§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 3,001–3,050 of 4,583 (native).
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Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae 28 counties -
Orogenia fusiformis S. Watson Native ORFUCalifornia Indian potato · Apiaceae 6 counties -
Orogenia linearifolia S. Watson Native ORLIGreat Basin Indian potato · Apiaceae 7 counties -
Orthilia secunda (L.) House Native ORSEsidebells wintergreen · Pyrolaceae 20 counties -
Orthocarpus barbatus Cotton Native ORBA2Grand Coulee owl's-clover · Scrophulariaceae 1 county -
Orthocarpus bracteosus Benth. Native ORBRrosy owl's-clover · Scrophulariaceae 14 counties -
Orthocarpus cuspidatus Greene Native ORCUtoothed owl's-clover · Scrophulariaceae 6 counties - Orthocarpus cuspidatus Greene ssp. copelandii (Eastw.) T.I. Chuang & Heckard Native ORCUCCopeland's owl's-clover · Scrophulariaceae 5 counties
- Orthocarpus cuspidatus Greene ssp. cryptanthus (Piper) T.I. Chuang & Heckard Native ORCUC2cryptantha owl's-clover · Scrophulariaceae 2 counties
- Orthocarpus cuspidatus Greene ssp. cuspidatus Native ORCUC3Siskiyou Mountain owl's-clover · Scrophulariaceae 4 counties
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Orthocarpus imbricatus Torr. ex S. Watson Native ORIMmountain owl's-clover · Scrophulariaceae 7 counties -
Orthocarpus luteus Nutt. Native ORLU2yellow owl's-clover · Scrophulariaceae 10 counties -
Orthocarpus tenuifolius (Pursh) Benth. Native ORTE2thinleaved owl's-clover · Scrophulariaceae 10 counties -
Osmorhiza berteroi DC. Native OSBEsweetcicely · Apiaceae 31 counties -
Osmorhiza depauperata Phil. Native OSDEbluntseed sweetroot · Apiaceae 8 counties -
Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr. Native OSOCwestern sweetroot · Apiaceae 29 counties -
Osmorhiza purpurea (J.M. Coult. & Rose) Suksd. Native OSPUpurple sweetroot · Apiaceae 23 counties -
Oxalis corniculata L. Native OXCOcreeping woodsorrel · Oxalidaceae 14 counties -
Oxalis dillenii Jacq. Native OXDI2slender yellow woodsorrel · Oxalidaceae 1 county -
Oxalis oregana Nutt. Native OXORredwood-sorrel · Oxalidaceae 19 counties -
Oxalis suksdorfii Trel. Native OXSUSuksdorf woodsorrel · Oxalidaceae 13 counties -
Oxalis trilliifolia Hook. Native OXTRthreeleaf woodsorrel · Oxalidaceae 16 counties -
Oxypolis occidentalis J.M. Coult. & Rose Native OXOCwestern cowbane · Apiaceae 5 counties -
Oxyria digyna (L.) Hill Native OXDI3alpine mountainsorrel · Polygonaceae 16 counties -
Oxytheca dendroidea Nutt. Native OXDEnarrowleaf oxytheca · Polygonaceae 4 counties -
Oxytropis borealis DC. Native OXBOboreal locoweed · Fabaceae 1 county - Oxytropis borealis DC. var. viscida (Nutt.) S.L. Welsh Native OXBOVviscid locoweed · Fabaceae 1 county
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Oxytropis campestris (L.) DC. Native OXCA4field locoweed · Fabaceae 2 counties - Oxytropis campestris (L.) DC. var. cusickii (Greenm.) Barneby Native OXCAC3Cusick's locoweed · Fabaceae 2 counties
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Oxytropis deflexa (Pall.) DC. Native OXDE2nodding locoweed · Fabaceae 1 county - Oxytropis deflexa (Pall.) DC. var. sericea Torr. & A. Gray Native OXDESblue nodding locoweed · Fabaceae 1 county
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Oxytropis sericea Nutt. Native OXSEwhite locoweed · Fabaceae 1 county - Oxytropis sericea Nutt. var. sericea Native OXSESwhite locoweed · Fabaceae 1 county
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Packera bolanderi (A. Gray) W.A. Weber & Á. Löve Native PABO6Bolander's ragwort · Asteraceae 15 counties - Packera bolanderi (A. Gray) W.A. Weber & Á. Löve var. bolanderi Native PABOBBolander's ragwort · Asteraceae 11 counties
- Packera bolanderi (A. Gray) W.A. Weber & Á. Löve var. harfordii (Greenm.) D.K. Trock & T.M. Barkley Native PABOHHarford's ragwort · Asteraceae 8 counties
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Packera cana (Hook.) W.A. Weber & Á. Löve Native PACA15woolly groundsel · Asteraceae 26 counties -
Packera dimorphophylla (Greene) W.A. Weber & Á. Löve Native PADI11splitleaf groundsel · Asteraceae 1 county - Packera dimorphophylla (Greene) W.A. Weber & Á. Löve var. paysonii (T.M. Barkley) D.K. Trock & T.M. Barkley Native PADIP2Payson's groundsel · Asteraceae 1 county
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Packera eurycephala (Torr. & A. Gray) W.A. Weber & Á. Löve Native PAEU5widehead groundsel · Asteraceae 2 counties - Packera eurycephala (Torr. & A. Gray) W.A. Weber & Á. Löve var. eurycephala Native PAEUEwidehead groundsel · Asteraceae 2 counties
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Packera flettii (Wiegand) W.A. Weber & Á. Löve Native PAFL15Flett's ragwort · Asteraceae 3 counties -
Packera hesperia (Greene) W.A. Weber & Á. Löve Native PAHE11western ragwort · Asteraceae 2 counties -
Packera macounii (Greene) W.A. Weber & Á. Löve Native PAMA35Siskiyou Mountain ragwort · Asteraceae 12 counties -
Packera paupercula (Michx.) Á. Löve & D. Löve Native PAPA20balsam groundsel · Asteraceae 1 county -
Packera porteri (Greene) C. Jeffrey Native PAPO12Porter's groundsel · Asteraceae 1 county -
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve Native PAPS5falsegold groundsel · Asteraceae 22 counties - Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve var. pseudaurea Native PAPSP2falsegold groundsel · Asteraceae 22 counties
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Packera streptanthifolia (Greene) W.A. Weber & Á. Löve Native PAST10Rocky Mountain groundsel · Asteraceae 13 counties -
Packera subnuda (DC.) D.K. Trock & T.M. Barkley Native PASU40Buek's groundsel · Asteraceae 13 counties