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 4,201–4,250 of 9,954.

• 
  Fimbristylis autumnalis (L.) Roem. & Schult. Native FIAU2

  slender fimbry · Cyperaceae 1 county
• 
  Fimbristylis littoralis Gaudich. Introduced FILI3

  fimbry · Cyperaceae 1 county
• 
  Fimbristylis thermalis S. Watson Native FITH

  hot springs fimbry · Cyperaceae 4 counties
• 
  Fimbristylis vahlii (Lam.) Link Native FIVA

  Vahl's fimbry · Cyperaceae 8 counties
• 
  Flaveria trinervia (Spreng.) C. Mohr Native FLTR

  clustered yellowtops · Asteraceae 2 counties
• 
  Floerkea proserpinacoides Willd. Native FLPR

  false mermaidweed · Limnanthaceae 15 counties
• 
  Foeniculum vulgare Mill. Introduced FOVU

  sweet fennel · Apiaceae 32 counties
• 
  Forestiera pubescens Nutt. Native FOPU2

  stretchberry · Oleaceae 15 counties
• 
  Forestiera pubescens Nutt. var. pubescens Native FOPUP

  stretchberry · Oleaceae 15 counties
• 
  Fouquieria splendens Engelm. Native FOSP2

  ocotillo · Fouquieriaceae 4 counties
• 
  Fragaria chiloensis (L.) Mill. Both FRCH

  beach strawberry · Rosaceae 10 counties
• 
  Fragaria chiloensis (L.) Mill. ssp. lucida (Vilm.) Staudt Introduced FRCHL

  beach strawberry · Rosaceae 1 county
• 
  Fragaria vesca L. Native FRVE

  woodland strawberry · Rosaceae 31 counties
• 
  Fragaria vesca L. ssp. bracteata (A. Heller) Staudt Native FRVEB2

  woodland strawberry · Rosaceae 2 counties
• 
  Fragaria vesca L. ssp. californica (Cham. & Schltdl.) Staudt Native FRVEC2

  California strawberry · Rosaceae 13 counties
• 
  Fragaria virginiana Duchesne Native FRVI

  Virginia strawberry · Rosaceae 19 counties
• 
  Fragaria virginiana Duchesne ssp. platypetala (Rydb.) Staudt Native FRVIP2

  Virginia strawberry · Rosaceae 19 counties
• ⚘
  Fragaria ×bringhurstii Staudt [chiloensis × vesca] Native FRBR5

  strawberry · Rosaceae 1 county
• 
  Frangula californica (Eschsch.) A. Gray Native FRCA12

  California buckthorn · Rhamnaceae 53 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. californica Native FRCAC5

  California buckthorn · Rhamnaceae 48 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. crassifolia (Jeps.) Kartesz & Gandhi Native FRCAC6

  California buckthorn · Rhamnaceae 10 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. cuspidata (Greene) Kartesz & Gandhi Native FRCAC7

  California buckthorn · Rhamnaceae 11 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. occidentalis (Howell) Kartesz & Gandhi Native FRCAO4

  California buckthorn · Rhamnaceae 7 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. tomentella (Benth.) Kartesz & Gandhi Native FRCAT2

  California buckthorn · Rhamnaceae 47 counties
• 
  Frangula californica (Eschsch.) A. Gray ssp. ursina (Greene) Kartesz & Gandhi Native FRCAU

  California buckthorn · Rhamnaceae 1 county
• 
  Frangula purshiana (DC.) A. Gray Native FRPU7

  Cascara buckthorn · Rhamnaceae 17 counties
• 
  Frangula purshiana (DC.) A. Gray ssp. annonifolia (Greene) Sawyer & S.W. Edwards Native FRPUA

  Cascara annona-leaved buckthorn · Rhamnaceae 1 county
• 
  Frangula purshiana (DC.) A. Gray ssp. purshiana Native FRPUP

  Cascara buckthorn · Rhamnaceae 17 counties
• 
  Frangula purshiana (DC.) A. Gray ssp. ultramafica Sawyer & S.W. Edwards Native FRPUU

  Cascara serpentine buckthorn · Rhamnaceae 1 county
• 
  Frangula rubra (Greene) V. Grub. Native FRRU

  red buckthorn · Rhamnaceae 28 counties
• 
  Frangula rubra (Greene) V. Grub. ssp. modocensis (C.B. Wolf) Kartesz & Gandhi Native FRRUM

  Modoc buckthorn · Rhamnaceae 4 counties
• 
  Frangula rubra (Greene) V. Grub. ssp. obtusissima (Greene) Kartesz & Gandhi Native FRRUO

  obtuse buckthorn · Rhamnaceae 13 counties
• 
  Frangula rubra (Greene) V. Grub. ssp. rubra Native FRRUR

  red buckthorn · Rhamnaceae 21 counties
• 
  Frangula rubra (Greene) V. Grub. ssp. yosemitana (C.B. Wolf) Kartesz & Gandhi Native FRRUY

  Yosemite buckthorn · Rhamnaceae 5 counties
• 
  Frankenia palmeri S. Watson Native FRPA

  Palmer's seaheath · Frankeniaceae 1 county
• 
  Frankenia salina (Molina) I.M. Johnst. Native FRSA

  alkali seaheath · Frankeniaceae 33 counties
• 
  Frasera albicaulis Douglas ex Griseb. Native FRAL2

  whitestem frasera · Gentianaceae 17 counties
• 
  Frasera albicaulis Douglas ex Griseb. var. cusickii (A. Gray) C.L. Hitchc. Native FRALC2

  Cusick's frasera · Gentianaceae 1 county
• 
  Frasera albicaulis Douglas ex Griseb. var. modocensis (H. St. John) N.H. Holmgren Native FRALM

  Modoc frasera · Gentianaceae 1 county
• 
  Frasera albicaulis Douglas ex Griseb. var. nitida (Benth.) C.L. Hitchc. Native FRALN

  whitestem frasera · Gentianaceae 17 counties
• 
  Frasera albomarginata S. Watson Native FRAL5

  desert frasera · Gentianaceae 2 counties
• 
  Frasera fastigiata (Pursh) A. Heller Native FRFA

  clustered green gentian · Gentianaceae 1 county
• 
  Frasera neglecta H.M. Hall Native FRNE

  pine green gentian · Gentianaceae 4 counties
• 
  Frasera parryi Torr. Native FRPA3

  Coahuila frasera · Gentianaceae 4 counties
• 
  Frasera puberulenta Davidson Native FRPU

  Inyo frasera · Gentianaceae 2 counties
• 
  Frasera speciosa Douglas ex Griseb. Native FRSP

  elkweed · Gentianaceae 17 counties
• 
  Frasera tubulosa Coville Native FRTU

  Kern frasera · Gentianaceae 3 counties
• 
  Fraxinus anomala Torr. ex S. Watson Native FRAN2

  singleleaf ash · Oleaceae 2 counties
• 
  Fraxinus anomala Torr. ex S. Watson var. anomala Native FRANA

  singleleaf ash · Oleaceae 2 counties
• 
  Fraxinus dipetala Hook. & Arn. Native FRDI2

  California ash · Oleaceae 38 counties