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 4,601–4,650 of 9,954.

• 
  Grindelia hirsutula Hook. & Arn. var. hirsutula Native GRHIH3

  hairy gumweed · Asteraceae 18 counties
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  Grindelia hirsutula Hook. & Arn. var. maritima (Greene) M.A. Lane Native GRHIM

  coastal gumweed · Asteraceae 6 counties
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  Grindelia nana Nutt. Native GRNA

  Idaho gumweed · Asteraceae 11 counties
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  Grindelia nana Nutt. var. nana Native GRNAN

  Idaho gumweed · Asteraceae 10 counties
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  Grindelia papposa G.L. Nesom & Suh Native GRPA8

  Spanish gold · Asteraceae 3 counties
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  Grindelia squarrosa (Pursh) Dunal Native GRSQ

  curlycup gumweed · Asteraceae 7 counties
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  Grindelia squarrosa (Pursh) Dunal var. serrulata (Rydb.) Steyerm. Native GRSQS

  curlycup gumweed · Asteraceae 7 counties
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  Grindelia stricta DC. Native GRST3

  Oregon gumweed · Asteraceae 16 counties
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  Grindelia stricta DC. var. angustifolia (A. Gray) M.A. Lane Native GRSTA2

  Oregon gumweed · Asteraceae 7 counties
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  Grindelia stricta DC. var. platyphylla (Greene) M.A. Lane Native GRSTP2

  Oregon gumweed · Asteraceae 13 counties
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  Grindelia stricta DC. var. stricta Native GRSTS2

  Oregon gumweed · Asteraceae 4 counties
• 
  Grusonia parishii (Orcutt) Pinkava Native GRPA11

  matted cholla · Cactaceae 2 counties
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  Grusonia pulchella (Engelm.) H. Rob. Native GRPU3

  sagebrush cholla · Cactaceae 2 counties
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  Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq. Native GUDE

  small matweed · Amaranthaceae 2 counties
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  Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq. var. aggregata Uline & Bray Native GUDEA

  small matweed · Amaranthaceae 2 counties
• 
  Guillenia flavescens (Hook.) Greene Native GUFL3

  yellow mustard · Brassicaceae 11 counties
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  Guillenia lasiophylla (Hook. & Arn.) Greene Native GULA4

  California mustard · Brassicaceae 36 counties
• 
  Guizotia abyssinica (L. f.) Cass. Introduced GUAB

  ramtilla · Asteraceae 4 counties
• 
  Gunnera tinctoria (Molina) Mirb. Introduced GUTI

  Chilean gunnera · Gunneraceae 1 county
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  Gutierrezia californica (DC.) Torr. & A. Gray Native GUCA

  San Joaquin snakeweed · Asteraceae 24 counties
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  Gutierrezia microcephala (DC.) A. Gray Native GUMI

  threadleaf snakeweed · Asteraceae 7 counties
• 
  Gutierrezia sarothrae (Pursh) Britton & Rusby Native GUSA2

  broom snakeweed · Asteraceae 10 counties
• 
  Gymnocarpium dryopteris (L.) Newman Native GYDR

  western oakfern · Dryopteridaceae 1 county
• 
  Gymnosteris parvula A. Heller Native GYPA2

  smallflower gymnosteris · Polemoniaceae 6 counties
• 
  Gypsophila elegans M. Bieb. Introduced GYEL

  showy baby's-breath · Caryophyllaceae 1 county
• 
  Gypsophila paniculata L. Introduced GYPA

  baby's breath · Caryophyllaceae 16 counties
• 
  Gypsophila scorzonerifolia Ser. Introduced GYSC

  garden baby's-breath · Caryophyllaceae 1 county
• 
  Hackelia amethystina J.T. Howell Native HAAM

  amethyst stickseed · Boraginaceae 7 counties
• 
  Hackelia bella (J.F. Macbr.) I.M. Johnst. Native HABE

  greater showy stickseed · Boraginaceae 5 counties
• 
  Hackelia brevicula (Jeps.) J.L. Gentry Native HABR4

  Poison Canyon stickseed · Boraginaceae 2 counties
• 
  Hackelia californica (A. Gray) I.M. Johnst. Native HACA

  California stickseed · Boraginaceae 13 counties
• 
  Hackelia cusickii (Piper) Brand Native HACU

  Cusick's stickseed · Boraginaceae 5 counties
• 
  Hackelia floribunda (Lehm.) I.M. Johnst. Native HAFL2

  manyflower stickseed · Boraginaceae 11 counties
• 
  Hackelia micrantha (Eastw.) J.L. Gentry Native HAMI

  Jessica sticktight · Boraginaceae 25 counties
• 
  Hackelia mundula (Jeps.) Ferris Native HAMU

  pink stickseed · Boraginaceae 9 counties
• 
  Hackelia nervosa (Kellogg) I.M. Johnst. Native HANE

  Sierra stickseed · Boraginaceae 15 counties
• 
  Hackelia setosa (Piper) I.M. Johnst. Native HASE

  bristly stickseed · Boraginaceae 9 counties
• 
  Hackelia sharsmithii I.M. Johnst. Native HASH

  Sharsmith's stickseed · Boraginaceae 3 counties
• 
  Hackelia velutina (Piper) I.M. Johnst. Native HAVE

  velvet stickseed · Boraginaceae 12 counties
• 
  Hainardia cylindrica (Willd.) Greuter Introduced HACY

  barbgrass · Poaceae 23 counties
• 
  Halimium lasianthum (Lam.) Spach Introduced HALA9

  Lisbon false sun-rose · Cistaceae 1 county
• 
  Halimodendron halodendron (Pall.) Voss Introduced HAHA8

  common salttree · Fabaceae 4 counties
• 
  Halimolobos jaegeri (Munz) Rollins Native HAJA

  Mojave halimolobos · Brassicaceae 3 counties
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  Halimolobos virgata (Nutt.) O.E. Schulz Native HAVI3

  rod halimolobos · Brassicaceae 2 counties
• 
  Halodule wrightii Asch. Native HAWR

  shoalweed · Cymodoceaceae 4 counties
• 
  Halogeton glomeratus (M. Bieb.) C.A. Mey. Introduced HAGL

  saltlover · Chenopodiaceae 11 counties
• 
  Haloragis erecta (Murray) Eichler Introduced HAER2

  erect seaberry · Haloragaceae 1 county
• 
  Harmonia doris-nilesiae (T.W. Nelson & J.P. Nelson) B.G. Baldw. Native HADO2

  serpentine tarweed · Asteraceae 1 county
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  Harmonia guggolziorum B.G. Baldw. Native HAGU

  tarweed · Asteraceae 1 county
• 
  Harmonia hallii (D.D. Keck) B.G. Baldw. Native HAHA11

  Hall's madia · Asteraceae 4 counties