Snohomish County

Showing 751–800 of 1,092.

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  Polygonum davisiae W.H. Brewer ex A. Gray Native PODA

  Davis' knotweed · Polygonaceae
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  Polygonum douglasii Greene Native PODO4

  Douglas' knotweed · Polygonaceae
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  Polygonum douglasii Greene ssp. douglasii Native PODOD4

  Douglas' knotweed · Polygonaceae
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  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae
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  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
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  Polygonum minimum S. Watson Native POMI2

  broadleaf knotweed · Polygonaceae
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  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae
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  Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4

  giant knotweed · Polygonaceae
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  Polypodium amorphum Suksd. Native POAM7

  irregular polypody · Polypodiaceae
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  Polypodium glycyrrhiza D.C. Eaton Native POGL8

  licorice fern · Polypodiaceae
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  Polypodium hesperium Maxon Native POHE3

  western polypody · Polypodiaceae
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  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae
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  Polystichum andersonii Hopkins Native POAN2

  Anderson's hollyfern · Dryopteridaceae
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  Polystichum kruckebergii W.H. Wagner Native POKR

  Kruckeberg's hollyfern · Dryopteridaceae
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  Polystichum lonchitis (L.) Roth Native POLO4

  northern hollyfern · Dryopteridaceae
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  Polystichum munitum (Kaulf.) C. Presl Native POMU

  western swordfern · Dryopteridaceae
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  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae
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  Potamogeton amplifolius Tuck. Native POAM5

  largeleaf pondweed · Potamogetonaceae
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  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae
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  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae
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  Potamogeton pusillus L. ssp. tenuissimus (Mert. & W.D.J. Koch) Haynes & C.B. Hellquist Native POPUT3

  small pondweed · Potamogetonaceae
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  Potentilla flabellifolia Hook. ex Torr. & A. Gray Native POFL3

  high mountain cinquefoil · Rosaceae
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  Potentilla glandulosa Lindl. Native POGL9

  sticky cinquefoil · Rosaceae
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  Potentilla gracilis Douglas ex Hook. Native POGR9

  slender cinquefoil · Rosaceae
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  Potentilla gracilis Douglas ex Hook. var. flabelliformis (Lehm.) Nutt. ex Torr. & A. Gray Native POGRF

  slender 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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  Prenanthes alata (Hook.) D. Dietr. Native PRAL

  western rattlesnakeroot · Asteraceae
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  Prosartes hookeri Torr. Native PRHO2

  drops-of-gold · Liliaceae
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  Prosartes hookeri Torr. var. oregana (S. Watson) Kartesz Native PRHOO

  Oregon drops of gold · Liliaceae
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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 emarginata (Douglas ex Hook.) D. Dietr. Native PREM

  bitter cherry · Rosaceae
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  Prunus emarginata (Douglas ex Hook.) D. Dietr. var. emarginata Native PREME

  bitter cherry · Rosaceae
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  Prunus emarginata (Douglas ex Hook.) D. Dietr. var. mollis (Douglas ex Hook.) W.H. Brewer Native PREMM

  bitter cherry · Rosaceae
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  Prunus laurocerasus L. Introduced PRLA5

  cherry laurel · Rosaceae
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  Prunus lusitanica L. Introduced PRLU

  Portugal laurel · Rosaceae
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  Prunus padus L. Introduced PRPA5

  European bird cherry · Rosaceae
• ⚘
  Prunus ×pugetensis Jacobson & Zika [avium × emarginata] Introduced PRPU4

  Puget cherry · Rosaceae
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  Pseudotsuga menziesii (Mirb.) Franco Native PSME

  Douglas-fir · Pinaceae
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  Pseudotsuga menziesii (Mirb.) Franco var. menziesii Native PSMEM

  Douglas-fir · Pinaceae
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  Pteridium aquilinum (L.) Kuhn Native PTAQ

  western brackenfern · Dennstaedtiaceae
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  Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Native PTAQP2

  hairy brackenfern · Dennstaedtiaceae
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  Puccinellia distans (Jacq.) Parl. Both PUDI

  weeping alkaligrass · Poaceae
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  Puccinellia distans (Jacq.) Parl. ssp. distans Introduced PUDID

  weeping alkaligrass · Poaceae
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  Pyrola asarifolia Michx. Native PYAS

  liverleaf wintergreen · Pyrolaceae
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  Pyrola asarifolia Michx. ssp. asarifolia Native PYASA

  liverleaf wintergreen · Pyrolaceae
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  Pyrola asarifolia Michx. ssp. bracteata (Hook.) Haber Native PYASB2

  pink wintergreen · Pyrolaceae
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  Pyrola picta Sm. Native PYPI2

  whiteveined wintergreen · Pyrolaceae