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 7,851–7,900 of 8,499 (native).

• 
  Spiranthes porrifolia Lindl. Native SPPO7

  creamy lady's tresses · Orchidaceae 40 counties
• 
  Spiranthes romanzoffiana Cham. Native SPRO

  hooded lady's tresses · Orchidaceae 38 counties
• 
  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae 22 counties
• 
  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae 16 counties
• 
  Sporobolus contractus Hitchc. Native SPCO4

  spike dropseed · Poaceae 3 counties
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae 19 counties
• 
  Sporobolus flexuosus (Thurb. ex Vasey) Rydb. Native SPFL2

  mesa dropseed · Poaceae 4 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae 2 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2

  poverty dropseed · Poaceae 2 counties
• 
  Stachys ajugoides Benth. Native STAJ

  bugle hedgenettle · Lamiaceae 29 counties
• 
  Stachys albens A. Gray Native STAL

  whitestem hedgenettle · Lamiaceae 31 counties
• 
  Stachys bergii G. Mulligan & D. Munro Native STBE6

  Berg's hedgenettle · Lamiaceae 1 county
• 
  Stachys bullata Benth. Native STBU

  California hedgenettle · Lamiaceae 19 counties
• 
  Stachys chamissonis Benth. Native STCH

  coastal hedgenettle · Lamiaceae 10 counties
• 
  Stachys chamissonis Benth. var. chamissonis Native STCHC2

  coastal hedgenettle · Lamiaceae 10 counties
• 
  Stachys chamissonis Benth. var. cooleyae (A. Heller) G. Mulligan & D. Munro Native STCHC3

  coastal hedgenettle · Lamiaceae 1 county
• 
  Stachys floridana Shuttlw. ex Benth. Native STFL4

  Florida hedgenettle · Lamiaceae 1 county
• 
  Stachys mexicana Benth. Native STME

  Mexican hedgenettle · Lamiaceae 1 county
• 
  Stachys pilosa Nutt. Native STPI6

  hairy hedgenettle · Lamiaceae 5 counties
• 
  Stachys pilosa Nutt. var. pilosa Native STPIP5

  hairy hedgenettle · Lamiaceae 5 counties
• 
  Stachys pycnantha Benth. Native STPY

  shortspike hedgenettle · Lamiaceae 18 counties
• 
  Stachys rigida Nutt. ex Benth. Native STRI

  rough hedgenettle · Lamiaceae 46 counties
• 
  Stachys rigida Nutt. ex Benth. var. quercetorum (A. Heller) G. Mulligan & D. Munro Native STRIQ2

  rough hedgenettle · Lamiaceae 12 counties
• 
  Stachys rigida Nutt. ex Benth. var. rigida Native STRIR3

  rough hedgenettle · Lamiaceae 46 counties
• 
  Stachys stebbinsii G. Mulligan & D. Munro Native STST17

  Stebbins' hedgenettle · Lamiaceae 3 counties
• 
  Stachys stricta Greene Native STST

  Sonoma hedgenettle · Lamiaceae 15 counties
• 
  Stanfordia californica S. Watson Native STCA23

  St. Francis cabbage · Brassicaceae 7 counties
• 
  Stanleya elata M.E. Jones Native STEL

  Panamint princesplume · Brassicaceae 1 county
• 
  Stanleya pinnata (Pursh) Britton Native STPI

  desert princesplume · Brassicaceae 11 counties
• 
  Stanleya pinnata (Pursh) Britton var. inyoensis (Munz & Roos) Reveal Native STPII2

  Inyo princesplume · Brassicaceae 1 county
• 
  Stanleya pinnata (Pursh) Britton var. pinnata Native STPIP

  desert princesplume · Brassicaceae 6 counties
• 
  Stanleya viridiflora Nutt. Native STVI

  green princesplume · Brassicaceae 2 counties
• 
  Staphylea bolanderi A. Gray Native STBO

  Sierra bladdernut · Staphyleaceae 8 counties
• 
  Stellaria borealis Bigelow Native STBO3

  boreal starwort · Caryophyllaceae 16 counties
• 
  Stellaria borealis Bigelow ssp. sitchana (Steud.) Piper Native STBOS

  Sitka starwort · Caryophyllaceae 16 counties
• 
  Stellaria calycantha (Ledeb.) Bong. Native STCA

  northern starwort · Caryophyllaceae 20 counties
• 
  Stellaria crispa Cham. & Schltdl. Native STCR2

  curled starwort · Caryophyllaceae 23 counties
• 
  Stellaria littoralis Torr. Native STLI

  beach starwort · Caryophyllaceae 5 counties
• 
  Stellaria longifolia Muhl. ex Willd. Native STLO

  longleaf starwort · Caryophyllaceae 3 counties
• 
  Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOL

  longleaf starwort · Caryophyllaceae 3 counties
• 
  Stellaria longipes Goldie Native STLO2

  longstalk starwort · Caryophyllaceae 24 counties
• 
  Stellaria longipes Goldie ssp. longipes Native STLOL7

  longstalk starwort · Caryophyllaceae 24 counties
• 
  Stellaria nitens Nutt. Native STNI

  shiny chickweed · Caryophyllaceae 43 counties
• 
  Stellaria obtusa Engelm. Native STOB

  Rocky Mountain chickweed · Caryophyllaceae 9 counties
• 
  Stellaria umbellata Turcz. ex Kar. & Kir. Native STUM

  umbrella starwort · Caryophyllaceae 19 counties
• 
  Stemodia durantifolia (L.) Sw. Native STDU

  whitewoolly twintip · Scrophulariaceae 2 counties
• 
  Stenanthium occidentale A. Gray Native STOC

  western featherbells · Liliaceae 3 counties
• 
  Stenotaphrum secundatum (Walter) Kuntze Native STSE

  St. Augustine grass · Poaceae 6 counties
• 
  Stenotus acaulis (Nutt.) Nutt. Native STAC

  stemless mock goldenweed · Asteraceae 10 counties
• 
  Stenotus lanuginosus (A. Gray) Greene Native STLA7

  woolly mock goldenweed · Asteraceae 2 counties