§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 4,301–4,350 of 4,583 (native).
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Thelypodium sagittatum (Nutt. ex Torr. & A. Gray) Endl. ex Walp. Native THSA2arrow thelypody · Brassicaceae 2 counties - Thelypodium sagittatum (Nutt. ex Torr. & A. Gray) Endl. ex Walp. ssp. sagittatum Native THSASarrow thelypody · Brassicaceae 2 counties
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Thelypteris nevadensis (Baker) Clute ex Morton Native THNESierra marsh fern · Thelypteridaceae 8 counties -
Thermopsis gracilis Howell Native THGR6slender goldenbanner · Fabaceae 18 counties - Thermopsis gracilis Howell var. gracilis Native THGRGslender goldenbanner · Fabaceae 11 counties
- Thermopsis gracilis Howell var. ovata (B.L. Rob. ex Piper) M. Mendenhall Native THGROslender goldenbanner · Fabaceae 5 counties
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Thermopsis montana Nutt. Native THMO6mountain goldenbanner · Fabaceae 5 counties - Thermopsis montana Nutt. var. montana Native THMOM3mountain goldenbanner · Fabaceae 5 counties
- Thinopyrum junceiforme (Á. Löve & D. Löve) Á. Löve Native THJU3Russian wheatgrass · Poaceae 1 county
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Thuja plicata Donn ex D. Don Native THPLwestern redcedar · Cupressaceae 20 counties -
Thysanocarpus curvipes Hook. Native THCUsand fringepod · Brassicaceae 25 counties -
Thysanocarpus radians Benth. Native THRAribbed fringepod · Brassicaceae 2 counties -
Tiarella trifoliata L. Native TITRthreeleaf foamflower · Saxifragaceae 26 counties - Tiarella trifoliata L. var. laciniata (Hook.) Wheelock Native TITRLthreeleaf foamflower · Saxifragaceae 2 counties
- Tiarella trifoliata L. var. trifoliata Native TITRTthreeleaf foamflower · Saxifragaceae 18 counties
- Tiarella trifoliata L. var. unifoliata (Hook.) Kurtz Native TITRUoneleaf foamflower · Saxifragaceae 20 counties
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Tiquilia nuttallii (Hook.) A.T. Richardson Native TINU2Nuttall's crinklemat · Boraginaceae 7 counties -
Tolmiea menziesii (Pursh) Torr. & A. Gray Native TOMEyouth on age · Saxifragaceae 20 counties -
Tonella floribunda A. Gray Native TOFLmanyflower tonella · Scrophulariaceae 2 counties -
Tonella tenella (Benth.) A. Heller Native TOTElesser baby innocence · Scrophulariaceae 17 counties -
Tonestus lyallii (A. Gray) A. Nelson Native TOLYLyall's goldenweed · Asteraceae 2 counties -
Torreya californica Torr. Native TOCACalifornia nutmeg · Taxaceae 1 county -
Torreyochloa erecta (Hitchc.) Church Native TOERspiked false mannagrass · Poaceae 5 counties -
Torreyochloa pallida (Torr.) Church Native TOPA6pale false mannagrass · Poaceae 28 counties - Torreyochloa pallida (Torr.) Church var. pauciflora (J. Presl) J.I. Davis Native TOPAP3pale false mannagrass · Poaceae 28 counties
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Townsendia alpigena Piper Native TOALWyoming Townsend daisy · Asteraceae 1 county - Townsendia alpigena Piper var. alpigena Native TOALAWyoming Townsend daisy · Asteraceae 1 county
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Townsendia florifer (Hook.) A. Gray Native TOFL5showy Townsend daisy · Asteraceae 12 counties -
Townsendia parryi D.C. Eaton Native TOPA2Parry's Townsend daisy · Asteraceae 1 county -
Townsendia scapigera D.C. Eaton Native TOSCtufted Townsend daisy · Asteraceae 1 county -
Toxicodendron diversilobum (Torr. & A. Gray) Greene Native TODIPacific poison oak · Anacardiaceae 19 counties -
Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORYwestern poison ivy · Anacardiaceae 12 counties -
Tragopogon mirus Ownbey Native TRMI7remarkable goatsbeard · Asteraceae 1 county -
Trautvetteria caroliniensis (Walter) Vail Native TRCACarolina bugbane · Ranunculaceae 20 counties - Trautvetteria caroliniensis (Walter) Vail var. occidentalis (A. Gray) C.L. Hitchc. Native TRCAOwestern bugbane · Ranunculaceae 20 counties
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Triantha glutinosa (Michx.) Baker Native TRGL5sticky tofieldia · Liliaceae 3 counties -
Triantha occidentalis (S. Watson) Gates Native TROC7western false asphodel · Liliaceae 16 counties - Triantha occidentalis (S. Watson) Gates ssp. brevistyla (C.L. Hitchc.) Packer Native TROCBsticky tofieldia · Liliaceae 13 counties
- Triantha occidentalis (S. Watson) Gates ssp. occidentalis Native TROCO2western false asphodel · Liliaceae 6 counties
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Trichophorum cespitosum (L.) Hartm. Native TRCE3tufted bulrush · Cyperaceae 6 counties -
Trichostema lanceolatum Benth. Native TRLA4vinegarweed · Lamiaceae 8 counties -
Trichostema oblongum Benth. Native TROBoblong bluecurls · Lamiaceae 13 counties -
Trichostema simulatum Jeps. Native TRSISiskiyou bluecurls · Lamiaceae 2 counties -
Trientalis borealis Raf. Native TRBO2starflower · Primulaceae 23 counties - Trientalis borealis Raf. ssp. latifolia (Hook.) Hultén Native TRBOLbroadleaf starflower · Primulaceae 23 counties
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Trientalis europaea L. Native TREUarctic starflower · Primulaceae 16 counties - Trientalis europaea L. ssp. arctica (Fisch. ex Hook.) Hultén Native TREUAarctic starflower · Primulaceae 16 counties
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Trifolium albopurpureum Torr. & A. Gray Native TRAL5rancheria clover · Fabaceae 10 counties -
Trifolium andersonii A. Gray Native TRANfiveleaf clover · Fabaceae 1 county - Trifolium andersonii A. Gray ssp. andersonii Native TRANA2fiveleaf clover · Fabaceae 1 county