§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 201–250 of 5,518.
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Alyssum murale Waldst. & Kit. Introduced ALMUyellowtuft · Brassicaceae 1 county -
Alyssum simplex Rudolphi Introduced ALSI8alyssum · Brassicaceae 2 counties -
Amaranthus albus L. Introduced AMALprostrate pigweed · Amaranthaceae 11 counties -
Amaranthus blitoides S. Watson Introduced AMBLmat amaranth · Amaranthaceae 13 counties -
Amaranthus californicus (Moq.) S. Watson Native AMCACalifornia amaranth · Amaranthaceae 8 counties -
Amaranthus caudatus L. Introduced AMCA3foxtail amaranth · Amaranthaceae 1 county -
Amaranthus deflexus L. Introduced AMDElargefruit amaranth · Amaranthaceae 1 county -
Amaranthus hybridus L. Native AMHYslim amaranth · Amaranthaceae 1 county -
Amaranthus powellii S. Watson Native AMPO2Powell's amaranth · Amaranthaceae 11 counties -
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae 16 counties -
Ambrosia acanthicarpa Hook. Native AMAC2flatspine bur ragweed · Asteraceae 8 counties -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae 15 counties - Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMAREannual ragweed · Asteraceae 15 counties
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Ambrosia chamissonis (Less.) Greene Native AMCH4silver bur ragweed · Asteraceae 9 counties -
Ambrosia psilostachya DC. Native AMPSCuman ragweed · Asteraceae 6 counties -
Ambrosia trifida L. Native AMTRgreat ragweed · Asteraceae 1 county - Ambrosia trifida L. var. trifida Native AMTRT2great ragweed · Asteraceae 1 county
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Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2Saskatoon serviceberry · Rosaceae 36 counties - Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia Native AMALASaskatoon serviceberry · Rosaceae 23 counties
- Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. cusickii (Fernald) C.L. Hitchc. Native AMALCCusick's serviceberry · Rosaceae 16 counties
- Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. semiintegrifolia (Hook.) C.L. Hitchc. Native AMALSSaskatoon serviceberry · Rosaceae 17 counties
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Amelanchier pallida Greene Native AMPA2pale serviceberry · Rosaceae 8 counties - Amelanchier pumila (Torr. & A. Gray) Nutt. ex M. Roem. Native AMPU5dwarf serviceberry · Rosaceae 10 counties
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Amelanchier utahensis Koehne Native AMUTUtah serviceberry · Rosaceae 11 counties - Amelanchier utahensis Koehne var. utahensis Native AMUTUUtah serviceberry · Rosaceae 11 counties
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Ammannia robusta Heer & Regel Native AMRO3grand redstem · Lythraceae 5 counties -
Ammi majus L. Introduced AMMAlarge bullwort · Apiaceae 1 county -
Ammophila arenaria (L.) Link Introduced AMAR4European beachgrass · Poaceae 8 counties -
Ammophila breviligulata Fernald Native AMBRAmerican beachgrass · Poaceae 1 county -
Amorpha fruticosa L. Native AMFRfalse indigo bush · Fabaceae 13 counties -
Amsinckia carinata A. Nelson & J.F. Macbr. Native AMCA8Malheur Valley fiddleneck · Boraginaceae 1 county -
Amsinckia lycopsoides Lehm. Native AMLYtarweed fiddleneck · Boraginaceae 24 counties -
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. Native AMMEMenzies' fiddleneck · Boraginaceae 30 counties - Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders Native AMMEI2common fiddleneck · Boraginaceae 20 counties
- Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. menziesii Native AMMEM2Menzies' fiddleneck · Boraginaceae 23 counties
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Amsinckia spectabilis Fisch. & C.A. Mey. Native AMSP3woolly breeches · Boraginaceae 2 counties -
Amsinckia tessellata A. Gray Native AMTE3bristly fiddleneck · Boraginaceae 20 counties - Amsinckia tessellata A. Gray var. tessellata Native AMTETbristly fiddleneck · Boraginaceae 20 counties
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Anagallis arvensis L. Introduced ANARscarlet pimpernel · Primulaceae 16 counties - Anagallis arvensis L. ssp. arvensis Introduced ANARA7scarlet pimpernel · Primulaceae 16 counties
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Anagallis minima (L.) Krause Native ANMI4chaffweed · Primulaceae 12 counties -
Anaphalis margaritacea (L.) Benth. Native ANMAwestern pearly everlasting · Asteraceae 30 counties -
Anchusa arvensis (L.) M. Bieb. Introduced ANAR16small bugloss · Boraginaceae 1 county -
Anchusa azurea Mill. Introduced ANAZItalian bugloss · Boraginaceae 9 counties -
Anchusa capensis Thunb. Introduced ANCA29Cape bugloss · Boraginaceae 1 county -
Anchusa officinalis L. Introduced ANOFcommon bugloss · Boraginaceae 8 counties -
Ancistrocarphus filagineus A. Gray Native ANFI3false neststraw · Asteraceae 8 counties -
Androsace elongata L. Native ANEL2California rockjasmine · Primulaceae 1 county - Androsace elongata L. ssp. acuta (Greene) G.T. Robbins Native ANELACalifornia rockjasmine · Primulaceae 1 county
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Androsace filiformis Retz. Native ANFIfiliform rockjasmine · Primulaceae 6 counties