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 3,701–3,739 of 3,739.

• 
  Xyris floridana (Kral) E.L. Bridges & Orzell Native XYFL

  Florida Yellow-Eyed-Grass · Xyridaceae 2 counties
• 
  Xyris jupicai Rich. Native XYJU

  Richard's yelloweyed grass · Xyridaceae 21 counties
• 
  Xyris laxifolia Mart. Native XYLA

  laxleaf yelloweyed grass · Xyridaceae 27 counties
• 
  Xyris laxifolia Mart. var. iridifolia (Chapm.) Kral Native XYLAI

  irisleaf yelloweyed grass · Xyridaceae 27 counties
• 
  Xyris louisianica Bridges & Orzell Native XYLO2

  Louisiana yelloweyed grass · Xyridaceae 9 counties
• 
  Xyris platylepis Chapm. Native XYPL

  tall yelloweyed grass · Xyridaceae 7 counties
• 
  Xyris scabrifolia Harper Native XYSC

  Harper's yelloweyed grass · Xyridaceae 3 counties
• 
  Xyris serotina Chapm. Native XYSE

  acidswamp yelloweyed grass · Xyridaceae 1 county
• 
  Xyris smalliana Nash Native XYSM

  Small's yelloweyed grass · Xyridaceae 1 county
• 
  Xyris stricta Chapm. Native XYST

  pineland yelloweyed grass · Xyridaceae 1 county
• 
  Xyris torta Sm. Native XYTO

  slender yelloweyed grass · Xyridaceae 15 counties
• 
  Yeatesia viridiflora (Nees) Small Native YEVI

  yellow bractspike · Acanthaceae 5 counties
• 
  Youngia japonica (L.) DC. Introduced YOJA

  Oriental false hawksbeard · Asteraceae 48 counties
• 
  Yucca aloifolia L. Native YUAL

  aloe yucca · Agavaceae 27 counties
• 
  Yucca filamentosa L. Native YUFI

  Adam's needle · Agavaceae 26 counties
• 
  Yucca gloriosa L. Native YUGL2

  moundlily yucca · Agavaceae 3 counties
• 
  Yucca louisianensis Trel. Native YULO

  Gulf Coast yucca · Agavaceae 13 counties
• 
  Zannichellia palustris L. Native ZAPA

  horned pondweed · Zannichelliaceae 9 counties
• 
  Zanthoxylum americanum Mill. Native ZAAM

  common pricklyash · Rutaceae 1 county
• 
  Zanthoxylum clava-herculis L. Native ZACL

  Hercules' club · Rutaceae 54 counties
• 
  Zea mays L. Introduced ZEMA

  corn · Poaceae 28 counties
• 
  Zea mays L. ssp. mays Introduced ZEMAM2

  corn · Poaceae 28 counties
• 
  Zephyranthes candida (Lindl.) Herb. Introduced ZECA

  autumn zephyrlily · Liliaceae 37 counties
• 
  Zephyranthes grandiflora Lindl. Native ZEGR

  rosepink zephyrlily · Liliaceae 6 counties
• 
  Zephyranthes pulchella J.G. Sm. Native ZEPU

  showy zephyrlily · Liliaceae 2 counties
• 
  Zephyranthes treatiae S. Watson Native ZETR

  zephyrlily · Liliaceae 1 county
• 
  Zeuxine strateumatica (L.) Schltr. Introduced ZEST

  soldier's orchid · Orchidaceae 2 counties
• 
  Zigadenus densus (Desr.) Fernald Native ZIDE

  Osceola's plume · Liliaceae 3 counties
• 
  Zigadenus leimanthoides A. Gray Native ZILE

  pine barren deathcamas · Liliaceae 1 county
• 
  Zigadenus nuttallii (A. Gray) S. Watson Native ZINU

  Nuttall's deathcamas · Liliaceae 1 county
• 
  Zinnia violacea Cav. Introduced ZIVI2

  elegant zinnia · Asteraceae 4 counties
• 
  Zizania aquatica L. Native ZIAQ

  annual wildrice · Poaceae 8 counties
• 
  Zizania aquatica L. var. aquatica Native ZIAQA2

  annual wildrice · Poaceae 8 counties
• 
  Zizaniopsis miliacea (Michx.) Döll & Asch. Native ZIMI

  giant cutgrass · Poaceae 52 counties
• 
  Zizia aurea (L.) W.D.J. Koch Native ZIAU

  golden zizia · Apiaceae 17 counties
• 
  Ziziphus zizyphus (L.) Karst. Introduced ZIZI

  common jujube · Rhamnaceae 12 counties
• 
  Zornia bracteata Walter ex J.F. Gmel. Native ZOBR

  viperina · Fabaceae 4 counties
• 
  Zoysia japonica Steud. Introduced ZOJA

  Korean lawngrass · Poaceae 3 counties
• 
  Zoysia tenuifolia Willd. ex Thiele Introduced ZOTE

  Mascarene grass · Poaceae 5 counties