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 501–550 of 2,679 (native).

• 
  Chamaecrista nictitans (L.) Moench ssp. nictitans var. nictitans Native CHNIN2

  sensitive partridge pea · Fabaceae 54 counties
• 
  Chamaelirium luteum (L.) A. Gray Native CHLU

  fairywand · Liliaceae 7 counties
• 
  Chamaesyce cordifolia (Elliott) Small Native CHCO11

  heartleaf sandmat · Euphorbiaceae 4 counties
• 
  Chamaesyce hirta (L.) Millsp. Native CHHI3

  pillpod sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce humistrata (Engelm. ex A. Gray) Small Native CHHU3

  spreading sandmat · Euphorbiaceae 20 counties
• 
  Chamaesyce hypericifolia (L.) Millsp. Native CHHY2

  graceful sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce hyssopifolia (L.) Small Native CHHY3

  hyssopleaf sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae 69 counties
• 
  Chamaesyce missurica (Raf.) Shinners Native CHMI8

  prairie sandmat · Euphorbiaceae 3 counties
• 
  Chamaesyce nutans (Lag.) Small Native CHNU9

  eyebane · Euphorbiaceae 3 counties
• 
  Chamaesyce ophthalmica (Pers.) Burch Native CHOP2

  Florida hammock sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce prostrata (Aiton) Small Native CHPR6

  prostrate sandmat · Euphorbiaceae 10 counties
• 
  Chamaesyce serpens (Kunth) Small Native CHSE4

  matted sandmat · Euphorbiaceae 11 counties
• 
  Chasmanthium latifolium (Michx.) Yates Native CHLA5

  Indian woodoats · Poaceae 65 counties
• 
  Chasmanthium laxum (L.) Yates Native CHLA6

  slender woodoats · Poaceae 39 counties
• 
  Chasmanthium sessiliflorum (Poir.) Yates Native CHSE2

  longleaf woodoats · Poaceae 31 counties
• 
  Cheilanthes alabamensis (Buckley) Kunze Native CHAL5

  Alabama lipfern · Pteridaceae 12 counties
• 
  Cheilanthes eatonii Baker Native CHEA

  Eaton's lipfern · Pteridaceae 2 counties
• 
  Cheilanthes feei T. Moore Native CHFE

  slender lipfern · Pteridaceae 11 counties
• 
  Cheilanthes lanosa (Michx.) D.C. Eaton Native CHLA2

  hairy lipfern · Pteridaceae 37 counties
• 
  Cheilanthes tomentosa Link Native CHTO2

  woolly lipfern · Pteridaceae 26 counties
• 
  Chelone glabra L. Native CHGL2

  white turtlehead · Scrophulariaceae 1 county
• 
  Chelone obliqua L. Native CHOB3

  red turtlehead · Scrophulariaceae 1 county
• 
  Chelone obliqua L. var. speciosa Pennell & Wherry Native CHOBS

  red turtlehead · Scrophulariaceae 1 county
• 
  Chenopodium album L. var. missouriense (Aellen) I.J. Bassett & C.W. Crompton Native CHALM2

  Missouri lambsquarters · Chenopodiaceae 19 counties
• 
  Chenopodium album L. var. striatum Krašan Native CHALS2

  lateflowering goosefoot · Chenopodiaceae 3 counties
• 
  Chenopodium berlandieri Moq. Native CHBE4

  pitseed goosefoot · Chenopodiaceae 2 counties
• 
  Chenopodium pallescens Standl. Native CHPA5

  slimleaf goosefoot · Chenopodiaceae 1 county
• 
  Chenopodium simplex (Torr.) Raf. Native CHSI2

  mapleleaf goosefoot · Chenopodiaceae 6 counties
• 
  Chenopodium standleyanum Aellen Native CHST2

  Standley's goosefoot · Chenopodiaceae 12 counties
• 
  Chionanthus virginicus L. Native CHVI3

  white fringetree · Oleaceae 42 counties
• 
  Chloris verticillata Nutt. Native CHVE2

  tumble windmill grass · Poaceae 4 counties
• 
  Chloris virgata Sw. Native CHVI4

  feather fingergrass · Poaceae 5 counties
• 
  Chrysopsis pilosa Nutt. Native CHPI8

  soft goldenaster · Asteraceae 64 counties
• 
  Cicuta maculata L. Native CIMA2

  spotted water hemlock · Apiaceae 47 counties
• 
  Cinna arundinacea L. Native CIAR2

  sweet woodreed · Poaceae 18 counties
• 
  Circaea lutetiana L. Native CILU

  broadleaf enchanter's nightshade · Onagraceae 20 counties
• 
  Circaea lutetiana L. ssp. canadensis (L.) Asch. & Magnus Native CILUC

  broadleaf enchanter's nightshade · Onagraceae 20 counties
• 
  Cirsium altissimum (L.) Hill Native CIAL2

  tall thistle · Asteraceae 33 counties
• 
  Cirsium carolinianum (Walter) Fernald & B.G. Schub. Native CICA7

  soft thistle · Asteraceae 33 counties
• 
  Cirsium discolor (Muhl. ex Willd.) Spreng. Native CIDI

  field thistle · Asteraceae 24 counties
• 
  Cirsium horridulum Michx. Native CIHO2

  yellow thistle · Asteraceae 21 counties
• 
  Cirsium horridulum Michx. var. horridulum Native CIHOH

  yellow thistle · Asteraceae 21 counties
• 
  Cirsium muticum Michx. Native CIMU

  swamp thistle · Asteraceae 1 county
• 
  Cirsium virginianum (L.) Michx. Native CIVI

  Virginia thistle · Asteraceae 1 county
• 
  Cissus trifoliata (L.) L. Native CITR2

  sorrelvine · Vitaceae 20 counties
• 
  Cladrastis kentukea (Dum. Cours.) Rudd Native CLKE

  Kentucky yellowwood · Fabaceae 22 counties
• 
  Claytonia caroliniana Michx. Native CLCA

  Carolina springbeauty · Portulacaceae 4 counties
• 
  Claytonia caroliniana Michx. var. caroliniana Native CLCAC

  Carolina springbeauty · Portulacaceae 4 counties
• 
  Claytonia virginica L. Native CLVI3

  Virginia springbeauty · Portulacaceae 66 counties