Richland County

Showing 551–600 of 874.

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  Pilea pumila (L.) A. Gray var. pumila Native PIPUP

  Canadian clearweed · Urticaceae
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  Plantago lanceolata L. Introduced PLLA

  narrowleaf plantain · Plantaginaceae
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  Plantago major L. Introduced PLMA2

  common plantain · Plantaginaceae
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  Plantago rugelii Decne. Native PLRU

  blackseed plantain · Plantaginaceae
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  Plantago rugelii Decne. var. rugelii Native PLRUR

  blackseed plantain · Plantaginaceae
• 
  Platanthera clavellata (Michx.) Luer Native PLCL

  small green wood orchid · Orchidaceae
• 
  Platanthera lacera (Michx.) G. Don Native PLLA2

  green fringed orchid · Orchidaceae
• 
  Platanthera psycodes (L.) Lindl. Native PLPS2

  lesser purple fringed orchid · Orchidaceae
• 
  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae
• 
  Poa alsodes A. Gray Native POAL3

  grove bluegrass · Poaceae
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  Poa sylvestris A. Gray Native POSY

  woodland bluegrass · Poaceae
• 
  Podophyllum peltatum L. Native POPE

  mayapple · Berberidaceae
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  Pogonia ophioglossoides (L.) Ker Gawl. Native POOP

  snakemouth orchid · Orchidaceae
• 
  Polemonium reptans L. Native PORE2

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

  Greek valerian · Polemoniaceae
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  Polygonatum biflorum (Walter) Elliott Native POBI2

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

  smooth Solomon's seal · Liliaceae
• 
  Polygonatum pubescens (Willd.) Pursh Native POPU4

  hairy Solomon's seal · Liliaceae
• 
  Polygonum amphibium L. Native POAM8

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

  longroot smartweed · Polygonaceae
• 
  Polygonum arifolium L. Native POAR6

  halberdleaf tearthumb · Polygonaceae
• 
  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae
• 
  Polygonum erectum L. Native POER2

  erect knotweed · Polygonaceae
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  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae
• 
  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae
• 
  Polygonum orientale L. Introduced POOR2

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

  Pennsylvania smartweed · Polygonaceae
• 
  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae
• 
  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae
• 
  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae
• 
  Polygonum virginianum L. Native POVI2

  jumpseed · Polygonaceae
• 
  Polypodium virginianum L. Native POVI7

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

  Christmas fern · Dryopteridaceae
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae
• 
  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae
• 
  Populus grandidentata Michx. Native POGR4

  bigtooth aspen · Salicaceae
• 
  Populus heterophylla L. Native POHE4

  swamp cottonwood · Salicaceae
• 
  Populus tremuloides Michx. Native POTR5

  quaking aspen · Salicaceae
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae
• 
  Potentilla canadensis L. Native POCA17

  dwarf cinquefoil · Rosaceae
• 
  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
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae
• 
  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae
• 
  Prenanthes altissima L. Native PRAL3

  tall rattlesnakeroot · Asteraceae
• 
  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae
• 
  Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOL

  ram's horn · Pedaliaceae
• 
  Prosartes lanuginosa (Michx.) D. Don Native PRLA9

  yellow fairybells · Liliaceae