Ferns and Horsetails of San Mateo County

western sword fern
Polystichum munitum 1
California shield fern
Polystichum californicum 2
Dudley's shield fern
Polystichum dudleyi 2
Narrowleaf Swordfern
Polystichum imbricans imbricans 3
giant chain fern
Woodwardia fimbriata 4
Hard Fern
Blechnum spicant 5
common bracken
Pteridium aquilinum 4
coastal woodfern
Dryopteris arguta 6
spreading wood fern
Dryopteris expansa 7
brittle bladderfern
Cystopteris fragilis 8
Western Ladyfern
Athyrium filix-femina cyclosorum 9
California Polypody
Polypodium californicum 4
Nested Polypody
Polypodium calirhiza 10
licorice fern
Polypodium glycyrrhiza 11
leathery polypody
Polypodium scouleri 12
goldback fern
Pentagramma triangularis 4
California Maidenhair Fern
Adiantum jordanii 4
western maidenhair fern
Adiantum aleuticum 4
Coastal Lip Fern
Myriopteris intertexta 13
bird's foot cliffbrake
Pellaea mucronata 14
Coffee Fern
Pellaea andromedifolia 4
Clover Fern
Marsilea vestita vestita 8
Giant Horsetail
Equisetum telmateia braunii 15
marsh horsetail
Equisetum palustre 16
field horsetail
Equisetum arvense 17
smooth horsetail
Equisetum laevigatum 18
western scouringrush
Equisetum hyemale affine 19
Photos:
  • 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) Donna Pomeroy, all rights reserved, uploaded by Donna Pomeroy
  • 5. (c) Nick Turland, some rights reserved (CC BY-NC-ND)
  • 6. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
  • 7. (c) Joshua Tewksbury, some rights reserved (CC BY-NC-SA), uploaded by Joshua Tewksbury
  • 8. (c) Jason Hollinger, some rights reserved (CC BY)
  • 9. (c) Homer Edward Price, some rights reserved (CC BY)
  • 10. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
  • 11. (c) J Brew, some rights reserved (CC BY-NC-SA), uploaded by J Brew
  • 12. no rights reserved
  • 13. (c) Ken-ichi Ueda, some rights reserved (CC BY)
  • 14. (c) Derrick Coetzee, some rights reserved (CC BY)
  • 15. (c) randomtruth, some rights reserved (CC BY-NC-SA)
  • 16. (c) Nuuuuuuuuuuul, some rights reserved (CC BY)
  • 17. (c) Frank Mayfield, some rights reserved (CC BY-SA)
  • 18. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 19. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)

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

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