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Ferns and Horsetails of San Mateo County

western sword fern 1
Polystichum munitum
California shield fern 2
Polystichum californicum
Dudley's shield fern 2
Polystichum dudleyi
Narrowleaf Swordfern 3
Polystichum imbricans imbricans
coastal woodfern 4
Dryopteris arguta
spreading wood fern 5
Dryopteris expansa

Edited by Donna Pomeroy, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
  • 2. (c) John Game, some rights reserved (CC BY-NC-SA)
  • 3. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
  • 4. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
  • 5. (c) Joshua Tewksbury, some rights reserved (CC BY-NC-SA), uploaded by Joshua Tewksbury

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