Knox County

Showing 801–850 of 1,348.

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  Oryzopsis asperifolia Michx. Native ORAS

  roughleaf ricegrass · Poaceae
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  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

  Clayton's sweetroot · Apiaceae
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  Osmorhiza longistylis (Torr.) DC. Native OSLO

  longstyle sweetroot · Apiaceae
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  Osmunda cinnamomea L. Native OSCI

  cinnamon fern · Osmundaceae
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  Osmunda cinnamomea L. var. cinnamomea Native OSCIC

  cinnamon fern · Osmundaceae
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  Osmunda claytoniana L. Native OSCL2

  interrupted fern · Osmundaceae
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  Osmunda regalis L. Native OSRE

  royal fern · Osmundaceae
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  Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRES

  royal fern · Osmundaceae
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  Ostrya virginiana (Mill.) K. Koch Native OSVI

  hophornbeam · Betulaceae
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  Oxalis montana Raf. Native OXMO

  mountain woodsorrel · Oxalidaceae
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  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae
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  Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve Native PASC19

  Schweinitz's ragwort · Asteraceae
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  Panax trifolius L. Native PATR2

  dwarf ginseng · Araliaceae
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  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
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  Panicum miliaceum L. Introduced PAMI2

  proso millet · Poaceae
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  Panicum miliaceum L. ssp. miliaceum Introduced PAMIM

  broomcorn millet · Poaceae
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  Panicum philadelphicum Bernh. ex Trin. Native PAPH

  Philadelphia panicgrass · Poaceae
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  Papaver rhoeas L. Introduced PARH2

  corn poppy · Papaveraceae
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  Parthenocissus quinquefolia (L.) Planch. Native PAQU2

  Virginia creeper · Vitaceae
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  Parthenocissus vitacea (Knerr) Hitchc. Native PAVI5

  woodbine · Vitaceae
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  Pastinaca sativa L. Introduced PASA2

  wild parsnip · Apiaceae
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  Pedicularis canadensis L. Native PECA

  Canadian lousewort · Scrophulariaceae
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  Pedicularis canadensis L. ssp. canadensis Native PECAC3

  Canadian lousewort · Scrophulariaceae
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  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae
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  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae
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  Petasites frigidus (L.) Fr. Native PEFR5

  arctic sweet coltsfoot · Asteraceae
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  Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist Native PEFRP

  arctic sweet coltsfoot · Asteraceae
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  Phalaris arundinacea L. Native PHAR3

  reed canarygrass · Poaceae
• 
  Phalaris canariensis L. Introduced PHCA5

  annual canarygrass · Poaceae
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  Phegopteris connectilis (Michx.) Watt Native PHCO24

  long beechfern · Thelypteridaceae
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  Phegopteris hexagonoptera (Michx.) Fée Native PHHE11

  broad beechfern · Thelypteridaceae
• 
  Phleum pratense L. Introduced PHPR3

  timothy · Poaceae
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  Phlox paniculata L. Native PHPA9

  fall phlox · Polemoniaceae
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  Phlox subulata L. Native PHSU3

  moss phlox · Polemoniaceae
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  Phlox subulata L. ssp. subulata Native PHSUS2

  moss phlox · Polemoniaceae
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  Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

  common reed · Poaceae
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  Phragmites australis (Cav.) Trin. ex Steud. ssp. australis Introduced PHAUA7

  European common reed · Poaceae
• 
  Physalis alkekengi L. Introduced PHAL5

  strawberry groundcherry · Solanaceae
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  Physalis heterophylla Nees Native PHHE5

  clammy groundcherry · Solanaceae
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  Physalis heterophylla Nees var. heterophylla Native PHHEH3

  clammy groundcherry · Solanaceae
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  Physocarpus opulifolius (L.) Maxim. var. opulifolius Native PHOPO

  common ninebark · Rosaceae
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  Physocarpus opulifolius (L.) Maxim., orth. cons. Native PHOP

  common ninebark · Rosaceae
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  Picea glauca (Moench) Voss Native PIGL

  white spruce · Pinaceae
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  Picea mariana (Mill.) Britton, Sterns & Poggenb. Native PIMA

  black spruce · Pinaceae
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  Picea rubens Sarg. Native PIRU

  red spruce · Pinaceae
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  Pilea pumila (L.) A. Gray Native PIPU2

  Canadian clearweed · Urticaceae
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  Pilea pumila (L.) A. Gray var. pumila Native PIPUP

  Canadian clearweed · Urticaceae
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  Pimpinella saxifraga L. Introduced PISA

  solidstem burnet saxifrage · Apiaceae
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  Pimpinella saxifraga L. ssp. saxifraga Introduced PISAS

  solidstem burnet saxifrage · Apiaceae
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  Pinus resinosa Aiton Native PIRE

  red pine · Pinaceae