Index / States / Oregon / Washington
§1County listing — Oregon
Washington County
Oregon
- FIPS
- 41067
- Taxa recorded
- 1,527
- State
- Oregon
Filter
Showing 51–100 of 1,527.
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Allium tolmiei (Hook.) Baker ex S. Watson var. persimile Ownbey Native ALTOPsevendevils onion · Liliaceae - Allium tolmiei (Hook.) Baker ex S. Watson var. tolmiei Native ALTOTTolmie's onion · Liliaceae
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Allium validum S. Watson Native ALVAPacific onion · Liliaceae -
Allium vineale L. Introduced ALVIwild garlic · Liliaceae - Allium vineale L. ssp. vineale Introduced ALVIVwild garlic · Liliaceae
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Alnus incana (L.) Moench Native ALIN2gray alder · Betulaceae - Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung Native ALINTthinleaf alder · Betulaceae
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Alnus rhombifolia Nutt. Native ALRH2white alder · Betulaceae -
Alnus rubra Bong. Native ALRU2red alder · Betulaceae -
Alopecurus aequalis Sobol. Native ALAEshortawn foxtail · Poaceae - Alopecurus aequalis Sobol. var. aequalis Native ALAEAshortawn foxtail · Poaceae
- Alopecurus geniculatus L. Introduced ALGE2water foxtail · Poaceae
- Alopecurus geniculatus L. var. geniculatus Introduced ALGEG4water foxtail · Poaceae
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Alopecurus pratensis L. Introduced ALPR3meadow foxtail · Poaceae -
Alyssum alyssoides (L.) L. Introduced ALAL3pale madwort · Brassicaceae -
Amaranthus albus L. Introduced AMALprostrate pigweed · Amaranthaceae -
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae -
Ambrosia acanthicarpa Hook. Native AMAC2flatspine bur ragweed · Asteraceae -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae - Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMAREannual ragweed · Asteraceae
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Ambrosia psilostachya DC. Native AMPSCuman ragweed · Asteraceae -
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2Saskatoon serviceberry · Rosaceae - Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. semiintegrifolia (Hook.) C.L. Hitchc. Native AMALSSaskatoon serviceberry · Rosaceae
- Amelanchier pumila (Torr. & A. Gray) Nutt. ex M. Roem. Native AMPU5dwarf serviceberry · Rosaceae
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Amelanchier utahensis Koehne Native AMUTUtah serviceberry · Rosaceae - Amelanchier utahensis Koehne var. utahensis Native AMUTUUtah serviceberry · Rosaceae
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Amsinckia lycopsoides Lehm. Native AMLYtarweed fiddleneck · Boraginaceae -
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. Native AMMEMenzies' fiddleneck · Boraginaceae - Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders Native AMMEI2common fiddleneck · Boraginaceae
- Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. menziesii Native AMMEM2Menzies' fiddleneck · Boraginaceae
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Amsinckia tessellata A. Gray Native AMTE3bristly fiddleneck · Boraginaceae - Amsinckia tessellata A. Gray var. tessellata Native AMTETbristly fiddleneck · Boraginaceae
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Anagallis arvensis L. Introduced ANARscarlet pimpernel · Primulaceae - Anagallis arvensis L. ssp. arvensis Introduced ANARA7scarlet pimpernel · Primulaceae
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Anaphalis margaritacea (L.) Benth. Native ANMAwestern pearly everlasting · Asteraceae -
Ancistrocarphus filagineus A. Gray Native ANFI3false neststraw · Asteraceae -
Androsace filiformis Retz. Native ANFIfiliform rockjasmine · Primulaceae -
Anemone deltoidea Hook. Native ANDE3Columbian windflower · Ranunculaceae -
Anemone lyallii Britton Native ANLYLittle Mountain thimbleweed · Ranunculaceae -
Angelica canbyi J.M. Coult. & Rose Native ANCA11Canby's angelica · Apiaceae -
Antennaria anaphaloides Rydb. Native ANAN2pearly pussytoes · Asteraceae -
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2low pussytoes · Asteraceae -
Antennaria flagellaris (A. Gray) A. Gray Native ANFL2whip pussytoes · Asteraceae -
Antennaria howellii Greene Native ANHOHowell's pussytoes · Asteraceae - Antennaria howellii Greene ssp. howellii Native ANHOHHowell's pussytoes · Asteraceae
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Antennaria luzuloides Torr. & A. Gray Native ANLU2rush pussytoes · Asteraceae - Antennaria luzuloides Torr. & A. Gray ssp. luzuloides Native ANLULrush pussytoes · Asteraceae
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Antennaria racemosa Hook. Native ANRAraceme pussytoes · Asteraceae -
Antennaria stenophylla (A. Gray) A. Gray Native ANST2narrowleaf pussytoes · Asteraceae -
Anthemis arvensis L. Introduced ANAR6corn chamomile · Asteraceae