Index / States / Oklahoma / Washington
§1County listing — Oklahoma
Washington County
Oklahoma
- FIPS
- 40147
- Taxa recorded
- 1,607
- State
- Oklahoma
Filter
Showing 951–1,000 of 1,607.
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Nasturtium officinale W.T. Aiton Introduced NAOFwatercress · Brassicaceae -
Nekemias arborea (L.) J. Wen & Boggan Native NEAR5peppervine · Vitaceae -
Nelumbo lutea Willd. Native NELUAmerican lotus · Nelumbonaceae -
Nemastylis nuttallii Pickering ex R.C. Foster Native NENUNuttall's pleatleaf · Iridaceae -
Nemophila phacelioides Nutt. Native NEPHlargeflower baby blue eyes · Hydrophyllaceae -
Nepeta cataria L. Introduced NECA2catnip · Lamiaceae -
Nothoscordum bivalve (L.) Britton Native NOBI2crowpoison · Liliaceae -
Nuphar lutea (L.) Sm. Native NULUyellow pond-lily · Nymphaeaceae - Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi Native NULUAyellow pond-lily · Nymphaeaceae
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Nuttallanthus canadensis (L.) D.A. Sutton Native NUCACanada toadflax · Scrophulariaceae -
Nuttallanthus texanus (Scheele) D.A. Sutton Native NUTETexas toadflax · Scrophulariaceae -
Nymphoides peltata (S.G. Gmel.) Kuntze Introduced NYPEyellow floatingheart · Menyanthaceae -
Nyssa sylvatica Marshall Native NYSYblackgum · Cornaceae -
Oenothera filiformis (Small) W.L. Wagner & Hoch Native OEFI2longflower beeblossom · Onagraceae -
Oenothera fruticosa L. Native OEFRnarrowleaf evening primrose · Onagraceae - Oenothera fruticosa L. ssp. fruticosa Native OEFRFnarrowleaf evening primrose · Onagraceae
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Oenothera laciniata Hill Native OELAcutleaf evening primrose · Onagraceae -
Oenothera linifolia Nutt. Native OELIthreadleaf evening primrose · Onagraceae -
Oenothera speciosa Nutt. Native OESP2pinkladies · Onagraceae -
Oenothera triloba Nutt. Native OETR2stemless evening primrose · Onagraceae -
Oenothera villosa Thunb. Native OEVIhairy evening primrose · Onagraceae - Oenothera villosa Thunb. ssp. villosa Native OEVIVhairy evening primrose · Onagraceae
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Oligoneuron album (Nutt.) G.L. Nesom Native OLAL2prairie goldenrod · Asteraceae -
Oligoneuron rigidum (L.) Small Native OLRIstiff goldenrod · Asteraceae - Oligoneuron rigidum (L.) Small var. rigidum Native OLRIRstiff goldenrod · Asteraceae
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Onoclea sensibilis L. Native ONSEsensitive fern · Dryopteridaceae -
Onosmodium bejariense DC. ex A. DC. Native ONBEsoft-hair marbleseed · Boraginaceae - Onosmodium bejariense DC. ex A. DC. var. bejariense Native ONBEBsoft-hair marbleseed · Boraginaceae
- Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B.L. Turner Native ONBEOwestern marbleseed · Boraginaceae
- Onosmodium bejariense DC. ex A. DC. var. subsetosum (Mack. & Bush) B.L. Turner Native ONBESsofthair marbleseed · Boraginaceae
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Ophioglossum engelmannii Prantl Native OPENlimestone adderstongue · Ophioglossaceae -
Opuntia humifusa (Raf.) Raf. Native OPHUdevil's-tongue · Cactaceae -
Opuntia macrorhiza Engelm. Native OPMA2twistspine pricklypear · Cactaceae - Opuntia macrorhiza Engelm. var. macrorhiza Native OPMAM3twistspine pricklypear · Cactaceae
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Orbexilum pedunculatum (Mill.) Rydb. Native ORPESampson's snakeroot · Fabaceae - Orbexilum pedunculatum (Mill.) Rydb. var. pedunculatum Native ORPEP2Sampson's snakeroot · Fabaceae
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Ornithogalum umbellatum L. Introduced ORUMstar of Bethlehem · Liliaceae -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae -
Osmorhiza longistylis (Torr.) DC. Native OSLOlongstyle sweetroot · Apiaceae -
Osmunda regalis L. Native OSREroyal fern · Osmundaceae - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae
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Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae -
Oxalis corniculata L. Native OXCOcreeping woodsorrel · Oxalidaceae -
Oxalis dillenii Jacq. Native OXDI2slender yellow woodsorrel · Oxalidaceae -
Oxalis stricta L. Native OXSTcommon yellow oxalis · Oxalidaceae -
Oxalis violacea L. Native OXVIviolet woodsorrel · Oxalidaceae -
Oxypolis rigidior (L.) Raf. Native OXRIstiff cowbane · Apiaceae -
Packera aurea (L.) Á. Löve & D. Löve Native PAAU3golden ragwort · Asteraceae -
Packera glabella (Poir.) C. Jeffrey Native PAGL17butterweed · Asteraceae -
Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6roundleaf ragwort · Asteraceae