§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 1,801–1,850 of 5,518.
-
Dysphania multifida (L.) Mosyakin & Clemants Introduced DYMUcutleaf goosefoot · Chenopodiaceae 1 county -
Dysphania pumilio (R. Br.) Mosyakin & Clemants Introduced DYPUclammy goosefoot · Chenopodiaceae 4 counties -
Eatonella nivea (D.C. Eaton) A. Gray Native EANIwhite false tickhead · Asteraceae 3 counties -
Echinochloa colona (L.) Link Introduced ECCO2jungle rice · Poaceae 3 counties -
Echinochloa crus-galli (L.) P. Beauv. Introduced ECCRbarnyardgrass · Poaceae 26 counties -
Echinochloa crus-pavonis (Kunth) Schult. Both ECCR2gulf cockspur grass · Poaceae 3 counties - Echinochloa crus-pavonis (Kunth) Schult. var. crus-pavonis Introduced ECCRC2gulf cockspur grass · Poaceae 3 counties
- Echinochloa frumentacea Link Introduced ECFRbillion-dollar grass · Poaceae 1 county
-
Echinochloa muricata (P. Beauv.) Fernald Native ECMU2rough barnyardgrass · Poaceae 1 county - Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand Native ECMUMrough barnyardgrass · Poaceae 1 county
-
Echinocystis lobata (Michx.) Torr. & A. Gray Native ECLOwild cucumber · Cucurbitaceae 2 counties -
Echinops sphaerocephalus L. Introduced ECSPgreat globethistle · Asteraceae 1 county -
Echium plantagineum L. Introduced ECPLsalvation jane · Boraginaceae 1 county -
Echium vulgare L. Introduced ECVUcommon viper's bugloss · Boraginaceae 3 counties -
Egeria densa Planch. Introduced EGDEBrazilian waterweed · Hydrocharitaceae 8 counties -
Eichhornia crassipes (Mart.) Solms Introduced EICRcommon water hyacinth · Pontederiaceae 2 counties -
Elaeagnus angustifolia L. Introduced ELANRussian olive · Elaeagnaceae 14 counties -
Elaeagnus umbellata Thunb. Introduced ELUMautumn olive · Elaeagnaceae 7 counties - Elaeagnus umbellata Thunb. var. parvifolia (Wall. ex Royle) C.K. Schneid. Introduced ELUMPautumn olive · Elaeagnaceae 7 counties
-
Elatine brachysperma A. Gray Native ELBR5shortseed waterwort · Elatinaceae 4 counties -
Elatine californica A. Gray Native ELCACalifornia waterwort · Elatinaceae 4 counties -
Elatine chilensis A. Gray Introduced ELCHChilean waterwort · Elatinaceae 6 counties -
Elatine rubella Rydb. Native ELRUsouthwestern waterwort · Elatinaceae 2 counties -
Eleocharis acicularis (L.) Roem. & Schult. Native ELACneedle spikerush · Cyperaceae 25 counties - Eleocharis acicularis (L.) Roem. & Schult. var. acicularis Native ELACAneedle spikerush · Cyperaceae 25 counties
-
Eleocharis bella (Piper) Svens. Native ELBEbeautiful spikerush · Cyperaceae 9 counties -
Eleocharis bolanderi A. Gray Native ELBOBolander's spikerush · Cyperaceae 4 counties -
Eleocharis engelmannii Steud. Native ELENEngelmann's spikerush · Cyperaceae 3 counties -
Eleocharis macrostachya Britton Native ELMA5pale spikerush · Cyperaceae 2 counties -
Eleocharis obtusa (Willd.) Schult. Native ELOB2blunt spikerush · Cyperaceae 15 counties -
Eleocharis palustris (L.) Roem. & Schult. Native ELPA3common spikerush · Cyperaceae 32 counties - Eleocharis palustris (L.) Roem. & Schult. var. palustris Native ELPAPcommon spikerush · Cyperaceae 32 counties
-
Eleocharis parishii Britton Native ELPA4Parish's spikerush · Cyperaceae 4 counties -
Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer Native ELPA5dwarf spikerush · Cyperaceae 4 counties -
Eleocharis quadrangulata (Michx.) Roem. & Schult. Native ELQUsquarestem spikerush · Cyperaceae 1 county -
Eleocharis quinqueflora (Hartmann) O. Schwarz Native ELQU2fewflower spikerush · Cyperaceae 17 counties -
Eleocharis rostellata (Torr.) Torr. Native ELRO2beaked spikerush · Cyperaceae 8 counties -
Eleusine indica (L.) Gaertn. Introduced ELIN3Indian goosegrass · Poaceae 2 counties -
Eleusine tristachya (Lam.) Lam. Introduced ELTR2threespike goosegrass · Poaceae 1 county -
Elliottia pyroliflora (Bong.) S.W. Brim & P.F. Stevens Native ELPYcopperbush · Ericaceae 3 counties -
Elmera racemosa (S. Watson) Rydb. Native ELRA3yellow coralbells · Saxifragaceae 6 counties - Elmera racemosa (S. Watson) Rydb. var. puberulenta C.L. Hitchc. Native ELRAPyellow coralbells · Saxifragaceae 5 counties
-
Elodea bifoliata H. St. John Native ELBI2twoleaf waterweed · Hydrocharitaceae 2 counties -
Elodea canadensis Michx. Native ELCA7Canadian waterweed · Hydrocharitaceae 19 counties -
Elodea nuttallii (Planch.) H. St. John Native ELNU2western waterweed · Hydrocharitaceae 6 counties -
Elymus alaskanus (Scribn. & Merr.) Á. Löve Native ELAL5Alaskan wheatgrass · Poaceae 9 counties - Elymus alaskanus (Scribn. & Merr.) Á. Löve ssp. latiglumis (Scribn. & J.G. Sm.) Á. Löve Native ELALLAlaskan wheatgrass · Poaceae 9 counties
-
Elymus canadensis L. Native ELCA4Canada wildrye · Poaceae 7 counties -
Elymus caninus (L.) L. Introduced ELCA11bearded wheatgrass · Poaceae 1 county -
Elymus elymoides (Raf.) Swezey Native ELEL5squirreltail · Poaceae 28 counties