Oregon

• Baker 41001
  1,572 taxa Open ↗
• Benton 41003
  1,855 taxa Open ↗
• Clackamas 41005
  1,485 taxa Open ↗
• Clatsop 41007
  979 taxa Open ↗
• Columbia 41009
  1,183 taxa Open ↗
• Coos 41011
  1,238 taxa Open ↗
• Crook 41013
  1,354 taxa Open ↗
• Curry 41015
  1,738 taxa Open ↗
• Deschutes 41017
  1,482 taxa Open ↗
• Douglas 41019
  2,250 taxa Open ↗

Showing 4,401–4,450 of 4,583 (native).

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  Trillium albidum J.D. Freeman ssp. albidum Native TRALA

  giant white wakerobin · Liliaceae 12 counties
• 
  Trillium kurabayashii J.D. Freeman Native TRKU

  giant purple wakerobin · Liliaceae 1 county
• 
  Trillium ovatum Pursh Native TROV2

  Pacific trillium · Liliaceae 26 counties
• 
  Trillium ovatum Pursh ssp. ovatum Native TROVO2

  Pacific trillium · Liliaceae 26 counties
• 
  Trillium petiolatum Pursh Native TRPE3

  Idaho trillium · Liliaceae 9 counties
• 
  Trillium rivale S. Watson Native TRRI2

  brook wakerobin · Liliaceae 4 counties
• 
  Triodanis biflora (Ruiz & Pav.) Greene Native TRBI2

  small Venus' looking-glass · Campanulaceae 6 counties
• 
  Triodanis perfoliata (L.) Nieuwl. Native TRPE4

  clasping Venus' looking-glass · Campanulaceae 17 counties
• 
  Triphysaria eriantha (Benth.) T.I. Chuang & Heckard Native TRER6

  johnny-tuck · Scrophulariaceae 4 counties
• 
  Triphysaria eriantha (Benth.) T.I. Chuang & Heckard ssp. eriantha Native TRERE2

  johnny-tuck · Scrophulariaceae 4 counties
• 
  Triphysaria pusilla (Benth.) T.I. Chuang & Heckard Native TRPU16

  dwarf owl's-clover · Scrophulariaceae 19 counties
• 
  Triphysaria versicolor Fisch. & C.A. Mey. Native TRVE6

  yellowbeak owl's-clover · Scrophulariaceae 3 counties
• 
  Triphysaria versicolor Fisch. & C.A. Mey. ssp. versicolor Native TRVEV

  yellowbeak owl's-clover · Scrophulariaceae 3 counties
• 
  Triplasis purpurea (Walter) Chapm. Native TRPU4

  purple sandgrass · Poaceae 1 county
• 
  Trisetum canescens Buckley Native TRCA21

  tall trisetum · Poaceae 33 counties
• 
  Trisetum spicatum (L.) K. Richt. Native TRSP2

  spike trisetum · Poaceae 19 counties
• 
  Trisetum wolfii Vasey Native TRWO3

  Wolf's trisetum · Poaceae 12 counties
• 
  Triteleia bridgesii (S. Watson) Greene Native TRBR7

  Bridges' brodiaea · Liliaceae 3 counties
• 
  Triteleia crocea (Alph. Wood) Greene Native TRCR7

  yellow triteleia · Liliaceae 2 counties
• 
  Triteleia crocea (Alph. Wood) Greene var. crocea Native TRCRC

  yellow triteleia · Liliaceae 2 counties
• 
  Triteleia grandiflora Lindl. Native TRGR7

  largeflower triteleia · Liliaceae 24 counties
• 
  Triteleia grandiflora Lindl. var. grandiflora Native TRGRG2

  largeflower triteleia · Liliaceae 15 counties
• 
  Triteleia grandiflora Lindl. var. howellii (S. Watson) Hoover Native TRGRH

  Howell's triteleia · Liliaceae 12 counties
• 
  Triteleia hendersonii Greene Native TRHE

  Henderson's triteleia · Liliaceae 6 counties
• 
  Triteleia hendersonii Greene var. hendersonii Native TRHEH

  Henderson's triteleia · Liliaceae 6 counties
• 
  Triteleia hendersonii Greene var. leachiae (M. Peck) Hoover Native TRHEL

  Leach's triteleia · Liliaceae 2 counties
• 
  Triteleia hyacinthina (Lindl.) Greene Native TRHY3

  white brodiaea · Liliaceae 25 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene Native TRIX

  prettyface · Liliaceae 1 county
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. anilina (Greene) Lenz Native TRIXA

  prettyface · Liliaceae 1 county
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. scabra (Greene) Lenz Native TRIXS

  prettyface · Liliaceae 1 county
• 
  Triteleia laxa Benth. Native TRLA16

  Ithuriel's spear · Liliaceae 1 county
• 
  Trollius laxus Salisb. Native TRLA14

  American globeflower · Ranunculaceae 2 counties
• 
  Trollius laxus Salisb. ssp. albiflorus (A. Gray) Á. Löve & D. Löve & Kapoor Native TRLAA2

  American globeflower · Ranunculaceae 2 counties
• 
  Tsuga heterophylla (Raf.) Sarg. Native TSHE

  western hemlock · Pinaceae 21 counties
• 
  Tsuga mertensiana (Bong.) Carrière Native TSME

  mountain hemlock · Pinaceae 16 counties
• 
  Typha latifolia L. Native TYLA

  broadleaf cattail · Typhaceae 33 counties
• 
  Umbellularia californica (Hook. & Arn.) Nutt. Native UMCA

  California laurel · Lauraceae 8 counties
• 
  Umbellularia californica (Hook. & Arn.) Nutt. var. californica Native UMCAC

  California laurel · Lauraceae 8 counties
• 
  Urtica dioica L. ssp. gracilis (Aiton) Seland. Native URDIG

  California nettle · Urticaceae 27 counties
• 
  Urtica dioica L. ssp. holosericea (Nutt.) Thorne Native URDIH

  stinging nettle · Urticaceae 16 counties
• 
  Utricularia gibba L. Native UTGI

  humped bladderwort · Lentibulariaceae 4 counties
• 
  Utricularia intermedia Hayne Native UTIN2

  flatleaf bladderwort · Lentibulariaceae 6 counties
• 
  Utricularia macrorhiza Leconte Native UTMA

  common bladderwort · Lentibulariaceae 20 counties
• 
  Utricularia minor L. Native UTMI

  lesser bladderwort · Lentibulariaceae 9 counties
• ⚘
  Utricularia ochroleuca R.W. Hartm. Native UTOC

  yellowishwhite bladderwort · Lentibulariaceae 2 counties
• 
  Vaccinium cespitosum Michx. Native VACE

  dwarf bilberry · Ericaceae 20 counties
• 
  Vaccinium deliciosum Piper Native VADE

  Cascade bilberry · Ericaceae 10 counties
• 
  Vaccinium macrocarpon Aiton Native VAMA

  cranberry · Ericaceae 4 counties
• 
  Vaccinium membranaceum Douglas ex Torr. Native VAME

  thinleaf huckleberry · Ericaceae 21 counties
• 
  Vaccinium myrtillus L. Native VAMY2

  whortleberry · Ericaceae 8 counties