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 2,351–2,400 of 2,926 (native).

• 
  Sapindus saponaria L. var. drummondii (Hook. & Arn.) L.D. Benson Native SASAD

  western soapberry · Sapindaceae 24 counties
• 
  Sarcocornia perennis (Mill.) A.J. Scott Native SAPE11

  chickenclaws · Chenopodiaceae 1 county
• 
  Sarracenia alata Alph. Wood Native SAAL4

  yellow trumpets · Sarraceniaceae 11 counties
• 
  Sarracenia psittacina Michx. Native SAPS2

  parrot pitcherplant · Sarraceniaceae 3 counties
• 
  Sarracenia purpurea L. Native SAPU4

  purple pitcherplant · Sarraceniaceae 1 county
• 
  Sarracenia rosea Naczi, Case & R.B. Case Native SARO14

  purple pitcherplant · Sarraceniaceae 2 counties
• 
  Sassafras albidum (Nutt.) Nees Native SAAL5

  sassafras · Lauraceae 50 counties
• 
  Saururus cernuus L. Native SACE

  lizard's tail · Saururaceae 62 counties
• 
  Saxifraga texana Buckley Native SATE4

  Texas saxifrage · Saxifragaceae 1 county
• 
  Saxifraga virginiensis Michx. Native SAVI5

  early saxifrage · Saxifragaceae 2 counties
• 
  Saxifraga virginiensis Michx. var. virginiensis Native SAVIV

  early saxifrage · Saxifragaceae 2 counties
• 
  Scaevola plumieri (L.) Vahl Native SCPL

  gullfeed · Goodeniaceae 2 counties
• 
  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae 1 county
• 
  Schisandra glabra (E.P. Bicknell) Rehder Native SCGL7

  bay starvine · Schisandraceae 11 counties
• 
  Schizachyrium maritimum (Chapm.) Nash Native SCMA3

  gulf bluestem · Poaceae 2 counties
• 
  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae 46 counties
• 
  Schizachyrium scoparium (Michx.) Nash var. divergens (Hack.) Gould Native SCSCD

  little bluestem · Poaceae 24 counties
• 
  Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

  little bluestem · Poaceae 44 counties
• 
  Schizachyrium tenerum Nees Native SCTE5

  slender little bluestem · Poaceae 19 counties
• 
  Schoenolirion croceum (Michx.) Alph. Wood Native SCCR

  yellow sunnybell · Liliaceae 5 counties
• 
  Schoenolirion wrightii Sherman Native SCWR3

  Texas sunnybell · Liliaceae 2 counties
• 
  Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6

  chairmaker's bulrush · Cyperaceae 11 counties
• 
  Schoenoplectus californicus (C.A. Mey.) Palla Native SCCA11

  California bulrush · Cyperaceae 13 counties
• 
  Schoenoplectus deltarum (Schuyler) Soják Native SCDE6

  delta bulrush · Cyperaceae 1 county
• 
  Schoenoplectus etuberculatus (Steud.) Soják Native SCET2

  Canby's bulrush · Cyperaceae 3 counties
• 
  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae 4 counties
• 
  Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5

  common threesquare · Cyperaceae 4 counties
• 
  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae 16 counties
• 
  Schwalbea americana L. Native SCAM

  chaffseed · Scrophulariaceae 3 counties
• 
  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae 15 counties
• 
  Scirpus cyperinus (L.) Kunth Native SCCY

  woolgrass · Cyperaceae 40 counties
• 
  Scirpus divaricatus Elliott Native SCDI2

  spreading bulrush · Cyperaceae 6 counties
• 
  Scirpus georgianus Harper Native SCGE2

  Georgia bulrush · Cyperaceae 5 counties
• 
  Scirpus lineatus Michx. Native SCLI5

  drooping bulrush · Cyperaceae 18 counties
• 
  Scirpus pendulus Muhl. Native SCPE4

  rufous bulrush · Cyperaceae 1 county
• 
  Scleria baldwinii (Torr.) Steud. Native SCBA2

  Baldwin's nutrush · Cyperaceae 5 counties
• 
  Scleria ciliata Michx. Native SCCI

  fringed nutrush · Cyperaceae 30 counties
• 
  Scleria ciliata Michx. var. ciliata Native SCCIC

  fringed nutrush · Cyperaceae 30 counties
• 
  Scleria georgiana Core Native SCGE

  slenderfruit nutrush · Cyperaceae 6 counties
• 
  Scleria hirtella Sw. Native SCHI3

  riverswamp nutrush · Cyperaceae 4 counties
• 
  Scleria muehlenbergii Steud. Native SCMU8

  Muehlenberg's nutrush · Cyperaceae 1 county
• 
  Scleria oligantha Michx. Native SCOL2

  littlehead nutrush · Cyperaceae 37 counties
• 
  Scleria pauciflora Muhl. ex Willd. Native SCPA5

  fewflower nutrush · Cyperaceae 20 counties
• 
  Scleria pauciflora Muhl. ex Willd. var. caroliniana (Willd.) Alph. Wood Native SCPAC

  Carolina nutrush · Cyperaceae 20 counties
• 
  Scleria reticularis Michx. Native SCRE

  netted nutrush · Cyperaceae 13 counties
• 
  Scleria triglomerata Michx. Native SCTR

  whip nutrush · Cyperaceae 25 counties
• 
  Scleria verticillata Muhl. ex Willd. Native SCVE2

  low nutrush · Cyperaceae 3 counties
• 
  Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb. Native SCUN3

  pink bogbutton · Asteraceae 1 county
• 
  Scoparia dulcis L. Native SCDU3

  licorice weed · Scrophulariaceae 16 counties
• 
  Scrophularia marilandica L. Native SCMA2

  carpenter's square · Scrophulariaceae 11 counties