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 601–650 of 2,926 (native).

• 
  Commelina diffusa Burm. f. var. diffusa Native CODID3

  climbing dayflower · Commelinaceae 54 counties
• 
  Commelina erecta L. Native COER

  whitemouth dayflower · Commelinaceae 30 counties
• 
  Commelina virginica L. Native COVI3

  Virginia dayflower · Commelinaceae 53 counties
• 
  Conioselinum chinense (L.) Britton, Sterns & Poggenb. Native COCH2

  eastern hemlockparsley · Apiaceae 1 county
• 
  Conoclinium coelestinum (L.) DC. Native COCO13

  blue mistflower · Asteraceae 63 counties
• 
  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae 61 counties
• 
  Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

  Canadian horseweed · Asteraceae 61 counties
• 
  Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist Native COCAP3

  Canadian horseweed · Asteraceae 20 counties
• 
  Conyza ramosissima Cronquist Native CORA4

  dwarf horseweed · Asteraceae 4 counties
• 
  Cooperia drummondii Herb. Native CODR2

  evening rainlily · Liliaceae 4 counties
• 
  Cooperia pedunculata Herb. Native COPE

  prairie lily · Liliaceae 2 counties
• 
  Corallorhiza odontorhiza (Willd.) Poir. Native COOD7

  autumn coralroot · Orchidaceae 2 counties
• 
  Corallorhiza odontorhiza (Willd.) Poir. var. odontorhiza Native COODO2

  autumn coralroot · Orchidaceae 2 counties
• 
  Corallorhiza wisteriana Conrad Native COWI5

  spring coralroot · Orchidaceae 21 counties
• 
  Coreopsis basalis (A. Dietr.) S.F. Blake Native COBA2

  goldenmane tickseed · Asteraceae 5 counties
• 
  Coreopsis gladiata Walter Native COGL2

  coastal plain tickseed · Asteraceae 10 counties
• 
  Coreopsis grandiflora Hogg ex Sweet Native COGR5

  largeflower tickseed · Asteraceae 19 counties
• 
  Coreopsis grandiflora Hogg ex Sweet var. grandiflora Native COGRG

  largeflower tickseed · Asteraceae 16 counties
• 
  Coreopsis grandiflora Hogg ex Sweet var. harveyana (A. Gray) Sherff Native COGRH

  largeflower tickseed · Asteraceae 8 counties
• 
  Coreopsis intermedia Sherff Native COIN2

  goldenwave tickseed · Asteraceae 1 county
• 
  Coreopsis lanceolata L. Native COLA5

  lanceleaf tickseed · Asteraceae 38 counties
• 
  Coreopsis linifolia Nutt. Native COLI5

  Texas tickseed · Asteraceae 13 counties
• 
  Coreopsis major Walter Native COMA6

  greater tickseed · Asteraceae 3 counties
• 
  Coreopsis nudata Nutt. Native CONU5

  Georgia tickseed · Asteraceae 1 county
• 
  Coreopsis nuecensis A. Heller Native CONU3

  crown tickseed · Asteraceae 2 counties
• 
  Coreopsis palmata Nutt. Native COPA10

  stiff tickseed · Asteraceae 2 counties
• 
  Coreopsis pubescens Elliott Native COPU2

  star tickseed · Asteraceae 18 counties
• 
  Coreopsis pubescens Elliott var. debilis (Sherff) E.B. Sm. Native COPUD

  star tickseed · Asteraceae 18 counties
• 
  Coreopsis tinctoria Nutt. Native COTI3

  golden tickseed · Asteraceae 50 counties
• 
  Coreopsis tinctoria Nutt. var. tinctoria Native COTIT

  golden tickseed · Asteraceae 50 counties
• 
  Coreopsis tripteris L. Native COTR4

  tall tickseed · Asteraceae 24 counties
• 
  Cornus amomum Mill. Native COAM2

  silky dogwood · Cornaceae 2 counties
• 
  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae 57 counties
• 
  Cornus florida L. Native COFL2

  flowering dogwood · Cornaceae 49 counties
• 
  Cornus foemina Mill. Native COFO

  stiff dogwood · Cornaceae 49 counties
• 
  Corydalis flavula (Raf.) DC. Native COFL3

  yellow fumewort · Fumariaceae 13 counties
• 
  Corydalis micrantha (Engelm. ex A. Gray) A. Gray Native COMI2

  smallflower fumewort · Fumariaceae 49 counties
• 
  Corydalis micrantha (Engelm. ex A. Gray) A. Gray ssp. australis (Chapm.) G.B. Ownbey Native COMIA2

  smallflower fumewort · Fumariaceae 37 counties
• 
  Corydalis micrantha (Engelm. ex A. Gray) A. Gray ssp. micrantha Native COMIM2

  smallflower fumewort · Fumariaceae 36 counties
• 
  Corylus americana Walter Native COAM3

  American hazelnut · Betulaceae 4 counties
• 
  Crassula aquatica (L.) Schoenl. Native CRAQ

  water pygmyweed · Crassulaceae 27 counties
• 
  Crataegus berberifolia Torr. & A. Gray Native CRBE2

  barberry hawthorn · Rosaceae 18 counties
• 
  Crataegus brachyacantha Sarg. & Engelm. Native CRBR

  blueberry hawthorn · Rosaceae 26 counties
• 
  Crataegus crus-galli L. Native CRCR2

  cockspur hawthorn · Rosaceae 28 counties
• ⚘
  Crataegus engelmannii Sarg. Native CREN

  Engelmann's hawthorn · Rosaceae 1 county
• 
  Crataegus flabellata (Bosc ex Spach) K. Koch Native CRFL

  fanleaf hawthorn · Rosaceae 1 county
• 
  Crataegus macrosperma Ashe Native CRMA3

  bigfruit hawthorn · Rosaceae 2 counties
• 
  Crataegus marshallii Eggl. Native CRMA5

  parsley hawthorn · Rosaceae 44 counties
• 
  Crataegus opaca Hook. & Arn. Native CROP

  western mayhaw · Rosaceae 31 counties
• ⚘
  Crataegus pearsonii Ashe Native CRPE13

  Pearson's hawthorn · Rosaceae 4 counties