Knox County

Showing 901–950 of 1,348.

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  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae
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  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
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  Polygonum orientale L. Introduced POOR2

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

  Pennsylvania smartweed · Polygonaceae
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  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae
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  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae
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  Polygonum ramosissimum Michx. Native PORA3

  bushy knotweed · Polygonaceae
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  Polygonum ramosissimum Michx. var. ramosissimum Native PORAR

  bushy knotweed · Polygonaceae
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  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae
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  Polypodium virginianum L. Native POVI7

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

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

  Christmas fern · Dryopteridaceae
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  Pontederia cordata L. Native POCO14

  pickerelweed · Pontederiaceae
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  Populus alba L. Introduced POAL7

  white poplar · Salicaceae
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  Populus balsamifera L. Native POBA2

  balsam poplar · Salicaceae
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  Populus balsamifera L. ssp. balsamifera Native POBAB2

  balsam poplar · Salicaceae
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  Populus grandidentata Michx. Native POGR4

  bigtooth aspen · Salicaceae
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  Populus tremuloides Michx. Native POTR5

  quaking aspen · Salicaceae
• ⚘
  Populus ×jackii Sarg. [balsamifera × deltoides] Native POJA2

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

  little hogweed · Portulacaceae
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  Potamogeton bicupulatus Fernald Native POBI9

  snailseed pondweed · Potamogetonaceae
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  Potamogeton confervoides Rchb. Native POCO12

  Tuckerman's pondweed · Potamogetonaceae
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  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae
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  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae
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  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae
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  Potamogeton gramineus L. Native POGR8

  variableleaf pondweed · Potamogetonaceae
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  Potamogeton natans L. Native PONA4

  floating pondweed · Potamogetonaceae
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  Potamogeton nodosus Poir. Native PONO2

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

  Oakes' pondweed · Potamogetonaceae
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  Potamogeton obtusifolius Mert. & W.D.J. Koch Native POOB2

  bluntleaf pondweed · Potamogetonaceae
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  Potamogeton perfoliatus L. Native POPE7

  claspingleaf pondweed · Potamogetonaceae
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  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae
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  Potamogeton pusillus L. ssp. gemmiparus (J.W. Robbins) Haynes & C.B. Hellquist Native POPUG4

  small pondweed · Potamogetonaceae
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  Potamogeton robbinsii Oakes Native PORO2

  Robbins' pondweed · Potamogetonaceae
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  Potamogeton spirillus Tuck. Native POSP3

  spiral pondweed · Potamogetonaceae
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  Potentilla anglica Laicharding Introduced POAN7

  English cinquefoil · Rosaceae
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  Potentilla argentea L. Introduced POAR8

  silver cinquefoil · Rosaceae
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  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae
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  Potentilla canadensis L. Native POCA17

  dwarf cinquefoil · Rosaceae
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  Potentilla canadensis L. var. canadensis Native POCAC2

  dwarf cinquefoil · Rosaceae
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  Potentilla norvegica L. Native PONO3

  Norwegian cinquefoil · Rosaceae
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  Potentilla norvegica L. ssp. monspeliensis (L.) Asch. & Graebn. Native PONOM

  Norwegian cinquefoil · Rosaceae
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  Potentilla pensylvanica L. Native POPE8

  Pennsylvania cinquefoil · Rosaceae
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  Potentilla pensylvanica L. var. litoralis (Rydb.) B. Boivin Native POPEL

  Pennsylvania cinquefoil · Rosaceae
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  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae
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  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae
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  Prenanthes alba L. Native PRAL2

  white rattlesnakeroot · Asteraceae
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  Prenanthes altissima L. Native PRAL3

  tall rattlesnakeroot · Asteraceae
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  Prenanthes trifoliolata (Cass.) Fernald Native PRTR

  gall of the earth · Asteraceae
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  Proserpinaca palustris L. Native PRPA3

  marsh mermaidweed · Haloragaceae