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 9,001–9,050 of 9,954.

• 
  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae 22 counties
• 
  Sisymbrium loeselii L. Introduced SILO3

  small tumbleweed mustard · Brassicaceae 9 counties
• 
  Sisymbrium officinale (L.) Scop. Introduced SIOF

  hedgemustard · Brassicaceae 35 counties
• 
  Sisymbrium orientale L. Introduced SIOR4

  Indian hedgemustard · Brassicaceae 22 counties
• 
  Sisyrinchium bellum S. Watson Native SIBE

  western blue-eyed grass · Iridaceae 47 counties
• 
  Sisyrinchium californicum (Ker Gawl.) Aiton Native SICA8

  golden blue-eyed grass · Iridaceae 13 counties
• 
  Sisyrinchium elmeri Greene Native SIEL3

  Elmer's blue-eyed grass · Iridaceae 14 counties
• 
  Sisyrinchium funereum E.P. Bicknell Native SIFU

  Funeral Mountain blue-eyed grass · Iridaceae 1 county
• 
  Sisyrinchium halophilum Greene Native SIHA2

  Nevada blue-eyed grass · Iridaceae 9 counties
• 
  Sisyrinchium idahoense E.P. Bicknell Native SIID

  Idaho blue-eyed grass · Iridaceae 17 counties
• 
  Sisyrinchium idahoense E.P. Bicknell var. idahoense Native SIIDI

  Idaho blue-eyed grass · Iridaceae 11 counties
• 
  Sisyrinchium idahoense E.P. Bicknell var. occidentale (E.P. Bicknell) Douglass M. Hend. Native SIIDO

  Idaho blue-eyed grass · Iridaceae 7 counties
• 
  Sisyrinchium minus Engelm. & A. Gray Native SIMI2

  dwarf blue-eyed grass · Iridaceae 1 county
• 
  Sium suave Walter Native SISU2

  hemlock waterparsnip · Apiaceae 15 counties
• 
  Smelowskia ovalis M.E. Jones Native SMOV

  alpine false candytuft · Brassicaceae 1 county
• 
  Smelowskia ovalis M.E. Jones var. congesta Rollins Native SMOVC

  alpine false candytuft · Brassicaceae 1 county
• 
  Smilax californica (A. DC.) A. Gray Native SMCA2

  California greenbrier · Smilacaceae 8 counties
• 
  Smilax jamesii G. Wallace Native SMJA

  English Peak greenbrier · Smilacaceae 4 counties
• 
  Solanum americanum Mill. Native SOAM

  American black nightshade · Solanaceae 39 counties
• 
  Solanum aviculare G. Forst. Introduced SOAV

  New Zealand nightshade · Solanaceae 5 counties
• 
  Solanum cardiophyllum Lindl. Introduced SOCA19

  heartleaf horsenettle · Solanaceae 1 county
• 
  Solanum carolinense L. Native SOCA3

  Carolina horsenettle · Solanaceae 20 counties
• 
  Solanum carolinense L. var. carolinense Native SOCAC4

  Carolina horsenettle · Solanaceae 20 counties
• 
  Solanum clokeyi Munz Native SOCL

  Clokey's nightshade · Solanaceae 1 county
• 
  Solanum dimidiatum Raf. Native SODI

  western horsenettle · Solanaceae 5 counties
• 
  Solanum douglasii Dunal Native SODO

  greenspot nightshade · Solanaceae 17 counties
• 
  Solanum dulcamara L. Introduced SODU

  climbing nightshade · Solanaceae 5 counties
• 
  Solanum dulcamara L. var. dulcamara Introduced SODUD

  climbing nightshade · Solanaceae 5 counties
• 
  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae 49 counties
• 
  Solanum furcatum Dunal ex Poir. Introduced SOFU4

  forked nightshade · Solanaceae 6 counties
• 
  Solanum gayanum (Remy) Phil. f. Introduced SOGA2

  Chilean nightshade · Solanaceae 1 county
• 
  Solanum lanceolatum Cav. Introduced SOLA

  orangeberry nightshade · Solanaceae 22 counties
• 
  Solanum lycopersicum L. Introduced SOLY2

  garden tomato · Solanaceae 17 counties
• 
  Solanum lycopersicum L. var. lycopersicum Introduced SOLYL

  garden tomato · Solanaceae 17 counties
• 
  Solanum marginatum L. f. Introduced SOMA

  purple African nightshade · Solanaceae 12 counties
• 
  Solanum nigrum L. Introduced SONI

  black nightshade · Solanaceae 13 counties
• 
  Solanum parishii A. Heller Native SOPA

  Parish's nightshade · Solanaceae 25 counties
• 
  Solanum peruvianum L. Introduced SOPE9

  Peruvian nightshade · Solanaceae 1 county
• 
  Solanum physalifolium Rusby Introduced SOPH

  hoe nightshade · Solanaceae 25 counties
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae 22 counties
• 
  Solanum scabrum Mill. Introduced SOSC6

  garden-huckleberry · Solanaceae 3 counties
• 
  Solanum sisymbriifolium Lam. Introduced SOSI

  sticky nightshade · Solanaceae 1 county
• ⚘
  Solanum tenuilobatum Parish Native SOTE

  San Diego nightshade · Solanaceae 1 county
• 
  Solanum triflorum Nutt. Native SOTR

  cutleaf nightshade · Solanaceae 10 counties
• 
  Solanum tuberosum L. Introduced SOTU

  Irish potato · Solanaceae 2 counties
• 
  Solanum umbelliferum Eschsch. Native SOUM

  bluewitch nightshade · Solanaceae 31 counties
• 
  Solanum umbelliferum Eschsch. var. glabrescens Torr. Native SOUMG

  bluewitch · Solanaceae 7 counties
• 
  Solanum umbelliferum Eschsch. var. incanum Torr. Native SOUMI

  bluewitch · Solanaceae 11 counties
• 
  Solanum umbelliferum Eschsch. var. umbelliferum Native SOUMU

  bluewitch nightshade · Solanaceae 19 counties
• 
  Solanum villosum (L.) Mill. Introduced SOVI8

  hairy nightshade · Solanaceae 1 county