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 7,251–7,300 of 9,954.

• 
  Penstemon pseudospectabilis M.E. Jones ssp. pseudospectabilis Native PEPSP

  desert beardtongue · Scrophulariaceae 3 counties
• 
  Penstemon purpusii Brandegee Native PEPU4

  Snow Mountain beardtongue · Scrophulariaceae 8 counties
• 
  Penstemon rattanii A. Gray Native PERA3

  Rattan's beardtongue · Scrophulariaceae 6 counties
• 
  Penstemon rattanii A. Gray ssp. kleei (Greene) D.D. Keck Native PERAK

  Santa Cruz Mountains beardtongue · Scrophulariaceae 2 counties
• 
  Penstemon rattanii A. Gray ssp. rattanii Native PERAR2

  Rattan's beardtongue · Scrophulariaceae 3 counties
• 
  Penstemon roezlii Regel Native PERO12

  Roezl's penstemon · Scrophulariaceae 20 counties
• 
  Penstemon rostriflorus Kellogg Native PERO10

  Bridge penstemon · Scrophulariaceae 14 counties
• 
  Penstemon rupicola (Piper) Howell Native PERU

  cliff beardtongue · Scrophulariaceae 5 counties
• 
  Penstemon rydbergii A. Nelson Native PERY

  Rydberg's penstemon · Scrophulariaceae 23 counties
• 
  Penstemon rydbergii A. Nelson var. oreocharis (Greene) N.H. Holmgren Native PERYO

  herbaceous penstemon · Scrophulariaceae 23 counties
• 
  Penstemon rydbergii A. Nelson var. rydbergii Native PERYR

  swollen penstemon · Scrophulariaceae 1 county
• 
  Penstemon scapoides D.D. Keck Native PESC2

  pinyon beardtongue · Scrophulariaceae 1 county
• 
  Penstemon seorsus (A. Nelson) D.D. Keck Native PESE12

  shortlobe penstemon · Scrophulariaceae 1 county
• 
  Penstemon speciosus Douglas ex Lindl. Native PESP

  royal penstemon · Scrophulariaceae 24 counties
• 
  Penstemon spectabilis Thurb. ex A. Gray Native PESP3

  showy penstemon · Scrophulariaceae 6 counties
• 
  Penstemon spectabilis Thurb. ex A. Gray ssp. spectabilis Native PESPS2

  showy penstemon · Scrophulariaceae 4 counties
• 
  Penstemon spectabilis Thurb. ex A. Gray ssp. subviscosus D.D. Keck Native PESPS

  showy penstemon · Scrophulariaceae 4 counties
• 
  Penstemon stephensii Brandegee Native PEST

  Stephens' penstemon · Scrophulariaceae 3 counties
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  Penstemon strictus Benth. Native PEST2

  Rocky Mountain penstemon · Scrophulariaceae 1 county
• 
  Penstemon subglaber Rydb. Native PESU2

  smooth penstemon · Scrophulariaceae 1 county
• 
  Penstemon sudans M.E. Jones Native PESU10

  Susanville beardtongue · Scrophulariaceae 1 county
• 
  Penstemon thompsoniae (A. Gray) Rydb. Native PETH2

  Thompson's beardtongue · Scrophulariaceae 1 county
• 
  Penstemon thompsoniae (A. Gray) Rydb. ssp. thompsoniae Native PETHT2

  Thompson's beardtongue · Scrophulariaceae 1 county
• 
  Penstemon thurberi Torr. Native PETH3

  Thurber's penstemon · Scrophulariaceae 4 counties
• 
  Penstemon tracyi D.D. Keck Native PETR

  Trinity penstemon · Scrophulariaceae 1 county
• 
  Penstemon utahensis Eastw. Native PEUT

  Utah penstemon · Scrophulariaceae 2 counties
• 
  Penstemon venustus Douglas ex Lindl. Native PEVE2

  Venus penstemon · Scrophulariaceae 1 county
• ⚘
  Penstemon ×parishii A. Gray (pro sp.) [centranthifolius × spectabilis] Native PEPA10

  beardtongue · Scrophulariaceae 5 counties
• 
  Pentachaeta alsinoides Greene Native PEAL19

  tiny pygmydaisy · Asteraceae 20 counties
• 
  Pentachaeta aurea Nutt. Native PEAU3

  golden chaetopappa · Asteraceae 5 counties
• 
  Pentachaeta aurea Nutt. ssp. allenii D.J. Keil Native PEAUA

  Allen's pentachaeta · Asteraceae 1 county
• 
  Pentachaeta aurea Nutt. ssp. aurea Native PEAUA3

  golden chaetopappa · Asteraceae 5 counties
• 
  Pentachaeta bellidiflora Greene Native PEBE

  whiteray pygmydaisy · Asteraceae 3 counties
• 
  Pentachaeta exilis (A. Gray) A. Gray Native PEEX4

  meager pygmydaisy · Asteraceae 22 counties
• 
  Pentachaeta exilis (A. Gray) A. Gray ssp. aeolica Van Horn & Ornduff Native PEEXA

  meager pygmydaisy · Asteraceae 2 counties
• 
  Pentachaeta exilis (A. Gray) A. Gray ssp. exilis Native PEEXE

  meager pygmydaisy · Asteraceae 20 counties
• 
  Pentachaeta fragilis Brandegee Native PEFR6

  fragile pygmydaisy · Asteraceae 6 counties
• 
  Pentachaeta lyonii A. Gray Native PELY4

  Lyon's pygmydaisy · Asteraceae 2 counties
• 
  Pentaglottis sempervirens (L.) Tausch ex L.H. Bailey Introduced PESE10

  evergreen bugloss · Boraginaceae 1 county
• 
  Pentagramma pallida (Weath.) Yatsk., Windham & E. Wollenw. Native PEPA40

  pale silverback fern · Pteridaceae 17 counties
• 
  Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. Native PETR7

  goldback fern · Pteridaceae 46 counties
• 
  Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. ssp. maxonii (Weath.) Yatsk., Windham & E. Wollenw. Native PETRM

  Maxon's goldback fern · Pteridaceae 4 counties
• 
  Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. ssp. triangularis Native PETRT

  goldback fern · Pteridaceae 42 counties
• 
  Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. ssp. viscosa (D.C. Eaton) Yatsk., Windham & E. Wollenw. Native PETRV

  silverback fern · Pteridaceae 5 counties
• 
  Peraphyllum ramosissimum Nutt. Native PERA4

  wild crab apple · Rosaceae 5 counties
• ⚘
  Pericallis hybrida B. Nord. Introduced PEHY13

  common ragwort · Asteraceae 2 counties
• 
  Pericome caudata A. Gray Native PECA10

  mountain tail-leaf · Asteraceae 3 counties
• 
  Perideridia bacigalupii T.I. Chuang & Constance Native PEBA5

  Mother Lode yampah · Apiaceae 9 counties
• 
  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. Native PEBO2

  Bolander's yampah · Apiaceae 23 counties
• 
  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. ssp. bolanderi Native PEBOB

  Bolander's yampah · Apiaceae 19 counties