Index / States / Oregon / Washington
§1County listing — Oregon
Washington County
Oregon
- FIPS
- 41067
- Taxa recorded
- 1,527
- State
- Oregon
Filter
Showing 901–950 of 1,206 (native).
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Polygonum amphibium L. var. emersum Michx. Native POAMElongroot smartweed · Polygonaceae -
Polygonum douglasii Greene Native PODO4Douglas' knotweed · Polygonaceae - Polygonum douglasii Greene ssp. majus (Meisn.) J.C. Hickman Native PODOM2large knotweed · Polygonaceae
- Polygonum douglasii Greene ssp. spergulariiforme (Meisn. ex Small) J.C. Hickman Native PODOS2scatter knotweed · Polygonaceae
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Polygonum hydropiperoides Michx. Native POHY2swamp smartweed · Polygonaceae -
Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae -
Polygonum polygaloides Wall. ex Meisn. Native POPO4milkwort knotweed · Polygonaceae - Polygonum polygaloides Wall. ex Meisn. ssp. kelloggii (Greene) J.C. Hickman Native POPOKKellogg's knotweed · Polygonaceae
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Polypodium glycyrrhiza D.C. Eaton Native POGL8licorice fern · Polypodiaceae -
Polystichum munitum (Kaulf.) C. Presl Native POMUwestern swordfern · Dryopteridaceae -
Populus balsamifera L. Native POBA2balsam poplar · Salicaceae - Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray ex Hook.) Brayshaw Native POBATblack cottonwood · Salicaceae
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Populus tremuloides Michx. Native POTR5quaking aspen · Salicaceae -
Potamogeton foliosus Raf. Native POFO3leafy pondweed · Potamogetonaceae - Potamogeton foliosus Raf. ssp. foliosus Native POFOF4leafy pondweed · Potamogetonaceae
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Potamogeton zosteriformis Fernald Native POZOflatstem pondweed · Potamogetonaceae -
Potentilla glandulosa Lindl. Native POGL9sticky cinquefoil · Rosaceae - Potentilla glandulosa Lindl. ssp. pseudorupestris (Rydb.) D.D. Keck Native POGLPsticky cinquefoil · Rosaceae
- Potentilla glandulosa Lindl. ssp. reflexa (Greene) D.D. Keck Native POGLR3sticky cinquefoil · Rosaceae
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Potentilla gracilis Douglas ex Hook. Native POGR9slender cinquefoil · Rosaceae - Potentilla gracilis Douglas ex Hook. var. fastigiata (Nutt.) S. Watson Native POGRF2slender cinquefoil · Rosaceae
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Potentilla rivalis Nutt. Native PORI3brook cinquefoil · Rosaceae -
Primula cusickiana (A. Gray) A. Gray Native PRCU2Cusick's primrose · Primulaceae - Primula cusickiana (A. Gray) A. Gray var. cusickiana Native PRCUC2Cusick's primrose · Primulaceae
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Prosartes hookeri Torr. Native PRHO2drops-of-gold · Liliaceae - Prosartes hookeri Torr. var. oregana (S. Watson) Kartesz Native PRHOOOregon drops of gold · Liliaceae
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Prosartes smithii (Hook.) Utech, Shinwari & Kawano Native PRSMlargeflower fairybells · Liliaceae -
Prosartes trachycarpa S. Watson Native PRTR4roughfruit fairybells · Liliaceae -
Prunella vulgaris L. Native PRVUcommon selfheal · Lamiaceae - Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2lance selfheal · Lamiaceae
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Prunus emarginata (Douglas ex Hook.) D. Dietr. Native PREMbitter cherry · Rosaceae - Prunus emarginata (Douglas ex Hook.) D. Dietr. var. emarginata Native PREMEbitter cherry · Rosaceae
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Prunus virginiana L. Native PRVIchokecherry · Rosaceae - Prunus virginiana L. var. demissa (Nutt.) Torr. Native PRVIDwestern chokecherry · Rosaceae
- Prunus virginiana L. var. melanocarpa (A. Nelson) Sarg. Native PRVIMblack chokecherry · Rosaceae
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Pseudognaphalium stramineum (Kunth) Anderb. Native PSST7cottonbatting plant · Asteraceae -
Pseudoroegneria spicata (Pursh) Á. Löve Native PSSP6bluebunch wheatgrass · Poaceae - Pseudoroegneria spicata (Pursh) Á. Löve ssp. spicata Native PSSPSbluebunch wheatgrass · Poaceae
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Pseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartm. Native PSJA2tuber starwort · Caryophyllaceae -
Pseudotsuga menziesii (Mirb.) Franco Native PSMEDouglas-fir · Pinaceae - Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco Native PSMEGRocky Mountain Douglas-fir · Pinaceae
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Psilocarphus elatior (A. Gray) A. Gray Native PSELmeadow woollyheads · Asteraceae -
Psoralidium lanceolatum (Pursh) Rydb. Native PSLA3lemon scurfpea · Fabaceae -
Pteridium aquilinum (L.) Kuhn Native PTAQwestern brackenfern · Dennstaedtiaceae - Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Native PTAQP2hairy brackenfern · Dennstaedtiaceae
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Purshia tridentata (Pursh) DC. Native PUTR2antelope bitterbrush · Rosaceae -
Pyrola asarifolia Michx. Native PYASliverleaf wintergreen · Pyrolaceae -
Pyrola picta Sm. Native PYPI2whiteveined wintergreen · Pyrolaceae -
Pyrrocoma carthamoides Hook. Native PYCA3largeflower goldenweed · Asteraceae - Pyrrocoma carthamoides Hook. var. carthamoides Native PYCAC2largeflower goldenweed · Asteraceae