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 9,051–9,100 of 9,954.

• ⚘
  Solanum wallacei (A. Gray) Parish Native SOWA

  Catalina nightshade · Solanaceae 1 county
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  Solanum xanti A. Gray Native SOXA

  chaparral nightshade · Solanaceae 40 counties
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  Solanum xanti A. Gray var. glabrescens Parish Native SOXAG

  chaparral nightshade · Solanaceae 4 counties
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  Solanum xanti A. Gray var. hoffmannii Munz Native SOXAH

  Hoffmann's nightshade · Solanaceae 2 counties
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  Solanum xanti A. Gray var. intermedium Parish Native SOXAI

  chaparral nightshade · Solanaceae 40 counties
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  Solanum xanti A. Gray var. montanum Munz Native SOXAM

  chaparral nightshade · Solanaceae 15 counties
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  Solanum xanti A. Gray var. obispoense (Eastw.) Wiggins Native SOXAO

  San Luis Obispo nightshade · Solanaceae 1 county
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  Solanum xanti A. Gray var. xanti Native SOXAX

  chaparral nightshade · Solanaceae 5 counties
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  Soleirolia soleirolii (Req.) Dandy Introduced SOSO

  mother of thousands · Urticaceae 12 counties
• 
  Solidago altissima L. Native SOAL6

  Canada goldenrod · Asteraceae 47 counties
• ⚘
  Solidago californica Nutt. Native SOCA5

  California goldenrod · Asteraceae 50 counties
• 
  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae 36 counties
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  Solidago canadensis L. var. salebrosa (Piper) M.E. Jones Native SOCAS

  rough Canada goldenrod · Asteraceae 36 counties
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  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae 2 counties
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  Solidago guiradonis A. Gray Native SOGU

  Guirado goldenrod · Asteraceae 3 counties
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  Solidago missouriensis Nutt. Native SOMI2

  Missouri goldenrod · Asteraceae 1 county
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  Solidago multiradiata Aiton Native SOMU

  Rocky Mountain goldenrod · Asteraceae 12 counties
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  Solidago multiradiata Aiton var. scopulorum A. Gray Native SOMUS

  manyray goldenrod · Asteraceae 12 counties
• 
  Solidago simplex Kunth Native SOSI3

  Mt. Albert goldenrod · Asteraceae 11 counties
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  Solidago simplex Kunth ssp. simplex Native SOSIS

  Mt. Albert goldenrod · Asteraceae 11 counties
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  Solidago simplex Kunth ssp. simplex var. nana (A. Gray) Ringius Native SOSIN

  dwarf goldenrod · Asteraceae 1 county
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  Solidago simplex Kunth ssp. simplex var. spathulata (DC.) Cronquist Native SOSIS4

  Mt. Albert goldenrod · Asteraceae 10 counties
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  Solidago spectabilis (D.C. Eaton) A. Gray Native SOSP3

  Nevada goldenrod · Asteraceae 19 counties
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  Solidago spectabilis (D.C. Eaton) A. Gray var. confinis (A. Gray) Cronquist Native SOSPC

  Nevada goldenrod · Asteraceae 13 counties
• 
  Solidago spectabilis (D.C. Eaton) A. Gray var. spectabilis Native SOSPS6

  Nevada goldenrod · Asteraceae 7 counties
• 
  Solidago velutina DC. Native SOVE6

  threenerve goldenrod · Asteraceae 9 counties
• 
  Soliva sessilis Ruiz & Pav. Introduced SOSE2

  field burrweed · Asteraceae 37 counties
• 
  Sollya heterophylla Lindl. Introduced SOHE2

  bluebell creeper · Pittosporaceae 15 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 12 counties
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 12 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 46 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 36 counties
• 
  Sonchus tenerrimus L. Introduced SOTE3

  slender sowthistle · Asteraceae 9 counties
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 1 county
• 
  Sorbus californica Greene Native SOCA8

  California mountain ash · Rosaceae 20 counties
• 
  Sorbus scopulina Greene Native SOSC2

  Greene's mountain ash · Rosaceae 17 counties
• 
  Sorbus scopulina Greene var. cascadensis (G.N. Jones) C.L. Hitchc. Native SOSCC

  Cascade mountain ash · Rosaceae 8 counties
• 
  Sorbus scopulina Greene var. scopulina Native SOSCS

  Greene's mountain ash · Rosaceae 10 counties
• 
  Sorbus sitchensis M. Roem. Native SOSI2

  western mountain ash · Rosaceae 1 county
• 
  Sorbus sitchensis M. Roem. var. grayi (Wenzig) C.L. Hitchc. Native SOSIG

  western mountain ash · Rosaceae 1 county
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 22 counties
• 
  Sorghum bicolor (L.) Moench ssp. bicolor Introduced SOBIB

  grain sorghum · Poaceae 1 county
• 
  Sorghum bicolor (L.) Moench ssp. drummondii (Nees ex Steud.) de Wet & Harlan Introduced SOBID

  Sudangrass · Poaceae 3 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 40 counties
• 
  Sparaxis fragrans (Jacq.) Ker Gawl. Introduced SPFR2

  fragrant wandflower · Iridaceae 1 county
• 
  Sparaxis fragrans (Jacq.) Ker Gawl. ssp. grandiflora (D. Delar.) Goldbl. Introduced SPFRG

  fragrant wandflower · Iridaceae 1 county
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae 26 counties
• 
  Sparganium emersum Rehmann Native SPEM2

  European bur-reed · Sparganiaceae 13 counties
• 
  Sparganium erectum L. Introduced SPER

  simplestem bur-reed · Sparganiaceae 13 counties
• 
  Sparganium erectum L. ssp. stoloniferum (Graebn.) H. Hara Introduced SPERS2

  simplestem bur-reed · Sparganiaceae 13 counties