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 9,501–9,550 of 9,954.

• 
  Trichophorum pumilum (Vahl) Schinz & Thell. Native TRPU18

  Rolland's bulrush · Cyperaceae 1 county
• 
  Trichoptilium incisum (A. Gray) A. Gray Native TRIN2

  yellowdome · Asteraceae 4 counties
• 
  Trichostema austromontanum F.H. Lewis Native TRAU

  San Jacinto bluecurls · Lamiaceae 6 counties
• 
  Trichostema austromontanum F.H. Lewis ssp. austromontanum Native TRAUA2

  San Jacinto bluecurls · Lamiaceae 4 counties
• 
  Trichostema austromontanum F.H. Lewis ssp. compactum Native TRAUC

  San Jacinto bluecurls · Lamiaceae 1 county
• 
  Trichostema lanatum Benth. Native TRLA3

  woolly bluecurls · Lamiaceae 9 counties
• 
  Trichostema lanceolatum Benth. Native TRLA4

  vinegarweed · Lamiaceae 44 counties
• 
  Trichostema laxum A. Gray Native TRLA5

  turpentine weed · Lamiaceae 12 counties
• 
  Trichostema micranthum A. Gray Native TRMI3

  smallflower bluecurls · Lamiaceae 2 counties
• 
  Trichostema oblongum Benth. Native TROB

  oblong bluecurls · Lamiaceae 27 counties
• 
  Trichostema ovatum Curran Native TROV

  San Joaquin bluecurls · Lamiaceae 5 counties
• 
  Trichostema parishii Vasey Native TRPA3

  Parish's bluecurls · Lamiaceae 6 counties
• 
  Trichostema rubisepalum Elmer Native TRRU

  Hernandez's bluecurls · Lamiaceae 4 counties
• 
  Trichostema ruygtii F.H. Lewis Native TRRU11

  Napa bluecurls · Lamiaceae 1 county
• 
  Trichostema simulatum Jeps. Native TRSI

  Siskiyou bluecurls · Lamiaceae 8 counties
• 
  Tridens muticus (Torr.) Nash Native TRMU

  slim tridens · Poaceae 4 counties
• 
  Tridens muticus (Torr.) Nash var. muticus Native TRMUM

  slim tridens · Poaceae 4 counties
• 
  Trientalis borealis Raf. Native TRBO2

  starflower · Primulaceae 28 counties
• 
  Trientalis borealis Raf. ssp. latifolia (Hook.) Hultén Native TRBOL

  broadleaf starflower · Primulaceae 28 counties
• 
  Trientalis europaea L. Native TREU

  arctic starflower · Primulaceae 1 county
• 
  Trientalis europaea L. ssp. arctica (Fisch. ex Hook.) Hultén Native TREUA

  arctic starflower · Primulaceae 1 county
• 
  Trifolium albopurpureum Torr. & A. Gray Native TRAL5

  rancheria clover · Fabaceae 50 counties
• 
  Trifolium alexandrinum L. Introduced TRAL6

  Egyptian clover · Fabaceae 1 county
• 
  Trifolium amoenum Greene Native TRAM3

  showy Indian clover · Fabaceae 6 counties
• 
  Trifolium andersonii A. Gray Native TRAN

  fiveleaf clover · Fabaceae 9 counties
• 
  Trifolium andersonii A. Gray ssp. andersonii Native TRANA2

  fiveleaf clover · Fabaceae 7 counties
• 
  Trifolium andersonii A. Gray ssp. beatleyae J.M. Gillett Native TRANB

  Beatley's clover · Fabaceae 2 counties
• 
  Trifolium andersonii A. Gray ssp. monoense (Greene) J.M. Gillett Native TRANM

  Mono clover · Fabaceae 1 county
• 
  Trifolium angustifolium L. Introduced TRAN6

  narrowleaf crimson clover · Fabaceae 4 counties
• 
  Trifolium arvense L. Introduced TRAR4

  rabbitfoot clover · Fabaceae 5 counties
• 
  Trifolium aureum Pollich Introduced TRAU2

  golden clover · Fabaceae 1 county
• 
  Trifolium barbigerum Torr. Native TRBA

  bearded clover · Fabaceae 22 counties
• 
  Trifolium barbigerum Torr. var. andrewsii A. Gray Native TRBAA

  Andrews' clover · Fabaceae 14 counties
• 
  Trifolium barbigerum Torr. var. barbigerum Native TRBAB

  bearded clover · Fabaceae 12 counties
• 
  Trifolium beckwithii W.H. Brewer ex S. Watson Native TRBE2

  Beckwith's clover · Fabaceae 3 counties
• 
  Trifolium bifidum A. Gray Native TRBI

  notchleaf clover · Fabaceae 33 counties
• 
  Trifolium bolanderi A. Gray Native TRBO3

  parasol clover · Fabaceae 3 counties
• 
  Trifolium breweri S. Watson Native TRBR3

  forest clover · Fabaceae 16 counties
• 
  Trifolium buckwestiorum Isely Native TRBU3

  Santa Cruz clover · Fabaceae 3 counties
• 
  Trifolium campestre Schreb. Introduced TRCA5

  field clover · Fabaceae 21 counties
• 
  Trifolium cernuum Brot. Introduced TRCE9

  nodding clover · Fabaceae 2 counties
• 
  Trifolium ciliolatum Benth. Native TRCI

  foothill clover · Fabaceae 44 counties
• 
  Trifolium cyathiferum Lindl. Native TRCY

  cup clover · Fabaceae 25 counties
• 
  Trifolium dedeckerae J.M. Gillett Native TRDE4

  Dedecker's clover · Fabaceae 4 counties
• 
  Trifolium depauperatum Desv. Native TRDE

  cowbag clover · Fabaceae 48 counties
• 
  Trifolium depauperatum Desv. var. amplectens (Torr. & A. Gray) S. Watson Native TRDEA

  balloon sack clover · Fabaceae 31 counties
• 
  Trifolium depauperatum Desv. var. depauperatum Native TRDED

  cowbag clover · Fabaceae 31 counties
• 
  Trifolium depauperatum Desv. var. diversifolium (Nutt.) McDermott Native TRDED2

  balloon sack clover · Fabaceae 10 counties
• 
  Trifolium depauperatum Desv. var. stenophyllum (Nutt.) McDermott Native TRDES

  balloon sack clover · Fabaceae 27 counties
• 
  Trifolium dichotomum Hook. & Arn. Native TRDI6

  branched Indian clover · Fabaceae 29 counties