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 1–50 of 562 (introduced).

• 
  Abelmoschus esculentus (L.) Moench Introduced ABES

  okra · Malvaceae 2 counties
• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae 31 counties
• 
  Acanthospermum australe (Loefl.) Kuntze Introduced ACAU2

  Paraguayan starbur · Asteraceae 1 county
• 
  Acorus calamus L. Introduced ACCA4

  calamus · Acoraceae 13 counties
• 
  Actinidia chinensis Planch. Introduced ACCH5

  kiwi · Actinidiaceae 1 county
• 
  Actinidia chinensis Planch. var. deliciosa (A. Chev.) A. Chev. Introduced ACCHD

  kiwi · Actinidiaceae 1 county
• 
  Adonis annua L. Introduced ADAN

  blooddrops · Ranunculaceae 1 county
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae 14 counties
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae 18 counties
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae 8 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
• 
  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 cepa L. Introduced ALCE

  garden onion · Liliaceae 5 counties
• 
  Allium porrum L. Introduced ALPO2

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

  cultivated garlic · Liliaceae 3 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
• 
  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
• 
  Amaranthus hypochondriacus L. Introduced AMHY2

  Prince-of-Wales feather · Amaranthaceae 1 county
• 
  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae 61 counties
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae 10 counties
• 
  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

  scarlet pimpernel · Primulaceae 10 counties
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae 46 counties
• 
  Anthemis tinctoria L. Introduced ANTI

  golden chamomile · Asteraceae 1 county
• 
  Anthoxanthum aristatum Boiss. Introduced ANAR7

  annual vernalgrass · Poaceae 6 counties
• 
  Anthoxanthum odoratum L. Introduced ANOD

  sweet vernalgrass · Poaceae 6 counties
• 
  Anthoxanthum odoratum L. ssp. odoratum Introduced ANODO2

  sweet vernalgrass · Poaceae 6 counties
• 
  Anthriscus caucalis M. Bieb. Introduced ANCA14

  bur chervil · Apiaceae 1 county
• 
  Aphanes microcarpa (Boiss. & Reut.) Rothm. Introduced APMI

  slender parsley piert · Rosaceae 15 counties
• 
  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae 38 counties
• 
  Arachis hypogaea L. Introduced ARHY

  peanut · Fabaceae 2 counties
• 
  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae 14 counties
• 
  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae 24 counties
• 
  Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl Introduced AREL3

  tall oatgrass · Poaceae 5 counties
• 
  Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. bulbosum (Willd.) Spenner Introduced ARELB

  tall oatgrass · Poaceae 1 county