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 6,301–6,350 of 8,499 (native).

• 
  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
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  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
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  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
• 
  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
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  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. Native PEBO2

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

  Bolander's yampah · Apiaceae 19 counties
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  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. ssp. involucrata T.I. Chuang & Constance Native PEBOI

  Bolander's yampah · Apiaceae 6 counties
• 
  Perideridia californica (Torr.) A. Nelson & J.F. Macbr. Native PECA14

  California yampah · Apiaceae 10 counties
• 
  Perideridia gairdneri (Hook. & Arn.) Mathias Native PEGA3

  Gardner's yampah · Apiaceae 27 counties
• 
  Perideridia gairdneri (Hook. & Arn.) Mathias ssp. borealis T.I. Chuang & Constance Native PEGAB

  common yampah · Apiaceae 7 counties
• 
  Perideridia gairdneri (Hook. & Arn.) Mathias ssp. gairdneri Native PEGAG

  Gairdner's yampah · Apiaceae 18 counties
• 
  Perideridia howellii (J.M. Coult. & Rose) Mathias Native PEHO5

  Howell's yampah · Apiaceae 12 counties
• 
  Perideridia kelloggii (A. Gray) Mathias Native PEKE

  Kellogg's yampah · Apiaceae 31 counties
• 
  Perideridia lemmonii (J.M. Coult. & Rose) T.I. Chuang & Constance Native PELE5

  Lemmon's yampah · Apiaceae 19 counties
• ⚘
  Perideridia leptocarpa T.I. Chuang & Constance Native PELE6

  narrowseed yampah · Apiaceae 1 county
• 
  Perideridia oregana (S. Watson) Mathias Native PEOR6

  Oregon yampah · Apiaceae 20 counties
• 
  Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. Native PEPA21

  Parish's yampah · Apiaceae 27 counties
• 
  Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. ssp. latifolia (A. Gray) T.I. Chuang & Constance Native PEPAL

  Parish's yampah · Apiaceae 27 counties
• 
  Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. ssp. parishii Native PEPAP2

  Parish's yampah · Apiaceae 1 county
• 
  Perideridia pringlei (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. Native PEPR5

  adobe yampah · Apiaceae 7 counties
• 
  Perityle emoryi Torr. Native PEEM

  Emory's rockdaisy · Asteraceae 9 counties
• 
  Perityle intricata (Brandegee) Shinners Native PEIN12

  narrowleaf laphamia · Asteraceae 2 counties
• 
  Perityle inyoensis (Ferris) A. Powell Native PEIN8

  Inyo rockdaisy · Asteraceae 1 county
• 
  Perityle megalocephala (S. Watson) J.F. Macbr. Native PEME6

  Nevada rockdaisy · Asteraceae 3 counties
• 
  Perityle megalocephala (S. Watson) J.F. Macbr. var. megalocephala Native PEMEM

  Nevada rockdaisy · Asteraceae 2 counties
• 
  Perityle megalocephala (S. Watson) J.F. Macbr. var. oligophylla A. Powell Native PEMEO

  small-leaved rockdaisy · Asteraceae 2 counties
• 
  Perityle villosa (S.F. Blake) Shinners Native PEVI9

  Hanaupah rockdaisy · Asteraceae 1 county
• 
  Petalonyx linearis Greene Native PELI5

  narrowleaf sandpaper plant · Loasaceae 3 counties
• 
  Petalonyx nitidus S. Watson Native PENI

  shinyleaf sandpaper plant · Loasaceae 2 counties
• 
  Petalonyx thurberi A. Gray Native PETH4

  Thurber's sandpaper plant · Loasaceae 8 counties
• 
  Petalonyx thurberi A. Gray ssp. gilmanii (Munz) Davis & H.J. Thomp. Native PETHG

  Death Valley sandpaper plant · Loasaceae 1 county
• 
  Petalonyx thurberi A. Gray ssp. thurberi Native PETHT

  Thurber's sandpaper plant · Loasaceae 8 counties
• 
  Petasites frigidus (L.) Fr. Native PEFR5

  arctic sweet coltsfoot · Asteraceae 13 counties
• 
  Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist Native PEFRP

  arctic sweet coltsfoot · Asteraceae 13 counties
• 
  Peteria thompsoniae S. Watson Native PETH5

  Thompson's peteria · Fabaceae 1 county
• 
  Petradoria pumila (Nutt.) Greene Native PEPU7

  rock goldenrod · Asteraceae 2 counties
• 
  Petradoria pumila (Nutt.) Greene ssp. pumila Native PEPUP

  rock goldenrod · Asteraceae 2 counties
• ⚘
  Petrophytum acuminatum Rydb. Native PEAC4

  big arroyo rockmat · Rosaceae 3 counties
• 
  Petrophytum caespitosum (Nutt.) Rydb. Native PECA12

  mat rockspirea · Rosaceae 4 counties
• 
  Petrophytum caespitosum (Nutt.) Rydb. var. caespitosum Native PECAC2

  mat rockspirea · Rosaceae 4 counties
• 
  Peucephyllum schottii A. Gray Native PESC4

  Schott's pygmycedar · Asteraceae 6 counties
• 
  Phacelia adenophora J.T. Howell Native PHAD

  glandular yellow phacelia · Hydrophyllaceae 3 counties
• 
  Phacelia affinis A. Gray Native PHAF

  limestone phacelia · Hydrophyllaceae 8 counties
• ⚘
  Phacelia amabilis Constance Native PHAM

  Saline Valley phacelia · Hydrophyllaceae 1 county
• 
  Phacelia anelsonii J.F. Macbr. Native PHAN

  Aven Nelson's phacelia · Hydrophyllaceae 2 counties
• 
  Phacelia argentea A. Nelson & J.F. Macbr. Native PHAR

  sanddune phacelia · Hydrophyllaceae 1 county