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 201–250 of 781 (introduced).

• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae 64 counties
• 
  Cynoglossum furcatum Wall. ex Roxb. Introduced CYFU8

  Ceylon hound's tongue · Boraginaceae 3 counties
• 
  Cynosurus echinatus L. Introduced CYEC

  bristly dogstail grass · Poaceae 1 county
• 
  Cyperus difformis L. Introduced CYDI4

  variable flatsedge · Cyperaceae 11 counties
• 
  Cyperus entrerianus Boeckeler Introduced CYEN2

  woodrush flatsedge · Cyperaceae 4 counties
• 
  Cyperus fuscus L. Introduced CYFU3

  brown flatsedge · Cyperaceae 2 counties
• ⚘
  Cyperus involucratus Rottb. Introduced CYIN6

  umbrella plant · Cyperaceae 4 counties
• 
  Cyperus iria L. Introduced CYIR

  ricefield flatsedge · Cyperaceae 62 counties
• 
  Cyperus papyrus L. Introduced CYPA8

  papyrus · Cyperaceae 2 counties
• 
  Cyperus pilosus Vahl Introduced CYPI

  fuzzy flatsedge · Cyperaceae 11 counties
• 
  Cyperus rotundus L. Introduced CYRO

  nutgrass · Cyperaceae 63 counties
• 
  Cyperus sanguinolentus Vahl Introduced CYSA10

  purpleglume flatsedge · Cyperaceae 2 counties
• 
  Cypselea humifusa Turp. Introduced CYHU3

  panal · Aizoaceae 10 counties
• 
  Cyrtomium falcatum (L. f.) C. Presl Introduced CYFA2

  Japanese netvein hollyfern · Dryopteridaceae 15 counties
• 
  Cyrtomium fortunei J. Sm. Introduced CYFO

  Asian netvein hollyfern · Dryopteridaceae 4 counties
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae 20 counties
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae 20 counties
• 
  Dactyloctenium aegyptium (L.) Willd. Introduced DAAE

  Egyptian grass · Poaceae 44 counties
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae 37 counties
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae 30 counties
• 
  Deparia petersenii (Kunze) M. Kato Introduced DEPE6

  Petersen's-Spleenwort · Dryopteridaceae 1 county
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae 3 counties
• 
  Desmodium triflorum (L.) DC. Introduced DETR4

  threeflower ticktrefoil · Fabaceae 1 county
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 1 county
• 
  Dianthus barbatus L. Introduced DIBA

  sweetwilliam · Caryophyllaceae 3 counties
• 
  Dichanthium annulatum (Forssk.) Stapf Introduced DIAN

  Kleberg's bluestem · Poaceae 2 counties
• 
  Dichanthium aristatum (Poir.) C.E. Hubbard Introduced DIAR5

  Angleton bluestem · Poaceae 4 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 45 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 4 counties
• 
  Digitaria violascens Link Introduced DIVI2

  violet crabgrass · Poaceae 36 counties
• 
  Diodia dasycephala Cham. & Schltdl. Introduced DIDA

  carretilla · Rubiaceae 7 counties
• 
  Dioscorea alata L. Introduced DIAL2

  water yam · Dioscoreaceae 1 county
• 
  Dioscorea bulbifera L. Introduced DIBU

  air yam · Dioscoreaceae 7 counties
• 
  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae 2 counties
• 
  Dopatrium junceum (Roxb.) Buch.-Ham. ex Benth. Introduced DOJU

  horsefly's eye · Scrophulariaceae 4 counties
• 
  Duchesnea indica (Andrews) Teschem. Introduced DUIN2

  Indian strawberry · Rosaceae 59 counties
• 
  Dysphania pumilio (R. Br.) Mosyakin & Clemants Introduced DYPU

  clammy goosefoot · Chenopodiaceae 4 counties
• 
  Echinochloa colona (L.) Link Introduced ECCO2

  jungle rice · Poaceae 64 counties
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae 57 counties
• 
  Egeria densa Planch. Introduced EGDE

  Brazilian waterweed · Hydrocharitaceae 25 counties
• 
  Eichhornia crassipes (Mart.) Solms Introduced EICR

  common water hyacinth · Pontederiaceae 54 counties
• 
  Elaeagnus pungens Thunb. Introduced ELPU2

  thorny olive · Elaeagnaceae 11 counties
• 
  Elaeagnus umbellata Thunb. Introduced ELUM

  autumn olive · Elaeagnaceae 5 counties
• 
  Elaeagnus umbellata Thunb. var. parvifolia (Wall. ex Royle) C.K. Schneid. Introduced ELUMP

  autumn olive · Elaeagnaceae 5 counties
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae 64 counties
• 
  Emilia fosbergii Nicolson Introduced EMFO

  Florida tasselflower · Asteraceae 3 counties
• 
  Eragrostis bahiensis Schrad. ex Schult. Introduced ERBA

  Bahia lovegrass · Poaceae 11 counties
• 
  Eragrostis barrelieri Daveau Introduced ERBA2

  Mediterranean lovegrass · Poaceae 6 counties
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae 28 counties
• 
  Eragrostis ciliaris (L.) R. Br. Introduced ERCI2

  gophertail lovegrass · Poaceae 2 counties