Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 151–200 of 562 (introduced).

• 
  Cucumis melo L. Introduced CUME

  cantaloupe · Cucurbitaceae 6 counties
• 
  Cuphea carthagenensis (Jacq.) J.F. Macbr. Introduced CUCA4

  Colombian waxweed · Lythraceae 3 counties
• 
  Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson Introduced CYLE7

  marsh parsley · Apiaceae 14 counties
• 
  Cymbalaria muralis G. Gaertn., B. Mey. & Scherb. Introduced CYMU

  Kenilworth ivy · Scrophulariaceae 2 counties
• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae 48 counties
• 
  Cynoglossum amabile Stapf & J.R. Drumm. Introduced CYAM3

  Chinese hound's tongue · Boraginaceae 10 counties
• 
  Cynoglossum furcatum Wall. ex Roxb. Introduced CYFU8

  Ceylon hound's tongue · Boraginaceae 1 county
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae 8 counties
• 
  Cynosurus echinatus L. Introduced CYEC

  bristly dogstail grass · Poaceae 9 counties
• 
  Cyperus entrerianus Boeckeler Introduced CYEN2

  woodrush flatsedge · Cyperaceae 1 county
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae 33 counties
• 
  Cyperus fuscus L. Introduced CYFU3

  brown flatsedge · Cyperaceae 1 county
• ⚘
  Cyperus involucratus Rottb. Introduced CYIN6

  umbrella plant · Cyperaceae 1 county
• 
  Cyperus iria L. Introduced CYIR

  ricefield flatsedge · Cyperaceae 30 counties
• 
  Cyperus rotundus L. Introduced CYRO

  nutgrass · Cyperaceae 20 counties
• 
  Cyrtomium fortunei J. Sm. Introduced CYFO

  Asian netvein hollyfern · Dryopteridaceae 1 county
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae 28 counties
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae 28 counties
• 
  Dactyloctenium aegyptium (L.) Willd. Introduced DAAE

  Egyptian grass · Poaceae 3 counties
• 
  Datura inoxia Mill. Introduced DAIN2

  pricklyburr · Solanaceae 1 county
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae 39 counties
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae 38 counties
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae 1 county
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 32 counties
• 
  Dianthus deltoides L. Introduced DIDE

  maiden pink · Caryophyllaceae 2 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 43 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 17 counties
• 
  Digitaria violascens Link Introduced DIVI2

  violet crabgrass · Poaceae 24 counties
• 
  Diodia dasycephala Cham. & Schltdl. Introduced DIDA

  carretilla · Rubiaceae 2 counties
• 
  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae 19 counties
• 
  Diplotaxis muralis (L.) DC. Introduced DIMU2

  annual wallrocket · Brassicaceae 2 counties
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 11 counties
• 
  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae 9 counties
• 
  Duchesnea indica (Andrews) Teschem. Introduced DUIN2

  Indian strawberry · Rosaceae 34 counties
• 
  Dysphania pumilio (R. Br.) Mosyakin & Clemants Introduced DYPU

  clammy goosefoot · Chenopodiaceae 16 counties
• 
  Echinochloa colona (L.) Link Introduced ECCO2

  jungle rice · Poaceae 26 counties
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae 41 counties
• 
  Echium vulgare L. Introduced ECVU

  common viper's bugloss · Boraginaceae 3 counties
• 
  Egeria densa Planch. Introduced EGDE

  Brazilian waterweed · Hydrocharitaceae 4 counties
• 
  Eichhornia crassipes (Mart.) Solms Introduced EICR

  common water hyacinth · Pontederiaceae 3 counties
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae 50 counties
• 
  Elymus repens (L.) Gould Introduced ELRE4

  quackgrass · Poaceae 7 counties
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae 21 counties
• 
  Eragrostis curvula (Schrad.) Nees Introduced ERCU2

  weeping lovegrass · Poaceae 14 counties
• 
  Eragrostis japonica (Thunb.) Trin. Introduced ERJA4

  pond lovegrass · Poaceae 25 counties
• 
  Eragrostis minor Host Introduced ERMI5

  little lovegrass · Poaceae 3 counties
• 
  Eragrostis pilosa (L.) P. Beauv. Introduced ERPI2

  Indian lovegrass · Poaceae 15 counties
• 
  Eremochloa ophiuroides (Munro) Hack. Introduced EROP

  centipede grass · Poaceae 2 counties
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton Introduced ERCI6

  redstem stork's bill · Geraniaceae 9 counties
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium Introduced ERCIC

  redstem stork's bill · Geraniaceae 9 counties