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 2,251–2,300 of 3,277.

• 
  Polanisia erosa (Nutt.) Iltis Native POER

  large clammyweed · Capparaceae 2 counties
• 
  Polanisia erosa (Nutt.) Iltis ssp. erosa Native POERE

  large clammyweed · Capparaceae 2 counties
• 
  Polemonium reptans L. Native PORE2

  Greek valerian · Polemoniaceae 26 counties
• 
  Polemonium reptans L. var. reptans Native PORER

  Greek valerian · Polemoniaceae 26 counties
• 
  Polygala cruciata L. Native POCR

  drumheads · Polygalaceae 5 counties
• 
  Polygala cruciata L. var. cruciata Native POCRC

  drumheads · Polygalaceae 5 counties
• 
  Polygala incarnata L. Native POIN4

  procession flower · Polygalaceae 12 counties
• 
  Polygala mariana Mill. Native POMA8

  Maryland milkwort · Polygalaceae 9 counties
• 
  Polygala nana (Michx.) DC. Native PONA2

  candyroot · Polygalaceae 3 counties
• 
  Polygala nuttallii Torr. & A. Gray Native PONU2

  Nuttall's milkwort · Polygalaceae 1 county
• 
  Polygala polygama Walter Native POPO

  racemed milkwort · Polygalaceae 14 counties
• 
  Polygala sanguinea L. Native POSA3

  purple milkwort · Polygalaceae 36 counties
• 
  Polygala senega L. Native POSE3

  Seneca snakeroot · Polygalaceae 17 counties
• 
  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae 43 counties
• 
  Polygala verticillata L. var. verticillata Native POVEV

  whorled milkwort · Polygalaceae 1 county
• 
  Polygonatum biflorum (Walter) Elliott Native POBI2

  smooth Solomon's seal · Liliaceae 41 counties
• 
  Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBIC

  smooth Solomon's seal · Liliaceae 41 counties
• 
  Polygonella americana (Fisch. & C.A. Mey.) Small Native POAM3

  southern jointweed · Polygonaceae 17 counties
• 
  Polygonum amphibium L. Native POAM8

  water knotweed · Polygonaceae 10 counties
• 
  Polygonum amphibium L. var. emersum Michx. Native POAME

  longroot smartweed · Polygonaceae 10 counties
• 
  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae 3 counties
• 
  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae 38 counties
• 
  Polygonum cespitosum Blume var. longisetum (Bruijn) A.N. Steward Introduced POCEL

  Oriental lady's thumb · Polygonaceae 2 counties
• 
  Polygonum cespitosum Blume, nom. inq. Introduced POCE4

  Oriental lady's thumb · Polygonaceae 2 counties
• 
  Polygonum convolvulus L. Introduced POCO10

  black bindweed · Polygonaceae 15 counties
• 
  Polygonum convolvulus L. var. convolvulus Introduced POCOC2

  black bindweed · Polygonaceae 15 counties
• 
  Polygonum cuspidatum Siebold & Zucc. Introduced POCU6

  Japanese knotweed · Polygonaceae 2 counties
• 
  Polygonum erectum L. Native POER2

  erect knotweed · Polygonaceae 4 counties
• 
  Polygonum glabrum Willd. Native POGL10

  denseflower knotweed · Polygonaceae 15 counties
• 
  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae 9 counties
• 
  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae 55 counties
• 
  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae 32 counties
• 
  Polygonum orientale L. Introduced POOR2

  kiss me over the garden gate · Polygonaceae 3 counties
• 
  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae 56 counties
• 
  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae 29 counties
• 
  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae 42 counties
• 
  Polygonum ramosissimum Michx. Native PORA3

  bushy knotweed · Polygonaceae 7 counties
• 
  Polygonum ramosissimum Michx. var. prolificum Small Native PORAP

  bushy knotweed · Polygonaceae 1 county
• 
  Polygonum ramosissimum Michx. var. ramosissimum Native PORAR

  bushy knotweed · Polygonaceae 6 counties
• 
  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae 11 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 39 counties
• 
  Polygonum scandens L. var. cristatum (Engelm. & A. Gray) Gleason Native POSCC

  climbing false buckwheat · Polygonaceae 1 county
• 
  Polygonum setaceum Baldw. Native POSE6

  bog smartweed · Polygonaceae 2 counties
• 
  Polygonum tenue Michx. Native POTE2

  pleatleaf knotweed · Polygonaceae 17 counties
• 
  Polygonum virginianum L. Native POVI2

  jumpseed · Polygonaceae 51 counties
• 
  Polymnia canadensis L. Native POCA11

  whiteflower leafcup · Asteraceae 18 counties
• 
  Polymnia cossatotensis Pittman & V.M. Bates Native POCO25

  Cossatot Mountain leafcup · Asteraceae 1 county
• 
  Polypodium virginianum L. Native POVI7

  rock polypody · Polypodiaceae 16 counties
• 
  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae 5 counties
• 
  Polypremum procumbens L. Native POPR4

  juniper leaf · Buddlejaceae 42 counties