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 9,651–9,700 of 9,954.

• 
  Triteleia hendersonii Greene var. hendersonii Native TRHEH

  Henderson's triteleia · Liliaceae 1 county
• 
  Triteleia hyacinthina (Lindl.) Greene Native TRHY3

  white brodiaea · Liliaceae 45 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene Native TRIX

  prettyface · Liliaceae 35 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. anilina (Greene) Lenz Native TRIXA

  prettyface · Liliaceae 19 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. cookii (Hoover) Lenz Native TRIXC

  Cook's triteleia · Liliaceae 2 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. ixioides Native TRIXI2

  golden brodiaea · Liliaceae 7 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. scabra (Greene) Lenz Native TRIXS

  prettyface · Liliaceae 18 counties
• 
  Triteleia ixioides (W.T. Aiton) Greene ssp. unifolia Lenz Native TRIXU2

  prettyface · Liliaceae 11 counties
• 
  Triteleia laxa Benth. Native TRLA16

  Ithuriel's spear · Liliaceae 41 counties
• ⚘
  Triteleia lilacinum Greene Native TRLI8

  foothill triteleia · Liliaceae 6 counties
• 
  Triteleia lugens Greene Native TRLU4

  Coast Range triteleia · Liliaceae 6 counties
• 
  Triteleia montana Hoover Native TRMO11

  Sierra triteleia · Liliaceae 7 counties
• 
  Triteleia peduncularis Lindl. Native TRPE10

  long-ray brodiaea · Liliaceae 13 counties
• ⚘
  Triteleia versicolor Hoover Native TRVE3

  pinto triteleia · Liliaceae 1 county
• 
  Triticum aestivum L. Introduced TRAE

  common wheat · Poaceae 29 counties
• 
  Trixis californica Kellogg Native TRCA8

  American threefold · Asteraceae 5 counties
• 
  Tropaeolum majus L. Introduced TRMA7

  nasturtium · Tropaeolaceae 15 counties
• 
  Tropidocarpum capparideum Greene Native TRCA9

  caperfruit tropidocarpum · Brassicaceae 6 counties
• 
  Tropidocarpum gracile Hook. Native TRGR5

  dobie pod · Brassicaceae 36 counties
• 
  Tsuga heterophylla (Raf.) Sarg. Native TSHE

  western hemlock · Pinaceae 4 counties
• 
  Tsuga mertensiana (Bong.) Carrière Native TSME

  mountain hemlock · Pinaceae 21 counties
• 
  Tuctoria greenei (Vasey) J. Reeder Native TUGR

  awnless spiralgrass · Poaceae 10 counties
• 
  Tuctoria mucronata (Crampton) J. Reeder Native TUMU

  prickly spiralgrass · Poaceae 2 counties
• 
  Tulipa clusiana DC. Introduced TUCL

  lady tulip · Liliaceae 1 county
• ⚘
  Twisselmannia californica Al-Shehbaz Native TWCA

  king's gold · Brassicaceae 1 county
• 
  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae 28 counties
• 
  Typha domingensis Pers. Native TYDO

  southern cattail · Typhaceae 38 counties
• 
  Typha latifolia L. Native TYLA

  broadleaf cattail · Typhaceae 47 counties
• ⚘
  Typha ×bethulona Costa [domingensis × latifolia] Native TYBE

  Typhaceae 3 counties
• ⚘
  Typha ×glauca Godr. (pro sp.) [angustifolia or domingensis × latifolia] Native TYGL

  hybrid cattail · Typhaceae 3 counties
• 
  Ulex europaeus L. Introduced ULEU

  common gorse · Fabaceae 20 counties
• 
  Ulmus parvifolia Jacq. Introduced ULPA

  Chinese elm · Ulmaceae 6 counties
• 
  Ulmus procera Salisb. Introduced ULPR

  English elm · Ulmaceae 11 counties
• 
  Ulmus pumila L. Introduced ULPU

  Siberian elm · Ulmaceae 7 counties
• ⚘
  Ulva clathratioides L.G. Kraft, Kraft, & R.F. Waller Introduced ULCL

  sea lettuce · Ulvaceae 1 county
• 
  Ulva pertusa Kjellman Introduced ULPE

  sea lettuce · Ulvaceae 2 counties
• 
  Umbellularia californica (Hook. & Arn.) Nutt. Native UMCA

  California laurel · Lauraceae 49 counties
• 
  Umbellularia californica (Hook. & Arn.) Nutt. var. californica Native UMCAC

  California laurel · Lauraceae 49 counties
• 
  Umbellularia californica (Hook. & Arn.) Nutt. var. fresnensis Eastw. Native UMCAF

  California laurel · Lauraceae 1 county
• 
  Urochloa maxima (Jacq.) R. Webster Introduced URMA3

  guineagrass · Poaceae 1 county
• 
  Urochloa texana (Buckley) R. Webster Native URTE2

  Texas signalgrass · Poaceae 2 counties
• 
  Urospermum picroides (L.) Scop. ex F.W. Schmidt Introduced URPI

  prickly goldenfleece · Asteraceae 5 counties
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae 48 counties
• 
  Urtica dioica L. ssp. dioica Introduced URDID

  stinging nettle · Urticaceae 1 county
• 
  Urtica dioica L. ssp. gracilis (Aiton) Seland. Native URDIG

  California nettle · Urticaceae 15 counties
• 
  Urtica dioica L. ssp. holosericea (Nutt.) Thorne Native URDIH

  stinging nettle · Urticaceae 46 counties
• 
  Urtica urens L. Introduced URUR

  dwarf nettle · Urticaceae 28 counties
• 
  Utricularia gibba L. Native UTGI

  humped bladderwort · Lentibulariaceae 11 counties
• 
  Utricularia intermedia Hayne Native UTIN2

  flatleaf bladderwort · Lentibulariaceae 5 counties
• 
  Utricularia macrorhiza Leconte Native UTMA

  common bladderwort · Lentibulariaceae 27 counties