§1State listing — Pacific
Oregon
a regional flora of 36 counties
- State code
- OR · FIPS 41
- Taxa recorded
- 5,518
- Counties
- 36
§2Counties
Drill down to a county
- Baker 410011,572 taxa Open ↗
- Benton 410031,855 taxa Open ↗
- Clackamas 410051,485 taxa Open ↗
- Clatsop 41007979 taxa Open ↗
- Columbia 410091,183 taxa Open ↗
- Coos 410111,238 taxa Open ↗
- Crook 410131,354 taxa Open ↗
- Curry 410151,738 taxa Open ↗
- Deschutes 410171,482 taxa Open ↗
- Douglas 410192,250 taxa Open ↗
- Gilliam 41021446 taxa Open ↗
- Grant 410231,454 taxa Open ↗
- Harney 410252,035 taxa Open ↗
- Hood River 410271,388 taxa Open ↗
- Jackson 410292,580 taxa Open ↗
- Jefferson 410311,315 taxa Open ↗
- Josephine 410332,174 taxa Open ↗
- Klamath 410351,971 taxa Open ↗
- Lake 410371,726 taxa Open ↗
- Lane 410392,220 taxa Open ↗
- Lincoln 41041871 taxa Open ↗
- Linn 410431,680 taxa Open ↗
- Malheur 410451,442 taxa Open ↗
- Marion 410471,752 taxa Open ↗
- Morrow 41049564 taxa Open ↗
- Multnomah 410511,590 taxa Open ↗
- Polk 41053971 taxa Open ↗
- Sherman 41055525 taxa Open ↗
- Tillamook 41057843 taxa Open ↗
- Umatilla 410591,444 taxa Open ↗
- Union 410611,559 taxa Open ↗
- Wallowa 410631,929 taxa Open ↗
- Wasco 410651,534 taxa Open ↗
- Washington 410671,527 taxa Open ↗
- Wheeler 41069980 taxa Open ↗
- Yamhill 41071871 taxa Open ↗
§3Catalogue
All taxa recorded in Oregon
Filter
Showing 1,451–1,500 of 5,518.
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Coptis trifolia (L.) Salisb. Native COTR2threeleaf goldthread · Ranunculaceae 2 counties -
Corallorhiza maculata (Raf.) Raf. Native COMA25summer coralroot · Orchidaceae 29 counties -
Corallorhiza mertensiana Bong. Native COME17Pacific coralroot · Orchidaceae 21 counties -
Corallorhiza striata Lindl. Native COST19hooded coralroot · Orchidaceae 24 counties - Corallorhiza striata Lindl. var. striata Native COSTS3hooded coralroot · Orchidaceae 14 counties
- Corallorhiza striata Lindl. var. vreelandii (Rydb.) L.O. Williams Native COSTV2Vreeland's coralroot · Orchidaceae 3 counties
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Corallorhiza trifida Chatelain Native COTR18yellow coralroot · Orchidaceae 10 counties -
Corallorhiza wisteriana Conrad Native COWI5spring coralroot · Orchidaceae 1 county -
Cordylanthus capitatus Nutt. ex Benth. Native COCA7Yakima bird's-beak · Scrophulariaceae 6 counties -
Cordylanthus maritimus Nutt. ex Benth. Native COMA5saltmarsh bird's-beak · Scrophulariaceae 5 counties - Cordylanthus maritimus Nutt. ex Benth. ssp. canescens (A. Gray) T.I. Chuang & Heckard Native COMACsaltmarsh bird's-beak · Scrophulariaceae 2 counties
- Cordylanthus maritimus Nutt. ex Benth. ssp. palustris (Behr) T.I. Chuang & Heckard Native COMAPPt. Reyes bird's-beak · Scrophulariaceae 3 counties
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Cordylanthus ramosus Nutt. ex Benth. Native CORA5bushy bird's beak · Scrophulariaceae 11 counties -
Cordylanthus tenuis A. Gray Native COTE3slender bird's beak · Scrophulariaceae 6 counties - Cordylanthus tenuis A. Gray ssp. viscidus (Howell) T.I. Chuang & Heckard Native COTEVslender bird's beak · Scrophulariaceae 6 counties
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Coreopsis lanceolata L. Native COLA5lanceleaf tickseed · Asteraceae 2 counties -
Coreopsis tinctoria Nutt. Native COTI3golden tickseed · Asteraceae 9 counties - Coreopsis tinctoria Nutt. var. atkinsoniana (Douglas ex Lindl.) H.M. Parker ex E.B. Sm. Native COTIAAtkinson's tickseed · Asteraceae 8 counties
- Coreopsis tinctoria Nutt. var. tinctoria Native COTITgolden tickseed · Asteraceae 1 county
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Corethrogyne filaginifolia (Hook. & Arn.) Nutt. Native COFI2common sandaster · Asteraceae 3 counties - Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. californica (DC.) J.P. Saroyan Native COFICCalifornia sandaster · Asteraceae 3 counties
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Coriandrum sativum L. Introduced COSAcoriander · Apiaceae 2 counties -
Corispermum pacificum Mosyakin Native COPA37common bugseed · Chenopodiaceae 3 counties -
Corispermum villosum Rydb. Native COVI5hairy bugseed · Chenopodiaceae 1 county -
Cornus glabrata Benth. Native COGL3brown dogwood · Cornaceae 3 counties -
Cornus nuttallii Audubon ex Torr. & A. Gray Native CONU4Pacific dogwood · Cornaceae 20 counties -
Cornus sericea L. Native COSE16redosier dogwood · Cornaceae 35 counties - Cornus sericea L. ssp. occidentalis (Torr. & A. Gray) Fosberg Native COSEOwestern dogwood · Cornaceae 19 counties
- Cornus sericea L. ssp. sericea Native COSESredosier dogwood · Cornaceae 35 counties
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Cornus unalaschkensis Ledeb. Native COUNwestern cordilleran bunchberry · Cornaceae 25 counties -
Coronopus didymus (L.) Sm. Introduced CODI6lesser swinecress · Brassicaceae 6 counties -
Corrigiola litoralis L. Introduced COLI6strapwort · Caryophyllaceae 1 county -
Cortaderia jubata (Lem.) Stapf Introduced COJU2purple pampas grass · Poaceae 3 counties -
Corydalis aurea Willd. Native COAU2scrambled eggs · Fumariaceae 8 counties -
Corydalis caseana A. Gray Native COCA15Sierra fumewort · Fumariaceae 8 counties - Corydalis caseana A. Gray ssp. aquae-gelidae (M. Peck & Wilson) Zetterlund & Lidén Native COCAAcoldwater fumewort · Fumariaceae 5 counties
- Corydalis caseana A. Gray ssp. cusickii (S. Watson) G.B. Ownbey Native COCACCusick's fumewort · Fumariaceae 3 counties
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Corydalis scouleri Hook. Native COSC4Scouler's fumewort · Fumariaceae 12 counties -
Corylus avellana L. Introduced COAV80common filbert · Betulaceae 5 counties -
Corylus cornuta Marshall Native COCO6beaked hazelnut · Betulaceae 21 counties - Corylus cornuta Marshall var. californica (A. DC.) Sharp Native COCOCCalifornia hazelnut · Betulaceae 21 counties
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Cotoneaster acuminatus Lindl. Introduced COAC7acuminate cotoneaster · Rosaceae 1 county -
Cotoneaster acutifolius Turcz. Introduced COAC2Peking cotoneaster · Rosaceae 1 county -
Cotoneaster divaricatus Rehder & E.H. Wilson Introduced CODI19spreading cotoneaster · Rosaceae 1 county -
Cotoneaster franchetii Boiss. Introduced COFR3orange cotoneaster · Rosaceae 5 counties - Cotoneaster horizontalis Decne. Introduced COHO80rockspray cotoneaster · Rosaceae 1 county
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Cotoneaster lacteus W.W. Sm. Introduced COLA18milkflower cotoneaster · Rosaceae 4 counties -
Cotoneaster nitens Rehder & E.H. Wilson Introduced CONI12few-flowered cotoneaster · Rosaceae 1 county -
Cotoneaster pannosus Franch. Introduced COPA14silverleaf cotoneaster · Rosaceae 1 county -
Cotoneaster simonsii Baker Introduced COSI82Simons' cotoneaster · Rosaceae 3 counties