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 1–36 of 36 (both).

• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 59 counties
• 
  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae 61 counties
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae 11 counties
• 
  Aruncus dioicus (Walter) Fernald Both ARDI8

  bride's feathers · Rosaceae 17 counties
• 
  Arundinaria tecta (Walter) Muhl. Both ARTE4

  switchcane · Poaceae 1 county
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae 22 counties
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae 8 counties
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 21 counties
• 
  Capsicum annuum L. Both CAAN4

  cayenne pepper · Solanaceae 1 county
• 
  Cerastium arvense L. Both CEAR4

  field chickweed · Caryophyllaceae 1 county
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 46 counties
• 
  Croton glandulosus L. Both CRGL2

  vente conmigo · Euphorbiaceae 52 counties
• 
  Cucurbita pepo L. Both CUPE

  field pumpkin · Cucurbitaceae 12 counties
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 33 counties
• 
  Dysphania ambrosioides (L.) Mosyakin & Clemants Both DYAM

  Mexican tea · Chenopodiaceae 40 counties
• 
  Echinochloa crus-pavonis (Kunth) Schult. Both ECCR2

  gulf cockspur grass · Poaceae 1 county
• 
  Eriochloa acuminata (J. Presl) Kunth Both ERAC4

  tapertip cupgrass · Poaceae 3 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 38 counties
• 
  Gamochaeta coarctata (Willd.) Kerguélen Both GACO11

  gray everlasting · Asteraceae 1 county
• 
  Humulus lupulus L. Both HULU

  common hop · Cannabaceae 4 counties
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae 3 counties
• 
  Lepidium densiflorum Schrad. Both LEDE

  common pepperweed · Brassicaceae 1 county
• 
  Ludwigia peploides (Kunth) P.H. Raven Both LUPE5

  floating primrose-willow · Onagraceae 34 counties
• 
  Malvaviscus arboreus Dill. ex Cav. Both MAAR14

  wax mallow · Malvaceae 3 counties
• 
  Oplismenus hirtellus (L.) P. Beauv. Both OPHI

  basketgrass · Poaceae 12 counties
• 
  Paspalum notatum Flueggé Both PANO2

  bahiagrass · Poaceae 17 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 41 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 39 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 23 counties
• 
  Rubus idaeus L. Both RUID

  American red raspberry · Rosaceae 2 counties
• 
  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae 75 counties
• 
  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae 28 counties
• 
  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae 51 counties
• 
  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae 6 counties
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae 1 county
• 
  Veronica serpyllifolia L. Both VESE

  thymeleaf speedwell · Scrophulariaceae 4 counties