichum patens (Aiton) G.L. Nesom var. gracile (Hook.) G.L. Nesom Native SYPAG

  late purple aster · Asteraceae 16 counties