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 651–700 of 781 (introduced).

• 
  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae 23 counties
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae 4 counties
• 
  Sisymbrium officinale (L.) Scop. Introduced SIOF

  hedgemustard · Brassicaceae 19 counties
• 
  Solanum capsicoides All. Introduced SOCA10

  cockroach berry · Solanaceae 5 counties
• 
  Solanum lycopersicum L. Introduced SOLY2

  garden tomato · Solanaceae 27 counties
• 
  Solanum melongena L. Introduced SOME

  eggplant · Solanaceae 2 counties
• 
  Solanum pseudocapsicum L. Introduced SOPS

  Jerusalem cherry · Solanaceae 27 counties
• 
  Solanum sisymbriifolium Lam. Introduced SOSI

  sticky nightshade · Solanaceae 3 counties
• 
  Solanum tuberosum L. Introduced SOTU

  Irish potato · Solanaceae 7 counties
• ⚘
  Soliva mutisii Kunth Introduced SOMU2

  Mutis' burrweed · Asteraceae 26 counties
• 
  Soliva sessilis Ruiz & Pav. Introduced SOSE2

  field burrweed · Asteraceae 49 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 1 county
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 1 county
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 64 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 53 counties
• ⚘
  Sorghum almum Parodi Introduced SOAL

  Columbus grass · Poaceae 23 counties
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 41 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 64 counties
• 
  Spergula arvensis L. Introduced SPAR

  corn spurry · Caryophyllaceae 8 counties
• 
  Spergularia echinosperma (Celak.) Asch. & Graebn. Introduced SPEC

  bristleseed sandspurry · Caryophyllaceae 2 counties
• 
  Sphagneticola trilobata (L.) Pruski Introduced SPTR6

  Bay Biscayne creeping-oxeye · Asteraceae 2 counties
• 
  Sphenoclea zeylanica Gaertn. Introduced SPZE

  chickenspike · Sphenocleaceae 54 counties
• 
  Spiraea cantoniensis Lour. Introduced SPCA10

  Reeves' meadowsweet · Rosaceae 4 counties
• 
  Spiraea prunifolia Siebold & Zucc. Introduced SPPR

  bridalwreath spirea · Rosaceae 10 counties
• 
  Spiraea thunbergii Siebold ex Blume Introduced SPTH2

  Thunberg's meadowsweet · Rosaceae 13 counties
• ⚘
  Spiraea ×vanhouttei (Briot) Carrière [cantoniensis × trilobata] Introduced SPVA2

  spirea · Rosaceae 19 counties
• 
  Sporobolus indicus (L.) R. Br. Introduced SPIN4

  smut grass · Poaceae 63 counties
• 
  Sporobolus indicus (L.) R. Br. var. indicus Introduced SPINI2

  smut grass · Poaceae 63 counties
• 
  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae 62 counties
• 
  Stellaria media (L.) Vill. ssp. media Introduced STMEM

  common chickweed · Caryophyllaceae 62 counties
• 
  Stellaria parva Pedersen Introduced STPA9

  pygmy starwort · Caryophyllaceae 4 counties
• 
  Tagetes erecta L. Introduced TAER

  Aztec marigold · Asteraceae 1 county
• 
  Tagetes patula L. Introduced TAPA

  French marigold · Asteraceae 2 counties
• 
  Tamarix africana Poir. Introduced TAAF

  African tamarisk · Tamaricaceae 2 counties
• 
  Tamarix canariensis Willd. Introduced TACA9

  Canary Island tamarisk · Tamaricaceae 3 counties
• 
  Tamarix gallica L. Introduced TAGA

  French tamarisk · Tamaricaceae 16 counties
• 
  Tamarix ramosissima Ledeb. Introduced TARA

  saltcedar · Tamaricaceae 8 counties
• 
  Tanacetum vulgare L. Introduced TAVU

  common tansy · Asteraceae 1 county
• 
  Taraxacum officinale F.H. Wigg. ssp. officinale Introduced TAOFO

  common dandelion · Asteraceae 51 counties
• 
  Themeda quadrivalvis (L.) Kuntze Introduced THQU

  kangaroo grass · Poaceae 2 counties
• 
  Themeda quadrivalvis (L.) Kuntze var. quadrivalvis Introduced THQUQ

  kangaroo grass · Poaceae 2 counties
• 
  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae 13 counties
• 
  Tithonia rotundifolia (Mill.) S.F. Blake Introduced TIRO

  clavel de muerto · Asteraceae 1 county
• 
  Torenia fournieri Linden ex E. Fourn. Introduced TOFO2

  bluewings · Scrophulariaceae 3 counties
• 
  Torilis arvensis (Huds.) Link Introduced TOAR

  spreading hedgeparsley · Apiaceae 30 counties
• 
  Torilis nodosa (L.) Gaertn. Introduced TONO

  knotted hedgeparsley · Apiaceae 9 counties
• 
  Trachelospermum jasminoides (Lindl.) Lem. Introduced TRJA

  confederate jasmine · Apocynaceae 11 counties
• 
  Tradescantia fluminensis Vell. Introduced TRFL

  small-leaf spiderwort · Commelinaceae 7 counties
• 
  Tradescantia spathacea Sw. Introduced TRSP8

  boatlily · Commelinaceae 2 counties
• 
  Tradescantia zebrina hort. ex Bosse Introduced TRZE

  inchplant · Commelinaceae 2 counties