Mahoning County

Showing 601–650 of 944.

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  Platanthera lacera (Michx.) G. Don Native PLLA2

  green fringed orchid · Orchidaceae
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  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae
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  Poa cuspidata Nutt. Native POCU4

  early bluegrass · Poaceae
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  Poa sylvestris A. Gray Native POSY

  woodland bluegrass · Poaceae
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  Podophyllum peltatum L. Native POPE

  mayapple · Berberidaceae
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  Polemonium reptans L. Native PORE2

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

  Greek valerian · Polemoniaceae
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  Polygala sanguinea L. Native POSA3

  purple milkwort · Polygalaceae
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  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae
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  Polygala verticillata L. var. verticillata Native POVEV

  whorled milkwort · Polygalaceae
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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
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  Polygonatum pubescens (Willd.) Pursh Native POPU4

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

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

  longroot smartweed · Polygonaceae
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  Polygonum arifolium L. Native POAR6

  halberdleaf tearthumb · Polygonaceae
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  Polygonum aviculare L. Introduced POAV

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

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

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

  black bindweed · Polygonaceae
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  Polygonum convolvulus L. var. convolvulus Introduced POCOC2

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

  Japanese knotweed · Polygonaceae
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  Polygonum erectum L. Native POER2

  erect knotweed · Polygonaceae
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  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae
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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 sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae
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  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae
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  Polygonum virginianum L. Native POVI2

  jumpseed · 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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  Populus alba L. Introduced POAL7

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

  eastern cottonwood · 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
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  Potentilla canadensis L. Native POCA17

  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 recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae
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  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae
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  Prenanthes altissima L. Native PRAL3

  tall rattlesnakeroot · Asteraceae
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  Prosartes lanuginosa (Michx.) D. Don Native PRLA9

  yellow fairybells · Liliaceae
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  Proserpinaca palustris L. Native PRPA3

  marsh mermaidweed · Haloragaceae
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  Prunella vulgaris L. Native PRVU

  common selfheal · Lamiaceae
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  Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

  lance selfheal · Lamiaceae
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  Prunus americana Marshall Native PRAM

  American plum · Rosaceae