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 7,551–7,600 of 9,954.

• 
  Phragmites australis (Cav.) Trin. ex Steud. ssp. australis Introduced PHAUA7

  European common reed · Poaceae 3 counties
• 
  Phragmites australis (Cav.) Trin. ex Steud. ssp. berlandieri (E. Fourn.) Saltonst. & Hauber Native PHAUB2

  subtropical common reed · Poaceae 4 counties
• 
  Phryma leptostachya L. Native PHLE5

  American lopseed · Verbenaceae 1 county
• 
  Phyla canescens (Kunth) Greene Native PHCA49

  hairy fogfruit · Verbenaceae 1 county
• 
  Phyla lanceolata (Michx.) Greene Native PHLA3

  lanceleaf fogfruit · Verbenaceae 14 counties
• 
  Phyla nodiflora (L.) Greene Native PHNO2

  turkey tangle fogfruit · Verbenaceae 34 counties
• 
  Phyllodoce breweri (A. Gray) A. Heller Native PHBR4

  purple mountainheath · Ericaceae 20 counties
• 
  Phyllodoce empetriformis (Sm.) D. Don Native PHEM

  pink mountainheath · Ericaceae 4 counties
• 
  Phyllospadix scouleri Hook. Native PHSC2

  Scouler's surfgrass · Zosteraceae 11 counties
• 
  Phyllospadix torreyi S. Watson Native PHTO

  Torrey's surfgrass · Zosteraceae 12 counties
• 
  Phyllostachys aurea Carrière ex A. Rivière & C. Rivière Introduced PHAU8

  golden bamboo · Poaceae 3 counties
• 
  Phyllostachys bambusoides Siebold & Zucc. Introduced PHBA80

  Japanese timber bamboo · Poaceae 1 county
• 
  Physalis acutifolia (Miers) Sandw. Native PHAC6

  sharpleaf groundcherry · Solanaceae 7 counties
• 
  Physalis angulata L. Native PHAN5

  cutleaf groundcherry · Solanaceae 20 counties
• 
  Physalis cinerascens (Dunal) Hitchc. Native PHCI4

  smallflower groundcherry · Solanaceae 1 county
• 
  Physalis cinerascens (Dunal) Hitchc. var. cinerascens Native PHCIC3

  smallflower groundcherry · Solanaceae 1 county
• 
  Physalis crassifolia Benth. Native PHCR4

  yellow nightshade groundcherry · Solanaceae 6 counties
• 
  Physalis crassifolia Benth. var. crassifolia Native PHCRC4

  yellow nightshade groundcherry · Solanaceae 6 counties
• 
  Physalis grisea (Waterf.) M. Martínez Native PHGR22

  strawberry-tomato · Solanaceae 4 counties
• 
  Physalis hederifolia A. Gray Native PHHE4

  ivyleaf groundcherry · Solanaceae 4 counties
• 
  Physalis hederifolia A. Gray var. fendleri (A. Gray) Cronquist Native PHHEF

  Fendler's groundcherry · Solanaceae 3 counties
• 
  Physalis hederifolia A. Gray var. hederifolia Native PHHEH2

  ivyleaf groundcherry · Solanaceae 1 county
• 
  Physalis hederifolia A. Gray var. palmeri (A. Gray) Cronquist Native PHHEP2

  Palmer's groundcherry · Solanaceae 3 counties
• 
  Physalis longifolia Nutt. Native PHLO4

  longleaf groundcherry · Solanaceae 2 counties
• 
  Physalis longifolia Nutt. var. longifolia Native PHLOL3

  longleaf groundcherry · Solanaceae 2 counties
• 
  Physalis mollis Nutt. Native PHMO9

  field groundcherry · Solanaceae 1 county
• 
  Physalis mollis Nutt. var. mollis Native PHMOM2

  field groundcherry · Solanaceae 1 county
• 
  Physalis philadelphica Lam. Introduced PHPH2

  Mexican groundcherry · Solanaceae 20 counties
• 
  Physalis philadelphica Lam. var. immaculata Waterf. Introduced PHPHI

  Mexican groundcherry · Solanaceae 20 counties
• 
  Physalis pubescens L. Native PHPU7

  husk tomato · Solanaceae 9 counties
• 
  Physalis pubescens L. var. integrifolia (Dunal) Waterf. Native PHPUI

  husk tomato · Solanaceae 9 counties
• 
  Physaria chambersii Rollins Native PHCH2

  Chambers' twinpod · Brassicaceae 2 counties
• 
  Physocarpus alternans (M.E. Jones) J.T. Howell Native PHAL7

  dwarf ninebark · Rosaceae 2 counties
• 
  Physocarpus alternans (M.E. Jones) J.T. Howell ssp. alternans Native PHALA6

  dwarf ninebark · Rosaceae 1 county
• 
  Physocarpus alternans (M.E. Jones) J.T. Howell ssp. annulatus J.T. Howell Native PHALA7

  dwarf ninebark · Rosaceae 1 county
• 
  Physocarpus alternans (M.E. Jones) J.T. Howell ssp. panamintensis J.T. Howell Native PHALP

  dwarf ninebark · Rosaceae 1 county
• 
  Physocarpus capitatus (Pursh) Kuntze Native PHCA11

  Pacific ninebark · Rosaceae 31 counties
• 
  Phytolacca americana L. Native PHAM4

  American pokeweed · Phytolaccaceae 10 counties
• 
  Phytolacca americana L. var. americana Native PHAMA3

  American pokeweed · Phytolaccaceae 9 counties
• 
  Picea breweriana S. Watson Native PIBR

  Brewer spruce · Pinaceae 5 counties
• 
  Picea engelmannii Parry ex Engelm. Native PIEN

  Engelmann spruce · Pinaceae 3 counties
• 
  Picea engelmannii Parry ex Engelm. var. engelmannii Native PIENE

  Engelmann spruce · Pinaceae 3 counties
• 
  Picea sitchensis (Bong.) Carrière Native PISI

  Sitka spruce · Pinaceae 3 counties
• 
  Pickeringia montana Nutt. ex Torr. & A. Gray Native PIMO5

  chaparral pea · Fabaceae 28 counties
• 
  Pickeringia montana Nutt. ex Torr. & A. Gray var. montana Native PIMOM

  chaparral pea · Fabaceae 23 counties
• 
  Pickeringia montana Nutt. ex Torr. & A. Gray var. tomentosa (Abrams) I.M. Johnst. Native PIMOT2

  chaparral pea · Fabaceae 3 counties
• 
  Picris echioides L. Introduced PIEC

  bristly oxtongue · Asteraceae 27 counties
• 
  Picrothamnus desertorum Nutt. Native PIDE4

  bud sagebrush · Asteraceae 7 counties
• 
  Pilostyles thurberi A. Gray Native PITH

  Thurber's stemsucker · Rafflesiaceae 3 counties
• 
  Pilularia americana A. Braun Native PIAM

  American pillwort · Marsileaceae 37 counties