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 2,679 (native).

• 
  Aristida desmantha Trin. & Rupr. Native ARDE3

  curly threeawn · Poaceae 1 county
• 
  Aristida dichotoma Michx. Native ARDI4

  churchmouse threeawn · Poaceae 38 counties
• 
  Aristida dichotoma Michx. var. curtissii A. Gray Native ARDIC

  Curtis' threeawn · Poaceae 4 counties
• 
  Aristida dichotoma Michx. var. dichotoma Native ARDID

  churchmouse threeawn · Poaceae 8 counties
• 
  Aristida lanosa Muhl. ex Elliott Native ARLA6

  woollysheath threeawn · Poaceae 5 counties
• 
  Aristida longespica Poir. Native ARLO16

  slimspike threeawn · Poaceae 27 counties
• 
  Aristida longespica Poir. var. geniculata (Raf.) Fernald Native ARLOG6

  slimspike threeawn · Poaceae 1 county
• 
  Aristida longespica Poir. var. longespica Native ARLOL3

  slimspike threeawn · Poaceae 1 county
• 
  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae 52 counties
• 
  Aristida purpurascens Poir. Native ARPU8

  arrowfeather threeawn · Poaceae 40 counties
• 
  Aristida purpurascens Poir. var. purpurascens Native ARPUP4

  arrowfeather threeawn · Poaceae 1 county
• 
  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae 3 counties
• 
  Aristida purpurea Nutt. var. purpurea Native ARPUP6

  purple threeawn · Poaceae 3 counties
• 
  Aristida ramosissima Engelm. ex A. Gray Native ARRA2

  s-curve threeawn · Poaceae 8 counties
• 
  Aristolochia reticulata Jacq. Native ARRE3

  Texas dutchman's pipe · Aristolochiaceae 18 counties
• 
  Aristolochia serpentaria L. Native ARSE3

  Virginia snakeroot · Aristolochiaceae 28 counties
• 
  Aristolochia tomentosa Sims Native ARTO3

  woolly dutchman's pipe · Aristolochiaceae 29 counties
• 
  Arnoglossum atriplicifolium (L.) H. Rob. Native ARAT

  pale Indian plantain · Asteraceae 18 counties
• 
  Arnoglossum plantagineum Raf. Native ARPL4

  groovestem Indian plantain · Asteraceae 25 counties
• 
  Arnoglossum reniforme (Hook.) H. Rob. Native ARRE6

  great Indian plantain · Asteraceae 4 counties
• 
  Aronia arbutifolia (L.) Pers. Native ARAR7

  red chokeberry · Rosaceae 21 counties
• 
  Aronia melanocarpa (Michx.) Elliott Native ARME6

  black chokeberry · Rosaceae 1 county
• 
  Artemisia ludoviciana Nutt. ssp. albula (Wooton) D.D. Keck Native ARLUA

  white sagebrush · Asteraceae 1 county
• 
  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae 1 county
• 
  Aruncus dioicus (Walter) Fernald var. pubescens (Rydb.) Fernald Native ARDIP

  bride's feathers · Rosaceae 17 counties
• 
  Arundinaria gigantea (Walter) Muhl. Native ARGI

  giant cane · Poaceae 75 counties
• 
  Asarum canadense L. Native ASCA

  Canadian wildginger · Aristolochiaceae 28 counties
• 
  Asclepias amplexicaulis Sm. Native ASAM

  clasping milkweed · Asclepiadaceae 21 counties
• 
  Asclepias hirtella (Pennell) Woodson Native ASHI

  green milkweed · Asclepiadaceae 23 counties
• 
  Asclepias incarnata L. Native ASIN

  swamp milkweed · Asclepiadaceae 5 counties
• 
  Asclepias incarnata L. ssp. incarnata Native ASINI

  swamp milkweed · Asclepiadaceae 5 counties
• 
  Asclepias longifolia Michx. Native ASLO

  longleaf milkweed · Asclepiadaceae 1 county
• 
  Asclepias obovata Elliott Native ASOB

  pineland milkweed · Asclepiadaceae 4 counties
• 
  Asclepias perennis Walter Native ASPE

  aquatic milkweed · Asclepiadaceae 29 counties
• 
  Asclepias purpurascens L. Native ASPU2

  purple milkweed · Asclepiadaceae 18 counties
• 
  Asclepias quadrifolia Jacq. Native ASQU

  fourleaf milkweed · Asclepiadaceae 25 counties
• 
  Asclepias stenophylla A. Gray Native ASST

  slimleaf milkweed · Asclepiadaceae 3 counties
• 
  Asclepias sullivantii Engelm. ex A. Gray Native ASSU3

  prairie milkweed · Asclepiadaceae 1 county
• 
  Asclepias syriaca L. Native ASSY

  common milkweed · Asclepiadaceae 7 counties
• 
  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae 60 counties
• 
  Asclepias tuberosa L. ssp. interior Woodson Native ASTUI

  butterfly milkweed · Asclepiadaceae 60 counties
• 
  Asclepias variegata L. Native ASVA

  redring milkweed · Asclepiadaceae 47 counties
• 
  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae 41 counties
• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae 24 counties
• 
  Asclepias viridis Walter Native ASVI2

  green antelopehorn · Asclepiadaceae 31 counties
• 
  Asimina parviflora (Michx.) Dunal Native ASPA18

  smallflower pawpaw · Annonaceae 2 counties
• 
  Asimina triloba (L.) Dunal Native ASTR

  pawpaw · Annonaceae 73 counties
• 
  Asplenium bradleyi D.C. Eaton Native ASBR2

  Bradley's spleenwort · Aspleniaceae 26 counties
• 
  Asplenium pinnatifidum Nutt. Native ASPI

  lobed spleenwort · Aspleniaceae 7 counties
• 
  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Native ASPL

  ebony spleenwort · Aspleniaceae 71 counties