§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 4,901–4,950 of 5,518.
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Solanum physalifolium Rusby Introduced SOPHhoe nightshade · Solanaceae 22 counties -
Solanum rostratum Dunal Native SORObuffalobur nightshade · Solanaceae 16 counties -
Solanum sisymbriifolium Lam. Introduced SOSIsticky nightshade · Solanaceae 1 county -
Solanum triflorum Nutt. Native SOTRcutleaf nightshade · Solanaceae 14 counties -
Solanum umbelliferum Eschsch. Native SOUMbluewitch nightshade · Solanaceae 2 counties - Solanum umbelliferum Eschsch. var. umbelliferum Native SOUMUbluewitch nightshade · Solanaceae 2 counties
- Solidago californica Nutt. Native SOCA5California goldenrod · Asteraceae 5 counties
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Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae 33 counties - Solidago canadensis L. var. salebrosa (Piper) M.E. Jones Native SOCASrough Canada goldenrod · Asteraceae 33 counties
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Solidago gigantea Aiton Native SOGIgiant goldenrod · Asteraceae 12 counties -
Solidago missouriensis Nutt. Native SOMI2Missouri goldenrod · Asteraceae 12 counties - Solidago missouriensis Nutt. var. missouriensis Native SOMIMMissouri goldenrod · Asteraceae 1 county
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Solidago multiradiata Aiton Native SOMURocky Mountain goldenrod · Asteraceae 10 counties - Solidago multiradiata Aiton var. scopulorum A. Gray Native SOMUSmanyray goldenrod · Asteraceae 10 counties
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Solidago simplex Kunth Native SOSI3Mt. Albert goldenrod · Asteraceae 14 counties - Solidago simplex Kunth ssp. simplex Native SOSISMt. Albert goldenrod · Asteraceae 14 counties
- Solidago simplex Kunth ssp. simplex var. nana (A. Gray) Ringius Native SOSINdwarf goldenrod · Asteraceae 8 counties
- Solidago simplex Kunth ssp. simplex var. simplex Native SOSIS3Mt. Albert goldenrod · Asteraceae 1 county
- Solidago simplex Kunth ssp. simplex var. spathulata (DC.) Cronquist Native SOSIS4Mt. Albert goldenrod · Asteraceae 6 counties
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Solidago spectabilis (D.C. Eaton) A. Gray Native SOSP3Nevada goldenrod · Asteraceae 4 counties - Solidago spectabilis (D.C. Eaton) A. Gray var. spectabilis Native SOSPS6Nevada goldenrod · Asteraceae 4 counties
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Soliva sessilis Ruiz & Pav. Introduced SOSE2field burrweed · Asteraceae 7 counties -
Sonchus arvensis L. Introduced SOAR2field sowthistle · Asteraceae 16 counties - Sonchus arvensis L. ssp. arvensis Introduced SOARA2field sowthistle · Asteraceae 14 counties
- Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARUmoist sowthistle · Asteraceae 2 counties
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Sonchus asper (L.) Hill Introduced SOASspiny sowthistle · Asteraceae 25 counties -
Sonchus oleraceus L. Introduced SOOLcommon sowthistle · Asteraceae 21 counties -
Sophora leachiana M. Peck Native SOLE3western necklacepod · Fabaceae 2 counties -
Sorbaria kirilowii (Regel) Maxim. Introduced SOKIgiant false spiraea · Rosaceae 1 county -
Sorbus aucuparia L. Introduced SOAUEuropean mountain ash · Rosaceae 10 counties -
Sorbus californica Greene Native SOCA8California mountain ash · Rosaceae 1 county -
Sorbus scopulina Greene Native SOSC2Greene's mountain ash · Rosaceae 20 counties - Sorbus scopulina Greene var. cascadensis (G.N. Jones) C.L. Hitchc. Native SOSCCCascade mountain ash · Rosaceae 9 counties
- Sorbus scopulina Greene var. scopulina Native SOSCSGreene's mountain ash · Rosaceae 13 counties
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Sorbus sitchensis M. Roem. Native SOSI2western mountain ash · Rosaceae 25 counties - Sorbus sitchensis M. Roem. var. grayi (Wenzig) C.L. Hitchc. Native SOSIGwestern mountain ash · Rosaceae 25 counties
- Sorghum almum Parodi Introduced SOALColumbus grass · Poaceae 1 county
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Sorghum bicolor (L.) Moench Introduced SOBI2sorghum · Poaceae 7 counties - Sorghum bicolor (L.) Moench ssp. drummondii (Nees ex Steud.) de Wet & Harlan Introduced SOBIDSudangrass · Poaceae 1 county
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Sorghum halepense (L.) Pers. Introduced SOHAJohnsongrass · Poaceae 13 counties -
Sparganium angustifolium Michx. Native SPAN2narrowleaf bur-reed · Sparganiaceae 12 counties - Sparganium emersum Rehmann Native SPEM2European bur-reed · Sparganiaceae 29 counties
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Sparganium eurycarpum Engelm. Native SPEUbroadfruit bur-reed · Sparganiaceae 16 counties -
Sparganium natans L. Native SPNAsmall bur-reed · Sparganiaceae 6 counties -
Spartina alterniflora Loisel. Native SPALsmooth cordgrass · Poaceae 2 counties -
Spartina densiflora Brongn. Introduced SPDE2denseflower cordgrass · Poaceae 1 county -
Spartina gracilis Trin. Native SPGRalkali cordgrass · Poaceae 10 counties -
Spartina patens (Aiton) Muhl. Native SPPAsaltmeadow cordgrass · Poaceae 1 county -
Spartina pectinata Bosc ex Link Native SPPEprairie cordgrass · Poaceae 4 counties -
Spartium junceum L. Introduced SPJU2Spanish broom · Fabaceae 5 counties