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 3,277.

• 
  Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTET

  slenderleaf false foxglove · Scrophulariaceae 1 county
• 
  Agalinis viridis (Small) Pennell Native AGVI5

  green false foxglove · Scrophulariaceae 22 counties
• 
  Agastache nepetoides (L.) Kuntze Native AGNE2

  yellow giant hyssop · Lamiaceae 12 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae 45 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae 45 counties
• 
  Agrimonia microcarpa Wallr. Native AGMI2

  smallfruit agrimony · Rosaceae 1 county
• 
  Agrimonia parviflora Aiton Native AGPA6

  harvestlice · Rosaceae 13 counties
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae 16 counties
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae 39 counties
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae 18 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 18 counties
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae 8 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
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae 18 counties
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae 34 counties
• 
  Aira caryophyllea L. Introduced AICA

  silver hairgrass · Poaceae 15 counties
• 
  Aira caryophyllea L. var. caryophyllea Introduced AICAC2

  silver hairgrass · Poaceae 15 counties
• 
  Aira elegans Willd. ex Kunth Introduced AIEL4

  annual silver hairgrass · Poaceae 34 counties
• 
  Ajuga pyramidalis L. Introduced AJPY

  pyramid bugle · Lamiaceae 1 county
• 
  Ajuga reptans L. Introduced AJRE

  common bugle · Lamiaceae 8 counties
• 
  Albizia julibrissin Durazz. Introduced ALJU

  silktree · Fabaceae 40 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
• 
  Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4

  garlic mustard · Brassicaceae 3 counties
• 
  Allium ampeloprasum L. Introduced ALAM

  broadleaf wild leek · Liliaceae 9 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 cepa L. Introduced ALCE

  garden onion · Liliaceae 5 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 porrum L. Introduced ALPO2

  garden leek · Liliaceae 1 county
• 
  Allium sativum L. Introduced ALSA2

  cultivated garlic · Liliaceae 3 counties
• 
  Allium stellatum Fraser ex Ker Gawl. Native ALST

  autumn onion · Liliaceae 8 counties
• 
  Allium vineale L. Introduced ALVI

  wild garlic · Liliaceae 28 counties
• 
  Allium vineale L. ssp. vineale Introduced ALVIV

  wild garlic · Liliaceae 28 counties
• 
  Alnus glutinosa (L.) Gaertn. Introduced ALGL2

  European alder · Betulaceae 1 county
• 
  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
• 
  Alternanthera caracasana Kunth Introduced ALCA5

  washerwoman · Amaranthaceae 1 county
• 
  Alternanthera philoxeroides (Mart.) Griseb. Introduced ALPH

  alligatorweed · Amaranthaceae 12 counties
• 
  Alternanthera sessilis (L.) R. Br. ex DC. Introduced ALSE4

  sessile joyweed · Amaranthaceae 2 counties
• 
  Alyssum alyssoides (L.) L. Introduced ALAL3

  pale madwort · Brassicaceae 1 county
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae 7 counties
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae 4 counties
• 
  Amaranthus blitum L. Introduced AMBL2

  purple amaranth · Amaranthaceae 1 county