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 9,401–9,450 of 9,954.

• 
  Teucrium fruticans L. Introduced TEFR3

  shrubby germander · Lamiaceae 1 county
• 
  Teucrium glandulosum Kellogg Native TEGL2

  sticky germander · Lamiaceae 1 county
• 
  Thalictrum alpinum L. Native THAL

  alpine meadow-rue · Ranunculaceae 2 counties
• 
  Thalictrum fendleri Engelm. ex A. Gray Native THFE

  Fendler's meadow-rue · Ranunculaceae 41 counties
• 
  Thalictrum fendleri Engelm. ex A. Gray var. fendleri Native THFEF

  Fendler's meadow-rue · Ranunculaceae 21 counties
• 
  Thalictrum fendleri Engelm. ex A. Gray var. polycarpum Torr. Native THFEP2

  Fendler's meadow-rue · Ranunculaceae 33 counties
• 
  Thalictrum occidentale A. Gray Native THOC

  western meadow-rue · Ranunculaceae 4 counties
• 
  Thalictrum occidentale A. Gray var. occidentale Native THOCO2

  western meadow-rue · Ranunculaceae 4 counties
• 
  Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. Native THSP

  fewflower meadow-rue · Ranunculaceae 20 counties
• 
  Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. saximontanum B. Boivin Native THSPS

  fewflower meadow-rue · Ranunculaceae 20 counties
• 
  Thalictrum venulosum Trel. Native THVE

  veiny meadow-rue · Ranunculaceae 1 county
• 
  Thamnosma montana Torr. & Frém. Native THMO

  turpentinebroom · Rutaceae 5 counties
• 
  Thelesperma megapotamicum (Spreng.) Kuntze Native THME

  Hopi tea greenthread · Asteraceae 2 counties
• 
  Thelypodium brachycarpum Torr. Native THBR

  shortpod thelypody · Brassicaceae 8 counties
• 
  Thelypodium crispum Greene ex Payson Native THCR

  crisped thelypody · Brassicaceae 7 counties
• 
  Thelypodium flexuosum B.L. Rob. Native THFL3

  nodding thelypody · Brassicaceae 4 counties
• 
  Thelypodium howellii S. Watson Native THHO

  Howell's thelypody · Brassicaceae 4 counties
• 
  Thelypodium howellii S. Watson ssp. howellii Native THHOH

  Howell's thelypody · Brassicaceae 4 counties
• 
  Thelypodium integrifolium (Nutt.) Endl. ex Walp. Native THIN

  entireleaved thelypody · Brassicaceae 7 counties
• 
  Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. affine (Greene) Al-Shehbaz Native THINA

  entireleaved thelypody · Brassicaceae 2 counties
• 
  Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. complanatum Al-Shehbaz Native THINC

  entireleaved thelypody · Brassicaceae 3 counties
• 
  Thelypodium laciniatum (Hook.) Endl. ex Walp. Native THLA

  cutleaf thelypody · Brassicaceae 5 counties
• 
  Thelypodium milleflorum A. Nelson Native THMI5

  manyflower thelypody · Brassicaceae 6 counties
• 
  Thelypodium stenopetalum S. Watson Native THST

  slenderpetal thelypody · Brassicaceae 1 county
• 
  Thelypteris nevadensis (Baker) Clute ex Morton Native THNE

  Sierra marsh fern · Thelypteridaceae 7 counties
• 
  Thelypteris puberula (Baker) Morton Native THPU

  showy maiden fern · Thelypteridaceae 4 counties
• 
  Thelypteris puberula (Baker) Morton var. sonorensis A.R. Sm. Native THPUS

  Sonoran maiden fern · Thelypteridaceae 4 counties
• 
  Themeda quadrivalvis (L.) Kuntze Introduced THQU

  kangaroo grass · Poaceae 1 county
• 
  Themeda quadrivalvis (L.) Kuntze var. quadrivalvis Introduced THQUQ

  kangaroo grass · Poaceae 1 county
• 
  Thermopsis californica S. Watson Native THCA4

  California goldenbanner · Fabaceae 11 counties
• 
  Thermopsis californica S. Watson var. argentata (Greene) C.J. Chen & B.L. Turner Native THCAA

  California goldenbanner · Fabaceae 7 counties
• 
  Thermopsis californica S. Watson var. californica Native THCAC2

  California goldenbanner · Fabaceae 1 county
• 
  Thermopsis californica S. Watson var. semota (Jeps.) C.J. Chen & B.L. Turner Native THCAS2

  California goldenbanner · Fabaceae 1 county
• 
  Thermopsis gracilis Howell Native THGR6

  slender goldenbanner · Fabaceae 5 counties
• 
  Thermopsis gracilis Howell var. gracilis Native THGRG

  slender goldenbanner · Fabaceae 5 counties
• 
  Thermopsis macrophylla Hook. & Arn. Native THMA2

  Santa Inez goldenbanner · Fabaceae 2 counties
• 
  Thermopsis robusta Howell Native THRO4

  showy goldenbanner · Fabaceae 3 counties
• 
  Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

  intermediate wheatgrass · Poaceae 18 counties
• ⚘
  Thinopyrum junceiforme (Á. Löve & D. Löve) Á. Löve Native THJU3

  Russian wheatgrass · Poaceae 1 county
• 
  Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang Introduced THPO7

  tall wheatgrass · Poaceae 18 counties
• 
  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae 13 counties
• 
  Thuja plicata Donn ex D. Don Native THPL

  western redcedar · Cupressaceae 4 counties
• 
  Thymophylla pentachaeta (DC.) Small Native THPE4

  fiveneedle pricklyleaf · Asteraceae 2 counties
• 
  Thymophylla pentachaeta (DC.) Small var. belenidium (DC.) Strother Native THPEB

  fiveneedle pricklyleaf · Asteraceae 2 counties
• 
  Thysanocarpus conchuliferus Greene Native THCO9

  Santa Cruz Island fringepod · Brassicaceae 1 county
• 
  Thysanocarpus curvipes Hook. Native THCU

  sand fringepod · Brassicaceae 52 counties
• 
  Thysanocarpus laciniatus Nutt. Native THLA3

  mountain fringepod · Brassicaceae 27 counties
• 
  Thysanocarpus radians Benth. Native THRA

  ribbed fringepod · Brassicaceae 25 counties
• 
  Tiarella trifoliata L. Native TITR

  threeleaf foamflower · Saxifragaceae 11 counties
• 
  Tiarella trifoliata L. var. trifoliata Native TITRT

  threeleaf foamflower · Saxifragaceae 2 counties