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 8,401–8,450 of 9,954.

• 
  Romanzoffia tracyi Jeps. Native ROTR

  Tracy's mistmaiden · Hydrophyllaceae 2 counties
• 
  Romneya coulteri Harv. Native ROCO

  Coulter's Matilija poppy · Papaveraceae 5 counties
• 
  Romneya trichocalyx Eastw. Native ROTR2

  bristly Matilija poppy · Papaveraceae 4 counties
• 
  Romulea rosea (L.) Eckl. Introduced RORO

  rosy sandcrocus · Iridaceae 5 counties
• 
  Romulea rosea (L.) Eckl. var. australis (Ewart) de Vos Introduced ROROA

  rosy sandcrocus · Iridaceae 5 counties
• 
  Rorippa austriaca (Crantz) Besser Introduced ROAU

  Austrian yellowcress · Brassicaceae 1 county
• 
  Rorippa columbiae (Suksd. ex B.L. Rob.) Suksd. ex Howell Native ROCO3

  Columbian yellowcress · Brassicaceae 5 counties
• 
  Rorippa curvipes Greene Native ROCU2

  bluntleaf yellowcress · Brassicaceae 13 counties
• 
  Rorippa curvipes Greene var. curvipes Native ROCUC

  bluntleaf yellowcress · Brassicaceae 2 counties
• 
  Rorippa curvipes Greene var. truncata (Jeps.) Rollins Native ROCUT

  bluntleaf yellowcress · Brassicaceae 12 counties
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton Native ROCU

  curvepod yellowcress · Brassicaceae 47 counties
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton var. curvisiliqua Native ROCUC2

  curvepod yellowcress · Brassicaceae 3 counties
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton var. occidentalis (Greene) R. Stuckey Native ROCUO

  western yellowcress · Brassicaceae 1 county
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton var. orientalis R. Stuckey Native ROCUO2

  Oriental yellowcress · Brassicaceae 2 counties
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton var. spatulata R. Stuckey Native ROCUS

  curvepod yellowcress · Brassicaceae 1 county
• ⚘
  Rorippa intermedia (Kuntze) R. Stuckey Native ROIN2

  intermediate yellowcress · Brassicaceae 1 county
• 
  Rorippa palustris (L.) Besser Native ROPA2

  bog yellowcress · Brassicaceae 34 counties
• 
  Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell Native ROPAF2

  Fernald's yellowcress · Brassicaceae 4 counties
• 
  Rorippa palustris (L.) Besser ssp. hispida (Desv.) Jonsell Native ROPAH

  hispid yellowcress · Brassicaceae 5 counties
• 
  Rorippa palustris (L.) Besser ssp. occidentalis (S. Watson) Abrams Native ROPAO

  western bog yellowcress · Brassicaceae 21 counties
• 
  Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae 8 counties
• 
  Rorippa sphaerocarpa (A. Gray) Britton Native ROSP4

  roundfruit yellowcress · Brassicaceae 2 counties
• 
  Rorippa subumbellata Rollins Native ROSU2

  Lake Tahoe yellowcress · Brassicaceae 3 counties
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 3 counties
• 
  Rorippa tenerrima Greene Native ROTE

  Modoc yellowcress · Brassicaceae 5 counties
• 
  Rosa bridgesii Crép. Native ROBR3

  pygmy rose · Rosaceae 12 counties
• 
  Rosa californica Cham. & Schltdl. Native ROCA2

  California wildrose · Rosaceae 45 counties
• 
  Rosa canina L. Introduced ROCA3

  dog rose · Rosaceae 5 counties
• 
  Rosa gymnocarpa Nutt. Native ROGY

  dwarf rose · Rosaceae 33 counties
• 
  Rosa gymnocarpa Nutt. var. gymnocarpa Native ROGYG

  dwarf rose · Rosaceae 33 counties
• 
  Rosa gymnocarpa Nutt. var. serpentina Ertter & W.H.Lewis Native ROGYS

  Gasquet rose · Rosaceae 3 counties
• 
  Rosa minutifolia Engelm. Native ROMI80

  Baja rose · Rosaceae 1 county
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 5 counties
• 
  Rosa nutkana C. Presl Native RONU

  Nootka rose · Rosaceae 6 counties
• 
  Rosa pinetorum A. Heller, nom. inq. Native ROPI

  pine rose · Rosaceae 4 counties
• 
  Rosa pisocarpa A. Gray Native ROPI2

  cluster rose · Rosaceae 14 counties
• 
  Rosa pisocarpa A. Gray ssp. ahartii Ertter & W.H. Lewis Native ROPIA

  Ahart's cluster rose · Rosaceae 9 counties
• 
  Rosa pisocarpa A. Gray ssp. pisocarpa Native ROPIP

  cluster rose · Rosaceae 13 counties
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae 14 counties
• 
  Rosa sicula Tratt. Introduced ROSI5

  Mediterranean rose · Rosaceae 1 county
• 
  Rosa spithamea S. Watson Native ROSP3

  ground rose · Rosaceae 19 counties
• 
  Rosa spithamea S. Watson var. sonomensis (Greene) Jeps. Native ROSPS

  Sonoma ground rose · Rosaceae 9 counties
• 
  Rosa spithamea S. Watson var. spithamea Native ROSPS2

  ground rose · Rosaceae 10 counties
• 
  Rosa woodsii Lindl. Native ROWO

  Woods' rose · Rosaceae 24 counties
• 
  Rosa woodsii Lindl. var. glabrata (Parish) Cole Native ROWOG

  Woods' rose · Rosaceae 1 county
• 
  Rosa woodsii Lindl. var. gratissima (Greene) Cole Native ROWOG2

  Tehachapi rose · Rosaceae 1 county
• 
  Rosa woodsii Lindl. var. ultramontana (S. Watson) Jeps. Native ROWOU

  Woods' rose · Rosaceae 24 counties
• 
  Rosmarinus officinalis L. Introduced ROOF

  rosemary · Lamiaceae 2 counties
• 
  Rostraria cristata (L.) Tzvelev Introduced ROCR3

  Mediterranean hairgrass · Poaceae 22 counties
• 
  Rotala indica (Willd.) Koehne Introduced ROIN3

  Indian toothcup · Lythraceae 1 county