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 51–100 of 2,679 (native).

• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 18 counties
• 
  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae 33 counties
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae 27 counties
• 
  Aletris aurea Walter Native ALAU

  golden colicroot · Liliaceae 2 counties
• 
  Aletris farinosa L. Native ALFA2

  white colicroot · Liliaceae 12 counties
• 
  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae 17 counties
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae 55 counties
• 
  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae 43 counties
• 
  Allium canadense L. var. mobilense (Regel) Ownbey Native ALCAM

  meadow garlic · Liliaceae 41 counties
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae 8 counties
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae 8 counties
• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae 1 county
• 
  Allium stellatum Fraser ex Ker Gawl. Native ALST

  autumn onion · Liliaceae 8 counties
• 
  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae 55 counties
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae 39 counties
• 
  Alophia drummondii (Graham) R.C. Foster Native ALDR2

  propeller flower · Iridaceae 3 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 38 counties
• 
  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae 10 counties
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 16 counties
• 
  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae 42 counties
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae 34 counties
• 
  Amaranthus viridis L. Native AMVI

  slender amaranth · Amaranthaceae 5 counties
• 
  Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank. Native AMARP

  annual ragweed · Asteraceae 1 county
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae 50 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 8 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 57 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 57 counties
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 56 counties
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae 1 county
• 
  Amianthium muscitoxicum (Walter) A. Gray Native AMMU

  flypoison · Liliaceae 19 counties
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae 44 counties
• 
  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae 2 counties
• 
  Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose Native AMBU

  Butler's sandparsley · Apiaceae 11 counties
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae 5 counties
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae 63 counties
• 
  Amorpha nitens Boynt. Native AMNI

  shining false indigo · Fabaceae 21 counties
• 
  Amorpha ouachitensis Wilbur Native AMOU

  Ouachita false indigo · Fabaceae 8 counties
• 
  Amorpha paniculata Torr. & A. Gray Native AMPA4

  panicled false indigo · Fabaceae 1 county
• 
  Ampelaster carolinianus (Walter) G.L. Nesom Native AMCA14

  climbing aster · Asteraceae 1 county
• 
  Ampelopsis cordata Michx. Native AMCO2

  heartleaf peppervine · Vitaceae 42 counties
• 
  Amphiachyris dracunculoides (DC.) Nutt. Native AMDR

  prairie broomweed · Asteraceae 6 counties
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae 29 counties
• 
  Amsonia ciliata Walter Native AMCI

  fringed bluestar · Apocynaceae 13 counties
• 
  Amsonia ciliata Walter var. ciliata Native AMCIC

  fringed bluestar · Apocynaceae 13 counties
• 
  Amsonia hubrichtii Woodson Native AMHU

  Hubricht's bluestar · Apocynaceae 9 counties
• 
  Amsonia illustris Woodson Native AMIL

  Ozark bluestar · Apocynaceae 12 counties
• 
  Amsonia ludoviciana Vail Native AMLU2

  Louisiana bluestar · Apocynaceae 1 county
• 
  Amsonia tabernaemontana Walter Native AMTA2

  eastern bluestar · Apocynaceae 54 counties
• 
  Amsonia tabernaemontana Walter var. gattingeri Woodson Native AMTAG

  eastern bluestar · Apocynaceae 1 county
• 
  Anagallis minima (L.) Krause Native ANMI4

  chaffweed · Primulaceae 11 counties