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 1,451–1,500 of 3,739.

• 
  Grindelia lanceolata Nutt. Native GRLA3

  narrowleaf gumweed · Asteraceae 1 county
• 
  Grindelia papposa G.L. Nesom & Suh Native GRPA8

  Spanish gold · Asteraceae 4 counties
• 
  Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. Native GYAM

  bearded skeletongrass · Poaceae 27 counties
• 
  Gymnopogon brevifolius Trin. Native GYBR

  shortleaf skeletongrass · Poaceae 19 counties
• 
  Gymnostyles anthemifolia Juss. Introduced GYAN

  button burrweed · Asteraceae 10 counties
• 
  Gymnostyles stolonifera (Brot.) Tutin Introduced GYST

  carpet burrweed · Asteraceae 11 counties
• 
  Habenaria quinqueseta (Michx.) Eaton Native HAQU

  longhorn bog orchid · Orchidaceae 2 counties
• 
  Habenaria repens Nutt. Native HARE

  waterspider bog orchid · Orchidaceae 34 counties
• 
  Habranthus tubispathus (L'Hér.) Traub Native HATU

  Rio Grande copperlily · Liliaceae 9 counties
• 
  Hackelia virginiana (L.) I.M. Johnst. Native HAVI2

  beggarslice · Boraginaceae 4 counties
• 
  Hackelochloa granularis (L.) Kuntze Introduced HAGR3

  pitscale grass · Poaceae 12 counties
• 
  Hainardia cylindrica (Willd.) Greuter Introduced HACY

  barbgrass · Poaceae 1 county
• 
  Halesia diptera Ellis Native HADI3

  two-wing silverbell · Styracaceae 37 counties
• 
  Halodule wrightii Asch. Native HAWR

  shoalweed · Cymodoceaceae 3 counties
• 
  Halophila engelmannii Asch. Native HAEN2

  Engelmann's seagrass · Hydrocharitaceae 1 county
• 
  Hamamelis virginiana L. Native HAVI4

  American witchhazel · Hamamelidaceae 41 counties
• 
  Hedeoma hispida Pursh Native HEHI

  rough false pennyroyal · Lamiaceae 40 counties
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae 26 counties
• 
  Hedychium coronarium J. Koenig Introduced HECO11

  white garland-lily · Zingiberaceae 5 counties
• 
  Hedypnois cretica (L.) Dum. Cours. Introduced HECR2

  Cretanweed · Asteraceae 1 county
• 
  Helenium amarum (Raf.) H. Rock Native HEAM

  sneezeweed · Asteraceae 60 counties
• 
  Helenium amarum (Raf.) H. Rock var. amarum Native HEAMA

  sneezeweed · Asteraceae 60 counties
• 
  Helenium autumnale L. Native HEAU

  common sneezeweed · Asteraceae 11 counties
• 
  Helenium autumnale L. var. autumnale Native HEAUA

  common sneezeweed · Asteraceae 11 counties
• 
  Helenium brevifolium (Nutt.) Alph. Wood Native HEBR

  shortleaf sneezeweed · Asteraceae 2 counties
• 
  Helenium campestre Small Native HECA13

  oldfield sneezeweed · Asteraceae 2 counties
• 
  Helenium drummondii H. Rock Native HEDR2

  fringed sneezeweed · Asteraceae 9 counties
• 
  Helenium flexuosum Raf. Native HEFL

  purplehead sneezeweed · Asteraceae 40 counties
• 
  Helenium quadridentatum Labill. Native HEQU

  longdisk sneezeweed · Asteraceae 13 counties
• 
  Helenium vernale Walter Native HEVE

  savannah sneezeweed · Asteraceae 7 counties
• 
  Helianthemum carolinianum (Walter) Michx. Native HECA4

  Carolina frostweed · Cistaceae 20 counties
• 
  Helianthemum georgianum Chapm. Native HEGE

  Georgia frostweed · Cistaceae 8 counties
• 
  Helianthemum rosmarinifolium Pursh Native HERO2

  rosemary frostweed · Cistaceae 1 county
• 
  Helianthus angustifolius L. Native HEAN2

  swamp sunflower · Asteraceae 43 counties
• 
  Helianthus annuus L. Native HEAN3

  common sunflower · Asteraceae 30 counties
• 
  Helianthus atrorubens L. Native HEAT

  purpledisk sunflower · Asteraceae 9 counties
• 
  Helianthus debilis Nutt. Native HEDE4

  cucumberleaf sunflower · Asteraceae 3 counties
• 
  Helianthus debilis Nutt. ssp. cucumerifolius (Torr. & A. Gray) Heiser Native HEDEC2

  cucumberleaf sunflower · Asteraceae 3 counties
• 
  Helianthus decapetalus L. Native HEDE

  thinleaf sunflower · Asteraceae 1 county
• 
  Helianthus divaricatus L. Native HEDI2

  woodland sunflower · Asteraceae 14 counties
• 
  Helianthus floridanus A. Gray ex Chapm. Native HEFL2

  Florida sunflower · Asteraceae 8 counties
• 
  Helianthus grosseserratus M. Martens Native HEGR4

  sawtooth sunflower · Asteraceae 13 counties
• 
  Helianthus heterophyllus Nutt. Native HEHE4

  variableleaf sunflower · Asteraceae 3 counties
• 
  Helianthus hirsutus Raf. Native HEHI2

  hairy sunflower · Asteraceae 36 counties
• 
  Helianthus microcephalus Torr. & A. Gray Native HEMI3

  small woodland sunflower · Asteraceae 5 counties
• 
  Helianthus mollis Lam. Native HEMO2

  ashy sunflower · Asteraceae 16 counties
• 
  Helianthus occidentalis Riddell Native HEOC2

  fewleaf sunflower · Asteraceae 3 counties
• 
  Helianthus occidentalis Riddell ssp. plantagineus (Torr. & A. Gray) Shinners Native HEOCP

  fewleaf sunflower · Asteraceae 3 counties
• 
  Helianthus petiolaris Nutt. Native HEPE

  prairie sunflower · Asteraceae 3 counties
• 
  Helianthus petiolaris Nutt. ssp. petiolaris Native HEPEP

  prairie sunflower · Asteraceae 3 counties