California

• Alameda 06001
  1,856 taxa Open ↗
• Alpine 06003
  1,174 taxa Open ↗
• Amador 06005
  1,226 taxa Open ↗
• Butte 06007
  2,704 taxa Open ↗
• Calaveras 06009
  1,227 taxa Open ↗
• Colusa 06011
  1,330 taxa Open ↗
• Contra Costa 06013
  1,712 taxa Open ↗
• Del Norte 06015
  1,424 taxa Open ↗
• El Dorado 06017
  1,950 taxa Open ↗
• Fresno 06019
  2,373 taxa Open ↗

Showing 9,601–9,650 of 9,954.

• 
  Trifolium trichocalyx A. Heller Native TRTR

  Monterey clover · Fabaceae 2 counties
• 
  Trifolium variegatum Nutt. Native TRVA

  whitetip clover · Fabaceae 50 counties
• 
  Trifolium vesiculosum Savi Introduced TRVE

  arrowleaf clover · Fabaceae 3 counties
• 
  Trifolium willdenovii Spreng. Native TRWI3

  tomcat clover · Fabaceae 50 counties
• 
  Trifolium wormskioldii Lehm. Native TRWO

  cows clover · Fabaceae 49 counties
• 
  Triglochin concinna Burtt Davy Native TRCO19

  slender arrowgrass · Juncaginaceae 14 counties
• 
  Triglochin maritima L. Native TRMA20

  seaside arrowgrass · Juncaginaceae 33 counties
• 
  Triglochin palustris L. Native TRPA28

  marsh arrowgrass · Juncaginaceae 3 counties
• 
  Triglochin striata Ruiz & Pav. Native TRST16

  three-rib arrowgrass · Juncaginaceae 12 counties
• 
  Trigonella corniculata (L.) L. Introduced TRCO7

  cultivated fenugreek · Fabaceae 1 county
• 
  Trigonella foenum-graecum L. Introduced TRFO80

  sicklefruit fenugreek · Fabaceae 2 counties
• 
  Trillium albidum J.D. Freeman Native TRAL4

  giant white wakerobin · Liliaceae 12 counties
• 
  Trillium albidum J.D. Freeman ssp. albidum Native TRALA

  giant white wakerobin · Liliaceae 12 counties
• 
  Trillium angustipetalum (Torr.) J.D. Freeman Native TRAN5

  narrowpetal wakerobin · Liliaceae 16 counties
• 
  Trillium chloropetalum (Torr.) Howell Native TRCH2

  giant wakerobin · Liliaceae 17 counties
• 
  Trillium chloropetalum (Torr.) Howell var. chloropetalum Native TRCHC

  giant wakerobin · Liliaceae 4 counties
• 
  Trillium chloropetalum (Torr.) Howell var. giganteum (Hook. & Arn.) Munz Native TRCHG

  giant wakerobin · Liliaceae 3 counties
• 
  Trillium kurabayashii J.D. Freeman Native TRKU

  giant purple wakerobin · Liliaceae 2 counties
• 
  Trillium ovatum Pursh Native TROV2

  Pacific trillium · Liliaceae 16 counties
• 
  Trillium ovatum Pursh ssp. oettingeri Munz & Thorne Native TROVO

  Oettinger's trillium · Liliaceae 3 counties
• 
  Trillium ovatum Pursh ssp. ovatum Native TROVO2

  Pacific trillium · Liliaceae 16 counties
• 
  Trillium rivale S. Watson Native TRRI2

  brook wakerobin · Liliaceae 2 counties
• 
  Triodanis biflora (Ruiz & Pav.) Greene Native TRBI2

  small Venus' looking-glass · Campanulaceae 28 counties
• 
  Triodanis perfoliata (L.) Nieuwl. Native TRPE4

  clasping Venus' looking-glass · Campanulaceae 3 counties
• 
  Triphysaria eriantha (Benth.) T.I. Chuang & Heckard Native TRER6

  johnny-tuck · Scrophulariaceae 42 counties
• 
  Triphysaria eriantha (Benth.) T.I. Chuang & Heckard ssp. eriantha Native TRERE2

  johnny-tuck · Scrophulariaceae 42 counties
• 
  Triphysaria eriantha (Benth.) T.I. Chuang & Heckard ssp. rosea (A. Gray) T.I. Chuang & Heckard Native TRERR

  johnny-tuck · Scrophulariaceae 15 counties
• 
  Triphysaria floribunda (Benth.) T.I. Chuang & Heckard Native TRFL14

  San Francisco owl's-clover · Scrophulariaceae 3 counties
• 
  Triphysaria micrantha (Greene ex A. Heller) T.I. Chuang & Heckard Native TRMI16

  purplebeak owl's-clover · Scrophulariaceae 11 counties
• 
  Triphysaria pusilla (Benth.) T.I. Chuang & Heckard Native TRPU16

  dwarf owl's-clover · Scrophulariaceae 30 counties
• 
  Triphysaria versicolor Fisch. & C.A. Mey. Native TRVE6

  yellowbeak owl's-clover · Scrophulariaceae 16 counties
• 
  Triphysaria versicolor Fisch. & C.A. Mey. ssp. faucibarbatus (A. Gray) T.I. Chuang & Heckard Native TRVEF

  yellowbeak owl's-clover · Scrophulariaceae 10 counties
• 
  Triphysaria versicolor Fisch. & C.A. Mey. ssp. versicolor Native TRVEV

  yellowbeak owl's-clover · Scrophulariaceae 13 counties
• 
  Tripterocalyx crux-maltae (Kellogg) Standl. Native TRCR5

  Lassen sandverbena · Nyctaginaceae 1 county
• 
  Tripterocalyx micranthus (Torr.) Hook. Native TRMI6

  smallflower sandverbena · Nyctaginaceae 1 county
• 
  Trisetum canescens Buckley Native TRCA21

  tall trisetum · Poaceae 41 counties
• 
  Trisetum flavescens (L.) P. Beauv. Introduced TRFL5

  yellow oatgrass · Poaceae 1 county
• 
  Trisetum spicatum (L.) K. Richt. Native TRSP2

  spike trisetum · Poaceae 23 counties
• 
  Trisetum wolfii Vasey Native TRWO3

  Wolf's trisetum · Poaceae 14 counties
• 
  Tristagma uniflorum (Lindl.) Traub Introduced TRUN6

  springstar · Liliaceae 3 counties
• 
  Triteleia bridgesii (S. Watson) Greene Native TRBR7

  Bridges' brodiaea · Liliaceae 16 counties
• 
  Triteleia clementina Hoover Native TRCL

  San Clemente Island triteleia · Liliaceae 1 county
• 
  Triteleia crocea (Alph. Wood) Greene Native TRCR7

  yellow triteleia · Liliaceae 4 counties
• 
  Triteleia crocea (Alph. Wood) Greene var. crocea Native TRCRC

  yellow triteleia · Liliaceae 4 counties
• 
  Triteleia crocea (Alph. Wood) Greene var. modesta (H.M. Hall) Hoover Native TRCRM

  yellow triteleia · Liliaceae 3 counties
• 
  Triteleia dudleyi Hoover Native TRDU4

  Dudley's triteleia · Liliaceae 7 counties
• 
  Triteleia grandiflora Lindl. Native TRGR7

  largeflower triteleia · Liliaceae 3 counties
• 
  Triteleia grandiflora Lindl. var. grandiflora Native TRGRG2

  largeflower triteleia · Liliaceae 1 county
• 
  Triteleia grandiflora Lindl. var. howellii (S. Watson) Hoover Native TRGRH

  Howell's triteleia · Liliaceae 2 counties
• 
  Triteleia hendersonii Greene Native TRHE

  Henderson's triteleia · Liliaceae 1 county