West Virginia

• Barbour 54001
  829 taxa Open ↗
• Berkeley 54003
  705 taxa Open ↗
• Boone 54005
  327 taxa Open ↗
• Braxton 54007
  709 taxa Open ↗
• Brooke 54009
  578 taxa Open ↗
• Cabell 54011
  647 taxa Open ↗
• Calhoun 54013
  739 taxa Open ↗
• Clay 54015
  284 taxa Open ↗
• Doddridge 54017
  349 taxa Open ↗
• Fayette 54019
  1,478 taxa Open ↗

Showing 1,901–1,950 of 2,838.

• 
  Polygonum cespitosum Blume, nom. inq. Introduced POCE4

  Oriental lady's thumb · Polygonaceae 25 counties
• 
  Polygonum cilinode Michx. Native POCI

  fringed black bindweed · Polygonaceae 5 counties
• 
  Polygonum convolvulus L. Introduced POCO10

  black bindweed · Polygonaceae 22 counties
• 
  Polygonum convolvulus L. var. convolvulus Introduced POCOC2

  black bindweed · Polygonaceae 22 counties
• 
  Polygonum cuspidatum Siebold & Zucc. Introduced POCU6

  Japanese knotweed · Polygonaceae 22 counties
• 
  Polygonum erectum L. Native POER2

  erect knotweed · Polygonaceae 17 counties
• 
  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae 22 counties
• 
  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae 31 counties
• 
  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae 14 counties
• 
  Polygonum orientale L. Introduced POOR2

  kiss me over the garden gate · Polygonaceae 12 counties
• 
  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae 41 counties
• 
  Polygonum perfoliatum L. Introduced POPE10

  Asiatic tearthumb · Polygonaceae 2 counties
• 
  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae 39 counties
• 
  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae 36 counties
• 
  Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett Native POPUC2

  dotted smartweed · Polygonaceae 17 counties
• 
  Polygonum punctatum Elliott var. punctatum Native POPUP4

  dotted smartweed · Polygonaceae 16 counties
• 
  Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4

  giant knotweed · Polygonaceae 7 counties
• 
  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae 38 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 41 counties
• 
  Polygonum scandens L. var. cristatum (Engelm. & A. Gray) Gleason Native POSCC

  climbing false buckwheat · Polygonaceae 26 counties
• 
  Polygonum tenue Michx. Native POTE2

  pleatleaf knotweed · Polygonaceae 11 counties
• 
  Polygonum virginianum L. Native POVI2

  jumpseed · Polygonaceae 34 counties
• 
  Polymnia canadensis L. Native POCA11

  whiteflower leafcup · Asteraceae 19 counties
• 
  Polypodium virginianum L. Native POVI7

  rock polypody · Polypodiaceae 45 counties
• 
  Polystichum acrostichoides (Michx.) Schott Native POAC4

  Christmas fern · Dryopteridaceae 55 counties
• 
  Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACA

  Christmas fern · Dryopteridaceae 24 counties
• 
  Polystichum acrostichoides (Michx.) Schott var. lonchitoides Brooks Native POACL

  Christmas fern · Dryopteridaceae 37 counties
• 
  Pontederia cordata L. Native POCO14

  pickerelweed · Pontederiaceae 3 counties
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae 38 counties
• 
  Populus balsamifera L. Native POBA2

  balsam poplar · Salicaceae 2 counties
• 
  Populus balsamifera L. ssp. balsamifera Native POBAB2

  balsam poplar · Salicaceae 2 counties
• 
  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae 27 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODED

  eastern cottonwood · Salicaceae 25 counties
• 
  Populus grandidentata Michx. Native POGR4

  bigtooth aspen · Salicaceae 45 counties
• 
  Populus nigra L. Introduced PONI

  Lombardy poplar · Salicaceae 18 counties
• 
  Populus tremuloides Michx. Native POTR5

  quaking aspen · Salicaceae 13 counties
• 
  Populus ×canadensis Moench (pro sp.) [deltoides × nigra] Native POCA19

  Carolina poplar · Salicaceae 3 counties
• ⚘
  Populus ×jackii Sarg. [balsamifera × deltoides] Native POJA2

  balm-of-Gilead · Salicaceae 14 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 13 counties
• 
  Potamogeton amplifolius Tuck. Native POAM5

  largeleaf pondweed · Potamogetonaceae 7 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 8 counties
• 
  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae 23 counties
• 
  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae 18 counties
• 
  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae 16 counties
• 
  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae 16 counties
• 
  Potamogeton gramineus L. Native POGR8

  variableleaf pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton natans L. Native PONA4

  floating pondweed · Potamogetonaceae 1 county
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae 15 counties
• 
  Potamogeton oakesianus J.W. Robbins Native POOA

  Oakes' pondweed · Potamogetonaceae 1 county