§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 1,301–1,350 of 5,518.
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Chlorogalum pomeridianum (DC.) Kunth var. pomeridianum Native CHPOP4wavyleaf soap plant · Liliaceae 5 counties -
Chondrilla juncea L. Introduced CHJUrush skeletonweed · Asteraceae 20 counties -
Chorispora tenella (Pall.) DC. Introduced CHTE2crossflower · Brassicaceae 16 counties -
Chorizanthe brevicornu Torr. Native CHBRbrittle spineflower · Polygonaceae 2 counties - Chorizanthe brevicornu Torr. var. spathulata (Small ex Rydb.) C.L. Hitchc. Native CHBRSbrittle spineflower · Polygonaceae 2 counties
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Chorizanthe membranacea Benth. Native CHME2pink spineflower · Polygonaceae 1 county -
Chorizanthe watsonii Torr. & A. Gray Native CHWA2fivetooth spineflower · Polygonaceae 6 counties -
Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist Native CHCH7giant chinquapin · Fagaceae 23 counties - Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist var. chrysophylla Native CHCHC4giant chinquapin · Fagaceae 23 counties
- Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist var. minor (Benth.) Munz Native CHCHMgiant chinquapin · Fagaceae 4 counties
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Chrysolepis sempervirens (Kellogg) Hjelmqvist Native CHSE11bush chinquapin · Fagaceae 4 counties -
Chrysosplenium glechomifolium Nutt. Native CHGL5Pacific golden saxifrage · Saxifragaceae 11 counties -
Chrysothamnus humilis Greene Native CHHU2Truckee rabbitbrush · Asteraceae 6 counties -
Chrysothamnus viscidiflorus (Hook.) Nutt. Native CHVI8yellow rabbitbrush · Asteraceae 21 counties - Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. lanceolatus (Nutt.) H.M. Hall & Clem. Native CHVIL4yellow rabbitbrush · Asteraceae 13 counties
- Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. puberulus (D.C. Eaton) H.M. Hall & Clem. Native CHVIP4yellow rabbitbrush · Asteraceae 3 counties
- Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus Native CHVIV2yellow rabbitbrush · Asteraceae 19 counties
- Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus var. viscidiflorus Native CHVIV4yellow rabbitbrush · Asteraceae 14 counties
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Cicendia quadrangularis (Lam.) Griseb. Native CIQU3Oregon timwort · Gentianaceae 4 counties -
Cicer arietinum L. Introduced CIAR5chick pea · Fabaceae 2 counties -
Cichorium endivia L. Introduced CIENcultivated endive · Asteraceae 1 county -
Cichorium intybus L. Introduced CIINchicory · Asteraceae 26 counties -
Cicuta bulbifera L. Native CIBUbulblet-bearing water hemlock · Apiaceae 1 county -
Cicuta douglasii (DC.) J.M. Coult. & Rose Native CIDOwestern water hemlock · Apiaceae 30 counties -
Cicuta maculata L. Native CIMA2spotted water hemlock · Apiaceae 8 counties - Cicuta maculata L. var. angustifolia Hook. Native CIMAAspotted water hemlock · Apiaceae 8 counties
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Cinna latifolia (Trevis. ex Goepp.) Griseb. Native CILA2drooping woodreed · Poaceae 25 counties -
Circaea alpina L. Native CIALsmall enchanter's nightshade · Onagraceae 30 counties - Circaea alpina L. ssp. pacifica (Asch. & Magnus) P.H. Raven Native CIALP2small enchanter's nightshade · Onagraceae 30 counties
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Cirsium andersonii (A. Gray) Petr. Native CIANrose thistle · Asteraceae 1 county -
Cirsium arvense (L.) Scop. Introduced CIAR4Canada thistle · Asteraceae 36 counties -
Cirsium brevifolium Nutt. Native CIBRPalouse thistle · Asteraceae 8 counties -
Cirsium brevistylum Cronquist Native CIBR2clustered thistle · Asteraceae 11 counties - Cirsium canovirens (Rydb.) Petr. Native CICA6graygreen thistle · Asteraceae 8 counties
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Cirsium ciliolatum (L.F. Hend.) J.T. Howell Native CICIAshland thistle · Asteraceae 2 counties -
Cirsium cymosum (Greene) J.T. Howell Native CICYperegrine thistle · Asteraceae 3 counties -
Cirsium douglasii DC. Native CIDO2Douglas' thistle · Asteraceae 4 counties - Cirsium douglasii DC. var. breweri (A. Gray) D.J. Keil & C.E. Turner Native CIDOB2Douglas' thistle · Asteraceae 4 counties
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Cirsium edule Nutt. Native CIEDedible thistle · Asteraceae 12 counties -
Cirsium occidentale (Nutt.) Jeps. Native CIOCcobwebby thistle · Asteraceae 4 counties - Cirsium occidentale (Nutt.) Jeps. var. candidissimum (Greene) J.F. Macbr. Native CIOCCsnowy thistle · Asteraceae 4 counties
- Cirsium occidentale (Nutt.) Jeps. var. venustum (Greene) Jeps. Native CIOCVcobwebby thistle · Asteraceae 1 county
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Cirsium peckii L.F. Hend. Native CIPE4Steen Mountain thistle · Asteraceae 1 county -
Cirsium pyrenaicum (Jacq.) All. Introduced CIPY2Pyrenean thistle · Asteraceae 1 county -
Cirsium remotifolium (Hook.) DC. Native CIREfewleaf thistle · Asteraceae 16 counties -
Cirsium scariosum Nutt. Native CISC2meadow thistle · Asteraceae 12 counties -
Cirsium subniveum Rydb. Native CISUJackson Hole thistle · Asteraceae 8 counties -
Cirsium undulatum (Nutt.) Spreng. Native CIUNwavyleaf thistle · Asteraceae 13 counties - Cirsium undulatum (Nutt.) Spreng. var. undulatum Native CIUNUwavyleaf thistle · Asteraceae 13 counties
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Cirsium vulgare (Savi) Ten. Introduced CIVUbull thistle · Asteraceae 36 counties