Index / States / Oregon / Multnomah
§1County listing — Oregon
Multnomah County
Oregon
- FIPS
- 41051
- Taxa recorded
- 1,590
- State
- Oregon
Filter
Showing 101–150 of 1,590.
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Arabis nuttallii B.L. Rob. Native ARNUNuttall's rockcress · Brassicaceae -
Arabis sparsiflora Nutt. Native ARSPsicklepod rockcress · Brassicaceae - Arabis sparsiflora Nutt. var. atrorubens (Suksd. ex Greene) Rollins Native ARSPA2elegant rockcress · Brassicaceae
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Aralia elata (Miq.) Seem. Introduced AREL8Japanese angelica tree · Araliaceae -
Arbutus menziesii Pursh Native ARMEPacific madrone · Ericaceae -
Arctium lappa L. Introduced ARLA3greater burdock · Asteraceae - Arctium minus Bernh. Introduced ARMI2lesser burdock · Asteraceae
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Arctostaphylos nevadensis A. Gray Native ARNEpinemat manzanita · Ericaceae -
Arctostaphylos uva-ursi (L.) Spreng. Native ARUVkinnikinnick · Ericaceae -
Arenaria serpyllifolia L. Introduced ARSE2thymeleaf sandwort · Caryophyllaceae -
Argentina anserina (L.) Rydb. Native ARAN7silverweed cinquefoil · Rosaceae -
Argusia sibirica (L.) Dandy Introduced ARSI5Siberian sea rosemary · Boraginaceae -
Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4horseradish · Brassicaceae - Arnica amplexicaulis Nutt. Native ARAM2clasping arnica · Asteraceae
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Arnica latifolia Bong. Native ARLA8broadleaf arnica · Asteraceae -
Arnica ×diversifolia Greene (pro sp.) [amplexicaulis or mollis × cordifolia or latifolia] Native ARDI7rayless arnica · Asteraceae -
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl Introduced AREL3tall oatgrass · Poaceae - Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. bulbosum (Willd.) Spenner Introduced ARELBtall oatgrass · Poaceae
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Artemisia absinthium L. Introduced ARAB3absinthium · Asteraceae -
Artemisia annua L. Introduced ARAN3sweet sagewort · Asteraceae -
Artemisia biennis Willd. Both ARBI2biennial wormwood · Asteraceae - Artemisia biennis Willd. var. biennis Introduced ARBIBbiennial wormwood · Asteraceae
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Artemisia douglasiana Besser Native ARDO3Douglas' sagewort · Asteraceae -
Artemisia dracunculus L. Native ARDR4tarragon · Asteraceae - Artemisia lindleyana Besser Native ARLI2Columbia River wormwood · Asteraceae
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Artemisia ludoviciana Nutt. Both ARLUwhite sagebrush · Asteraceae - Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2white sagebrush · Asteraceae
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Artemisia suksdorfii Piper Native ARSU4coastal wormwood · Asteraceae -
Artemisia tilesii Ledeb. Native ARTITilesius' wormwood · Asteraceae - Artemisia tilesii Ledeb. ssp. elatior (Torr. & A. Gray) Hultén Native ARTIETilesius' wormwood · Asteraceae
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Arum italicum Mill. Introduced ARITItalian lords and ladies · Araceae -
Aruncus dioicus (Walter) Fernald Both ARDI8bride's feathers · Rosaceae - Aruncus dioicus (Walter) Fernald var. acuminatus (Rydb.) Rydb. ex H. Hara Native ARDIAbride's feathers · Rosaceae
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Asarum caudatum Lindl. Native ASCA2British Columbia wildginger · Aristolochiaceae -
Asparagus officinalis L. Introduced ASOFgarden asparagus · Liliaceae -
Asperugo procumbens L. Introduced ASPRGerman-madwort · Boraginaceae -
Asplenium trichomanes L. Native ASTR2maidenhair spleenwort · Aspleniaceae -
Astragalus reventiformis (Rydb.) Barneby Native ASRE6Yakima milkvetch · Fabaceae -
Astragalus umbraticus Sheldon Native ASUM3Bald Mountain milkvetch · Fabaceae -
Athyrium filix-femina (L.) Roth Native ATFIcommon ladyfern · Dryopteridaceae - Athyrium filix-femina (L.) Roth ssp. cyclosorum (Rupr.) C. Chr. Native ATFICsubarctic ladyfern · Dryopteridaceae
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Atriplex hortensis L. Introduced ATHOgarden orache · Chenopodiaceae -
Atriplex patula L. Introduced ATPA4spear saltbush · Chenopodiaceae -
Atriplex rosea L. Introduced ATROtumbling saltweed · Chenopodiaceae -
Avena fatua L. Introduced AVFAwild oat · Poaceae - Avena sativa L. Introduced AVSAcommon oat · Poaceae
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Azolla filiculoides Lam. Native AZFIPacific mosquitofern · Azollaceae -
Azolla microphylla Kaulf. Native AZMIMexican Mosquito Fern · Azollaceae -
Ballota nigra L. Introduced BANIblack horehound · Lamiaceae - Ballota nigra L. var. nigra Introduced BANINblack horehound · Lamiaceae